7 Best Subaru Legacy GT Control Arms: Restore Steering Precision

Mike
By Mike
Certified Professional Automotive Mechanic – Owner and Editor of VehicleRuns
Last Updated: August 10, 2026

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If your Subaru Legacy GT is showing uneven tire wear, vague steering, or clunks over bumps, the control arms are a likely place to inspect. Replacing worn or damaged control arms restores proper suspension geometry, improves handling, and reduces noise for safer, more predictable driving. This guide covers the top shortlisted control arms for the Legacy GT, focusing on fitment, bushing materials, and long-term durability so you can pick the right replacement for your driving style and mileage.Below you will find our top picks followed by practical buying criteria and installation considerations to help you decide which control arm is the best match for your Legacy GT.

Table of Contents

Top Picks at a Glance

TRQ Front Lower Control Arm with Ball Joint Set (2‑Piece)TRQ Front Lower Control Arm with Ball Joint Set (2‑Piece)
Best Quality
Built to a higher standard if you want something more solid
Dorman Front Passenger Lower Control Arm with Ball Joint Assembly (522-832)Dorman Front Passenger Lower Control Arm with Ball Joint Assembly (522-832)
Best Value
The sweet spot between price and what you get
Detroit Axle Front Lower Control Arm Pair with Ball Joints for 2010–2014 Legacy/OutbackDetroit Axle Front Lower Control Arm Pair with Ball Joints for 2010–2014 Legacy/Outback
Best Budget
The cheapest option that still gets the job done reliably
Detroit Axle Front Right Lower Control Arm Assembly (Passenger Side)Detroit Axle Front Right Lower Control Arm Assembly (Passenger Side)
Highest Rated
A top-rated pick with lots of positive feedback
Metrix Premium Chassis Parts Right Front Lower Control Arm with Ball Joint (Fits Subaru Legacy/Outback 2010–2014)Metrix Premium Chassis Parts Right Front Lower Control Arm with Ball Joint (Fits Subaru Legacy/Outback 2010–2014)
Most Popular
A crowd favorite that many people choose with confidence
Detroit Axle 14pc Front End Suspension Kit for 2005-2009 Subaru Outback/LegacyDetroit Axle 14pc Front End Suspension Kit for 2005-2009 Subaru Outback/Legacy
Best Seller
A high-volume bestseller chosen again and again
NewYall Front Lower Suspension Control Arm Kit with Ball JointsNewYall Front Lower Suspension Control Arm Kit with Ball Joints

1. TRQ Front Lower Control Arm with Ball Joint Set (2‑Piece)

TRQ Front Lower Control Arm with Ball Joint Set (2‑Piece)
Best Overall
A two-piece front lower control arm kit from TRQ that replaces both driver and passenger sides and includes preassembled ball joints for direct-fit installation on compatible Subaru models.
Fit TypeVehicle Specific Fit
Auto Part PositionFront Lower
MaterialAlloy Steel
Quantity2 Piece

This TRQ kit supplies both front lower control arms with integrated ball joints so you can replace the driver and passenger sides in one purchase. Designed as a vehicle-specific fit for mid-2000s Subaru Legacy and Outback models, the arms arrive preassembled to simplify DIY or shop installation and reduce time spent pressing and fitting separate ball joints. Constructed from alloy steel with a machined exterior, the parts aim to restore steering stability, reduce front-end play, and improve tire wear compared with worn factory arms. TRQ also provides installation videos and reference numbers to help confirm fitment. Expect straightforward fitment when matched to the listed model years, but note this is a direct-replacement aftermarket part rather than a factory-sourced assembly, so finish and long-term durability can vary with driving conditions and how the vehicle is used. Professional alignment after installation is recommended to ensure proper handling and even tire wear.

Best for: Buyers who want a balanced, practical replacement that restores front-end stability and tire wear without overpaying for OE parts, and who prefer a kit that simplifies a two-side repair.

Less Ideal for: Those looking for performance-tuned suspension components or owners who need parts for models outside the specified Subaru Legacy and Outback years should look elsewhere.

