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If your Mitsubishi Eclipse is showing uneven tire wear or loose steering, the control arm is often a key place to inspect. Choosing the right control arm matters because it affects alignment, handling, and how long related components last. This guide presents our short list of the top control arms for the Mitsubishi Eclipse. We evaluated fitment accuracy, bushing durability, and overall construction to help you pick an option that suits your driving needs and maintenance plan.
Looking for other parts? See all Mitsubishi Eclipse parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | TRQ Front Left Lower Control Arm with Ball Joint (Front Driver Side) |  |
| Most Popular A crowd favorite that many people choose with confidence | TRQ Rear Lower Control Arm with Ball Joint Set (2-piece) |  |
| Best Quality Built to a higher standard if you want something more solid | TRQ Front Lower Control Arm with Ball Joint Set, 4-Piece |  |
| Best Budget The cheapest option that still gets the job done reliably | Metrix Premium Front Right Lower Control Arm with Ball Joint and Bushing |  |
| Most Sold A high-volume bestseller chosen again and again | TRQ 12-Piece Front Steering & Suspension Kit (PSA58670) |  |
| Best Value for Money The sweet spot between price and what you get | Detroit Axle Front Lower Control Arms with Ball Joints (pair) |  |
| Best Overall The best all-around choice for most situations | Detroit Axle Front End Suspension 12‑Piece Kit for 2.4L Coupe Models |  |
1. TRQ Front Left Lower Control Arm with Ball Joint (Front Driver Side)
| Auto Part Position | Front Left Lower |
|---|---|
| Material | Alloy Steel |
| Ball Joint Mounting Type | Press In |
| Greaseable | No |
| Adjustable | No |
This TRQ front left lower control arm is a direct-fit replacement that arrives pre-assembled with bushings and a pressed-in ball joint to simplify installation on compatible Mitsubishi vehicles. Intended for front driver-side use, it replaces the factory unit to restore steering stability, reduce clunking, and correct uneven tire wear. The unit is steel construction with a machined exterior and comes non-greaseable and non-adjustable, so it bolts in and is ready to use without additional setup. Practical benefits include a factory-quality fit pattern, pre-installed components that save installation time, and access to TRQ DIY videos for step-by-step guidance. Limitations to consider are that the ball joint is press-in type rather than serviceable, so future ball-joint replacement will require removing or replacing the entire arm, and long-term durability depends on driving conditions and maintenance. The part is vehicle-specific so confirming fitment for the Eclipse Cross year and trim is important before purchase.
Best for: Reliability-focused buyers who prioritize restoring factory steering behavior and reducing repeat trips to the shop by choosing a direct-fit replacement designed to match the original geometry.
Less Ideal for: Drivers who plan to service or replace the ball joint separately, or those wanting adjustable suspension components for alignment tuning, should consider other options.
- Direct-fit, pre-assembled unit that reduces installation time
- Steel construction with machined exterior for a factory-quality appearance
- Includes bushings and a pressed-in ball joint so no separate parts are required
- Extensive DIY installation resources and vehicle compatibility information
- Ball joint is press-in and not serviceable separately
- Not greaseable or adjustable which limits in-field maintenance options
Verdict A practical, factory-style direct replacement that restores steering stability on compatible Mitsubishi Eclipse models but uses a non-serviceable press-in ball joint.
2. TRQ Rear Lower Control Arm with Ball Joint Set (2-piece)
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Rear Lower |
| Material | Alloy Steel |
| Unit Count | 1.0 Count |
This TRQ two-piece rear lower control arm set replaces both driver and passenger rear lower rearward arms and includes the ball joints pre-installed for straightforward swap-outs. Intended as a direct replacement, it bolts to factory mounting points, so typical use is a spot-repair or full rear suspension refresh on compatible Mitsubishi Eclipse models. Notable features include machined alloy steel construction and pre-assembled ball joints that save time during installation, plus TRQ’s extensive DIY videos to guide backyard mechanics. In practice the kit improves stability and steering precision when worn arms are replaced, and many buyers report clean fitment without modifications. Limitations to consider are variable longevity reported across users and ball joints that are not serviceable with grease fittings, which may affect long-term durability in harsh climates or heavy-duty use. Expect a practical, budget-oriented replacement that gets a worn rear suspension back to OEM alignment and handling when installed correctly.