Pros:
  • Includes both left and right front lower control arms with integrated ball joints for a complete front-end replacement
  • Vehicle-specific direct-fit design reduces the need for modifications and speeds installation
  • Alloy steel construction with machined exterior for strength and consistent fit
  • Comes with extensive fitment references and installer support including step-by-step videos
Cons:
  • Aftermarket part rather than factory-manufactured, so long-term durability may differ from original equipment

Verdict: A convenient, vehicle-specific two-piece control arm kit that makes replacing both front lower arms and ball joints straightforward for mid-2000s Subaru Legacy and Outback owners.

2. Dorman Front Passenger Lower Control Arm with Ball Joint Assembly (522-832)

Dorman Front Passenger Lower Control Arm with Ball Joint Assembly (522-832)
Best Quality
A direct-fit front passenger lower control arm and preinstalled ball joint assembly designed as a replacement for select Subaru Legacy and Outback models from 2010–2014.
Fit TypeUniversal Fit
Auto Part PositionFront
MaterialAlloy Steel
OrientationPassenger Side
Model522-832

This Dorman assembly replaces the factory lower control arm and includes a preinstalled ball joint and bushings so installation is faster and requires less labor. It is meant for front passenger side service on compatible Subaru Legacy and Outback years and is typically used when a worn arm or failing ball joint causes looseness, uneven tire wear, or handling degradation. The part is alloy steel with a machined exterior and corrosion-resistant coatings that help it hold up in wet and salty climates. Because it arrives as a complete assembly, alignment and steering feel are restored quickly compared with swapping individual components. The product is a universal-fit aftermarket replacement built to match factory geometry, but buyers seeking high-performance upgrades should note this is a factory-replacement style arm rather than a stiffer adjustable or uprated performance arm; drivers looking to dial in suspension geometry or corner balancing will want an adjustable aftermarket unit instead. Fitment must be confirmed against the vehicle trim before purchase.

Best for: A buyer who wants a straightforward, factory-style replacement to restore steering precision and handling on a Subaru Legacy GT without spending on performance hardware.

Less Ideal for: Enthusiasts building a performance suspension or anyone needing adjustable camber/caster control should choose a dedicated aftermarket performance arm instead.

Pros:
  • Complete assembly with preinstalled ball joint and bushings for faster replacement and reduced labor time
  • Alloy steel construction with machined exterior and corrosion-resistant coating improves durability in harsh conditions
  • Engineered to restore original steering stability and predictable handling for worn front suspension components
Cons:
  • Not an adjustable or performance-tuned control arm, so it does not allow cornering geometry or camber adjustments

Verdict: Choose this Dorman assembled control arm when you need a durable, ready-to-install factory-replacement to quickly restore front-end stability on a 2010–2014 Subaru Legacy or Outback.

3. Detroit Axle Front Lower Control Arm Pair with Ball Joints for 2010–2014 Legacy/Outback

Detroit Axle Front Lower Control Arm Pair with Ball Joints for 2010–2014 Legacy/Outback
Best Value
A pair of vehicle-specific front lower control arms with integrated ball joints designed as a direct-fit replacement for 2010–2014 Subaru Legacy and Outback models.
Fit TypeVehicle Specific Fit
Auto Part PositionFront Lower
Material TypeAlloy Steel
Manufacturer Part NumberK623343_K623344
Warranty10-Year

These Detroit Axle front lower control arms replace both left and right assemblies and include integrated ball joints for a one-step suspension refresh on 2010–2014 Subaru Legacy and Outback models. Designed as direct-fit replacements, the arms bolt in to the existing mounting points so installation is straightforward for a DIYer with basic tools or a shop doing a straightforward swap. Constructed from alloy steel with a reinforced structure, the assemblies are described as corrosion resistant and built to withstand repeated impact loads, which should restore steering stability and help maintain proper wheel alignment. The kit covers both sides, which simplifies parts sourcing when you need matched components. Expect the part to perform like a factory-quality replacement, though buyers wanting performance upgrades or heavier-duty off-road use will need aftermarket performance arms instead. The included ball joints remove the need to press in new joints but will require alignment after installation.

Best for: Buyers who want a practical, cost-effective factory-style replacement to restore original handling and avoid sourcing individual parts, especially those who prefer a matched pair swap.

Less Ideal for: Drivers seeking performance-tuned suspension components or substantially heavier-duty arms for aggressive off-road use should consider dedicated performance upgrades instead.

Pros:
  • Vehicle-specific direct-fit design simplifies installation and fitment.
  • Includes both left and right control arms with integrated ball joints so components are matched.
  • Alloy steel construction and reinforced structure for corrosion resistance and durability.
  • Replaces worn arms to restore steering stability and alignment control.
Cons:
  • Not engineered as a performance or heavy-duty off-road upgrade; aimed at factory-quality replacement use only.

Verdict: A convenient matched pair of factory-quality front lower control arms with ball joints that makes restoring steering stability on 2010–2014 Legacy/Outback models quick and simple.

4. Detroit Axle Front Right Lower Control Arm Assembly (Passenger Side)

Detroit Axle Front Right Lower Control Arm Assembly (Passenger Side)
Best Budget
A direct-fit front right lower control arm assembly from Detroit Axle designed for 2005–2009 Subaru Legacy and Outback models.
Fit TypeVehicle Specific Fit
Auto Part PositionFront Right Lower
Auto Part OrientationPassenger Side
Manufacturer Part NumberK622030

This Detroit Axle front right lower control arm is a vehicle-specific replacement intended to restore proper suspension geometry and steering stability on 2005–2009 Subaru Legacy and Outback models. It arrives as a complete passenger-side lower control arm assembly that bolts in place for a straightforward swap, so shops and competent DIYers can complete installation without fabricating or reusing worn components. Made from a premium alloy with reinforced structure, the part is built to resist corrosion and repeated impact loads common with rough roads and spirited driving. Detroit Axle markets this as a factory-quality replacement that aims to match fit and function of the original, and the included 10-year warranty adds peace of mind. Expect improved front-end feel and reduced play compared with a worn arm, though long-term durability depends on road conditions and installation torque. This is a practical, budget-minded option for restoring handling without upgrading to heavy-duty aftermarket suspension components.

Best for: Buyers wanting an affordable, direct-fit replacement to restore factory handling on a 2005–2009 Subaru Legacy or Outback without extra fabrication or parts sourcing.

Less Ideal for: Drivers seeking heavy-duty or performance-tuned suspension components for competition or major lift/stance modifications should look at purpose-built aftermarket arms instead.

Pros:
  • Vehicle-specific direct-fit design simplifies installation and avoids modification
  • Premium alloy construction offers corrosion resistance and higher rigidity than basic stamped arms
  • Complete passenger-side assembly replaces worn parts in one unit
  • Reinforced structure designed to handle repeated impact loads
  • 10-year manufacturer warranty provides long-term support
Cons:
  • Not an upgraded performance or heavy-duty racing arm; intended as a factory-style replacement

Verdict: A budget-friendly, direct-fit passenger-side lower control arm that restores factory handling on 2005–2009 Subaru Legacy and Outback models.

5. Metrix Premium Chassis Parts Right Front Lower Control Arm with Ball Joint (Fits Subaru Legacy/Outback 2010–2014)

Metrix Premium Chassis Parts Right Front Lower Control Arm with Ball Joint (Fits Subaru Legacy/Outback 2010–2014)
Highest Rated
A vehicle-specific front right lower control arm and ball joint assembly designed as a factory-replacement fit for 2010–2014 Subaru Legacy and Outback models.
Fit TypeVehicle Specific Fit
Auto Part PositionFront Right Lower
Item Type NameControl Arm and Ball Joint Assembly
Manufacturer Warranty Description3 Year / 36,000 miles Limited Warranty
Material TypeSheet Metal

This Metrix control arm replaces the front right lower arm and includes an integrated ball joint and housing for a direct, vehicle-specific swap on 2010–2014 Subaru Legacy and Outback models. It arrives pre-greased and features a greasable design that simplifies routine maintenance and can extend service life. Made from stamped sheet metal and finished with corrosion-resistant coating, the arm is built to withstand road salt and typical commuting loads while maintaining steering stability and alignment geometry. Installation is straightforward for a professional or a competent DIYer but wheel alignment is still required after fitting. The unit is backed by quality certifications and a 3 year/36,000-mile limited warranty, which supports the product's reliability focus. Note that the part is a single-side replacement and uses a sheet-metal construction rather than a forged or billet design, so drivers seeking the absolute highest strength for aggressive performance driving may prefer heavier-duty aftermarket options.

Best for: Buyers who prioritize reliable, factory-quality replacements that restore steering and suspension behavior and want a low-maintenance part backed by a multi-year limited warranty.

Less Ideal for: Drivers building a high-power or off-road Subaru GT who need heavy-duty, performance-grade control arms engineered for extreme loads.

Pros:
  • Direct vehicle-specific fit for 2010–2014 Subaru Legacy and Outback for straightforward installation.
  • Pre-greased, greasable design that eases maintenance and can prolong component life.
  • Corrosion-resistant coating and manufacturing to industry standards aimed at reliable long-term performance.
  • Includes ball joint and housing so you replace both wear items at once, simplifying repair.
Cons:
  • Sheet-metal construction is durable for normal use but not as strong as forged or billet performance arms.

Verdict: A reliable, vehicle-specific front lower control arm with pre-greased ball joint that restores factory steering and suspension performance for 2010–2014 Subaru Legacy and Outback owners.

6. Detroit Axle 14pc Front End Suspension Kit for 2005-2009 Subaru Outback/Legacy

Detroit Axle 14pc Front End Suspension Kit for 2005-2009 Subaru Outback/Legacy
A complete 14-piece front suspension kit from Detroit Axle that replaces lower control arms, ball joints, sway bar end links, tie rod ends, and rack boots for 2005–2009 Subaru Outback and Legacy models.
ManufacturerDetroit Axle
Manufacturer Part Number14CS48108
PositionFront Lower
Date First AvailableMarch 17, 2023

This Detroit Axle 14-piece front end suspension kit is a full replacement package intended to restore steering and front suspension components on 2005–2009 Subaru Outback and Legacy. It includes two lower control arms with press-in lower ball joints, inner and outer tie rod ends, front and rear sway bar end links, and rack tie rod boots so you can replace most common wear items in one service. In practice the kit simplifies repairs for DIY mechanics or independent shops by grouping parts that normally fail together, and the included components are built to meet factory-style fit and basic durability testing. The practical benefits are quicker turnarounds, consistent fitment across the listed models, and a single source for matched front-end parts. Limitations are that this is a bolt-on aftermarket kit rather than an upgraded performance unit, so drivers seeking heavier-duty or performance geometry changes should look elsewhere, and proper alignment after installation is still required to avoid uneven tire wear.

Best for: Buyers who value social proof and prefer a risk-aware solution—those wanting a single, vetted kit to replace the typical front-end wear items on 2005–2009 Subaru Legacy/Outback with parts made to factory-style specifications.

Less Ideal for: Drivers seeking performance suspension upgrades, modified handling geometry, or heavy-duty components for off-road or track use should consider purpose-built alternatives.

Pros:
  • Comprehensive 14-piece kit replaces most common front suspension wear items in one purchase
  • Parts are produced in ISO-certified facilities and designed to match factory-style fitment
  • Saves time by avoiding multiple separate part orders and reducing vehicle downtime
  • Includes lower control arms with ball joints and both inner and outer tie rod ends for coordinated steering repairs
Cons:
  • Not a performance or heavy-duty upgrade; intended as factory-style replacement
  • Requires professional alignment after installation to ensure proper steering and tire wear

Verdict: Choose this kit if you want a single, factory-style replacement package that addresses most front-end wear items for 2005–2009 Subaru Legacy/Outback in one convenient purchase.

7. NewYall Front Lower Suspension Control Arm Kit with Ball Joints

NewYall Front Lower Suspension Control Arm Kit with Ball Joints
Best Seller
A pair of front lower suspension control arms with integrated ball joints designed as a vehicle-specific replacement for certain Subaru Impreza, Legacy, and Outback models.
Fit TypeVehicle Specific Fit
Auto Part PositionFront
Unit Count2 Count
Manufacturer Warranty Description1 year

These NewYall front lower control arms replace both left and right units and come with integrated ball joints for a straightforward front suspension repair. They are marketed as vehicle-specific fit parts for Subaru Impreza 2008-2011 and Legacy/Outback 2005-2009 with 2.5L or 3.0L engines, so installation is intended to match factory mounting points. In typical use they restore proper front wheel alignment geometry and steering feel after worn arms cause looseness or uneven tire wear. Notable features include the paired kit format so both sides are updated at once and the preinstalled ball joints to simplify installation versus sourcing separate components. Practical benefits are improved handling and a direct-replacement approach that keeps the suspension close to factory behavior. Limitations are that fitment is restricted to the specified models and engines only and buyers should verify engine and year before ordering; the listing does not detail materials or load ratings so those wanting heavy-duty or performance upgrades should consider reinforced aftermarket options.

Best for: Buyers looking for a direct, low-risk replacement to restore factory steering feel and alignment on the specified Subaru models who prefer replacing both sides together for consistent results.

Less Ideal for: Shoppers seeking heavy-duty, performance, or reinforced suspension upgrades should look at specialty control arms designed for increased strength or track use.

Pros:
  • Sold as a matched left and right kit to replace both front lower arms at once
  • Includes integrated ball joints, reducing the number of parts to source during replacement
  • Vehicle-specific design intended to align with factory mounting points for straightforward installation
  • Restores steering stability and can correct play that causes uneven tire wear
Cons:
  • Fitment limited to specified Subaru Impreza 2008-2011 and Legacy/Outback 2005-2009 with 2.5L or 3.0L engines
  • Manufacturer does not list material specifications or load ratings for the arms

Verdict: If you want a straightforward, factory-style replacement to restore front suspension geometry on the listed Subaru models, this paired control arm kit with preinstalled ball joints is a practical, low-risk choice.

Choosing the Right Subaru Legacy GT Control Arm: Key Factors to Consider

Fitment and Mounting Accuracy

Correct fitment is essential because control arms set critical suspension geometry. Even small deviations in mounting point location or bushing bore size can change camber and toe, leading to rapid tire wear and unpredictable handling. When shopping for a Legacy GT control arm, confirm bolt hole spacing, ball joint taper, and bracket orientation match the factory pattern.

A direct-fit arm reduces installation time and the chance of needing aftermarket adapters. If an arm is listed as adjustable, make sure the adjustment range and method are suitable for aligning the Legacy GT without introducing excess play. Proper fitment also limits the need for frame or subframe modifications during installation.

Bushing Material and Design

Bushing choice influences ride comfort, steering feedback, and durability. Rubber bushings typically deliver quieter operation and smoother ride quality but can degrade faster under heat, oil exposure, or heavy loads. Polyurethane bushings resist deformation and last longer, but they often transmit more vibration and road noise into the cabin.

Consider how you drive the Legacy GT: daily commuting favors softer bushings for comfort, while spirited driving or high-mileage use may justify firmer materials for better control. Also check whether bushings are serviceable or pressed-in; replaceable designs make future maintenance easier and cheaper.

Ball Joint Quality and Integration

Many control arms include a ball joint that connects to the steering knuckle. The ball joint must withstand steering loads, impacts, and suspension articulation without developing play. Look for ball joints with robust seals, high-quality bearing materials, and adequate grease capacity. Pre-assembled ball joints reduce installation steps and ensure the joint is correctly sized for the hub taper.

A worn or low-quality ball joint can produce clunks, uneven tire wear, and compromised steering control. For the Legacy GT, choose a control arm where the ball joint specification matches factory taper and load expectations to avoid premature failure.

Corrosion Protection and Coating

Subaru vehicles often see varied climates, and corrosion can shorten control arm life through rusted bushings, weakened brackets, or seized mounting bolts. Good coating or plating extends service life by protecting steel from road salt and moisture. Look for arms with e-coating, powder coat, or zinc-rich finishes and pay attention to weld quality and seam sealing.

Corrosion protection also reduces the likelihood of additional labor at replacement time due to seized fasteners. For an owner keeping a Legacy GT long-term, investing in better surface protection can save time and frustration during future maintenance.

Adjustment Features and Alignment Impact

Some control arms offer built-in adjustment for camber or toe. These features can simplify alignment after installation or allow fine-tuning for aftermarket wheels and tire setups. However, adjustment mechanisms must be robust and maintain settings under load; flimsy adjusters can work loose and produce wandering alignment issues.

If you do not plan to modify wheel fitment, a non-adjustable direct-fit arm is often preferable because it preserves stock geometry. If adjustment is needed, ensure the hardware is serviceable and compatible with typical alignment procedures used by shops working on the Legacy GT.

Serviceability and Replacement Parts

Consider how easy it will be to service the control arm in the future. Arms with replaceable bushings or ball joints allow partial repair without replacing the entire component. That can lower long-term maintenance cost and waste. Verify availability of replacement bushings, dust boots, and mounting hardware for the Legacy GT.

Also assess whether the arm requires special presses, pullers, or alignment fixtures to remove and install. Simpler service requirements reduce labor time and make the job more feasible for owners doing DIY work or independent shops.

Signs Your Legacy GT Control Arm Needs Replacement

Common symptoms include clunking or knocking over bumps, persistent steering wander, and uneven inner or outer tire wear. You may also notice a loose or imprecise steering feel at low speeds or a vibration that correlates with suspension travel.

During a visual inspection, check for cracked or split bushings, excessive rust around mounting points, and play in the ball joint. Small visual cues often precede more serious failures that affect handling and safety.

  • Clunking noise when accelerating from a stop or going over speed bumps
  • Uneven tread wear on front tires, especially inner edge wear
  • Excessive steering free play or wandering down the road
  • Visible bushing deterioration or torn dust boots on ball joints

Installation Overview and Typical Labor Considerations

Replacing a control arm on the Legacy GT usually involves lifting the vehicle, removing the wheel, and supporting the knuckle while separating the ball joint. Some installations require removal of sway bar links or strut-to-knuckle fasteners to gain proper access. Torque specifications and sequence matter when reassembling to preserve geometry.

Labor time varies depending on whether the replacement is a direct-fit pre-assembled arm or requires pressing in bushings. Pre-assembled arms shorten shop hours and often reduce alignment complexity, while pressed-in components increase labor and may need specialized tools.

  • Direct-fit, pre-assembled arms reduce install time
  • Press-in bushings or ball joints add labor and tool needs
  • Always perform a full alignment after replacement

Bushing Choices: Balancing Comfort and Control

Selecting bushing material affects ride comfort and steering feedback. Rubber bushings provide a supple ride and dampen road noise, which benefits daily driving on variable pavement. Polyurethane or firmer bushings increase steering precision and reduce deflection during cornering but transmit more vibration into the cabin.

For a Legacy GT that sees spirited driving or higher mileage, a firmer bushing can maintain suspension geometry under load. For vehicles used primarily for commuting, a softer bushing often produces a more comfortable ride while keeping noise levels low.

  • Rubber: quieter, more compliant, may wear faster
  • Polyurethane: firmer, better control, more NVH
  • Replaceable bushings simplify future repairs

Alignment After Replacement and What Shops Check

After installing a control arm, a full front-end alignment is necessary to set camber, caster, and toe back to specification. Technicians will check for bent components, verify steering axis inclination, and ensure that any adjustable arms are set within recommended ranges. Improper alignment after replacement is a common cause of continued tire wear and poor handling.

Bring documentation of the control arm type and any adjustable features to the alignment technician. If the replacement arm is a direct-fit non-adjustable unit, the shop will typically use shims or cam bolts where applicable to reach the desired geometry without compromising steering response.

  • Full alignment required after control arm replacement
  • Technicians check for bent knuckles or other damage
  • Adjustable arms need verified locking mechanisms

Choosing Between Upper and Lower Control Arm Options

The Legacy GT front suspension uses both upper and lower arm locations with distinct roles. Upper arms typically manage camber at the top of the wheel assembly while lower arms take greater vertical and lateral loads. Understanding which arm is being replaced is important because the behavior, load, and failure modes differ.

When evaluating options, confirm whether you are addressing upper or lower arms and select bushings and ball joints that match the function. In many cases, lower arms carry the bulk of suspension stresses and may benefit from stronger materials or reinforced brackets.

  • Upper arms influence camber response and steering precision
  • Lower arms absorb major suspension forces and impacts
  • Replace the worn arm type that matches the symptom and inspection findings

Maintaining Control Arms to Extend Service Life

Regular inspections during oil changes or tire rotations can catch early bushing wear and ball joint play. Clean mounting points of road grime and inspect coatings for chips that expose bare metal. Addressing minor issues early prevents accelerated wear and keeps the Legacy GT handling predictably.

If you live in a corrosive climate, consider periodic underbody treatments or touch-up coatings where finish damage is detected. Promptly replace torn dust boots and serviceable bushings to avoid contaminant ingress that leads to premature failure.

  • Inspect bushings and ball joints every 12,000 miles or during tire rotations
  • Clean and touch up coatings to prevent corrosion
  • Replace torn boots immediately to prevent contamination

Still looking for the perfect fit?

Select your Subaru Legacy configuration to see the most relevant Control Arms recommendations

How We Chose the Best Subaru Legacy GT Control Arm

We evaluated options for the Subaru Legacy GT using criteria that reflect real-world service and ownership needs. First, fitment accuracy and factory-equivalent mounting points were prioritized to make sure each control arm maintains proper suspension geometry without additional modification. Second, bushing construction and material were assessed because poly or rubber bushings significantly influence NVH, steering feel, and longevity. Third, ball joint quality and pre-pressing were considered; a well-integrated, durable ball joint reduces labor at installation and improves safety. Fourth, corrosion resistance and coating were reviewed for climates where road salt accelerates failure. Fifth, warranty coverage and documented longevity data were factored in when available, as they indicate manufacturer confidence.We excluded arms that require vehicle-specific machining or major suspension modification and any units without clear fitment information for the Legacy GT. Our shortlist focuses on direct-fit replacements and upgraded options that preserve alignment settings or make re-alignment straightforward. The final picks reflect a balance of durability, ride quality, and practical installation for owners and independent shops.

Our full evaluation process is outlined in our review methodology.

FAQ

What are the most common control arm symptoms on a Legacy GT?

Common symptoms include clunking noises over bumps, wandering or loose steering, and uneven front tire wear. Visual signs like split bushings or torn dust boots often accompany those symptoms.

Can I replace a control arm myself on a Legacy GT?

Owners with mechanical experience can replace a control arm, especially if the replacement is pre-assembled. However, some jobs require pressing bushings or separating a stubborn ball joint and a full alignment afterward, so plan for tools, time, and an alignment service.

How will control arm bushing wear affect ride quality?

Worn bushings increase compliance and can lead to vague steering, clunks, and more tire scrub. Depending on the material, replacing bushings can either restore a quiet ride or, if upgraded to firmer bushings, increase steering feedback at the cost of more vibration.

Do control arms include ball joints or are they sold separately?

Some control arms come with pre-assembled ball joints while others require separate ball joint installation. Pre-assembled units reduce installation steps and the chance of mismatch, but verify the ball joint taper and seal quality before purchasing.

Will replacing a control arm fix alignment issues on my Legacy GT?

Replacing a worn or bent control arm can correct alignment geometry, but a proper alignment is still required after replacement. If other suspension components are damaged, they must also be addressed to fully resolve alignment problems.

How can I tell if a control arm is bad during inspection?

Check for torn or deformed bushings, excessive rust at mounting points, and play in the ball joint by moving the wheel assembly by hand. Any noticeable movement or visible deterioration usually indicates the arm should be replaced.

Final Verdict

When choosing a control arm for the Subaru Legacy GT, prioritize proper fitment and the bushing material that matches your driving habits. Consider ball joint quality and corrosion protection for long-term reliability, and account for whether a pre-assembled unit will reduce installation complexity.Balance comfort and control by selecting the bushing type that suits commuting or spirited driving, and plan for a full alignment after replacement. Focusing on these tradeoffs will help you pick a durable, safe control arm that restores handling and extends the service life of your Legacy GT.

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Mike - Certified Professional Automotive Mechanic

About the Author: Mike

Mike is an experienced professional automotive mechanic with hands-on experience maintaining and repairing a wide range of vehicles. At VehicleRuns, he focuses on helping car owners make better decisions about parts, tools, and repairs by combining real-world experience with clear, practical guidance.