Best for: Convenience-driven buyers who want a ready-to-install, direct-replacement rear lower control arm kit to fix handling and alignment issues without fabrication or extensive parts sourcing.
Less Ideal for: Drivers planning high-mileage, heavy-load, or performance driving who need serviceable or heavy-duty aftermarket joints should consider heavier-duty or greasable alternatives.
- Direct-fit design for faster installation on compatible models
- Pre-assembled ball joints eliminate extra assembly steps
- Alloy steel construction with machined exterior for solid feel
- Includes both driver and passenger rear lower control arms in one kit
- Extensive DIY installation videos available from the manufacturer
- Ball joints are not greasable and cannot be re-lubricated
- Mixed user reports on long-term durability and occasional premature wear
Verdict A time-saving, budget-friendly direct-replacement rear lower control arm kit for Mitsubishi Eclipse owners that simplifies installation but uses non-greasable ball joints that may limit long-term durability.
3. TRQ Front Lower Control Arm with Ball Joint Set, 4-Piece
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Lower |
| Quantity | 4 Piece |
| Exterior | Machined |
This TRQ 4-piece front lower control arm kit replaces both forward and rearward lower arms and comes with ball joints preinstalled, so it functions as a near drop-in replacement for the Mitsubishi Eclipse listed in the fitment. It is intended for full front suspension replacement and is typically used when worn bushings or ball joints cause looseness, noise, or poor handling. Notable features include preassembled ball joints to save assembly time, machined exterior finish, and vehicle-specific fit design to match factory mounting points. In practice the kit restores steering precision and reduces play that causes wandering or uneven tire wear. Installation is DIY-feasible for a competent mechanic but can be time consuming and may require an impact gun, new hardware, and a post-install alignment. Some users report inconsistent ball-joint longevity and occasional fitment errors, so confirm the Eclipse year and submodel carefully before buying. This kit is a strong way to regain factory steering feel if you accept the effort of correct fitment and periodic inspection of the ball joints.
Best for: Performance-oriented owners who prioritize restoring or improving steering precision and handling on a Mitsubishi Eclipse and are comfortable doing or supervising a full front suspension replacement.
Less Ideal for: Drivers seeking a low-effort, low-risk swap or who want the longest possible maintenance-free ball joints without periodic inspection should consider alternative premium or greasable options.
- Complete 4-piece kit replaces both forward and rearward front lower control arms for a full front-end refresh.
- Preinstalled ball joints reduce assembly steps and simplify installation compared with separate components.
- Vehicle-specific fit design aimed at matching factory mounting points for the Mitsubishi Eclipse listed in compatibility.
- Machined exterior and preassembled components improve initial fit and reduce prep time for installation.
- Some buyers report premature ball joint wear on long-term installs, which may require earlier replacement.
- A few reports of incorrect or mismatched ball joints mean you should verify fitment before installation.
- Installation can be labor intensive and may require specialty tools and replacement fasteners not included in the kit.
Verdict A comprehensive direct-fit control-arm kit that restores factory steering feel for the Mitsubishi Eclipse but requires careful fitment checks and occasional ball-joint inspection.
4. Metrix Premium Front Right Lower Control Arm with Ball Joint and Bushing
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Right Lower |
| Material | Carbon Steel |
| Manufacturer | METRIX PREMIUM CHASSIS PARTS |
This Metrix Premium front right lower control arm is a direct replacement-style assembly for compatible Mitsubishi models including the Eclipse Cross and installs in the lower front suspension to restore steering geometry and wheel control. It arrives as a single passenger-side arm with the ball joint and bushing pressed in, so most DIYers and shops can swap it in without sourcing separate components. The part is steel construction with machined finish and is marketed as meeting factory-level standards and international quality certifications. In practice it offers a cost-effective way to address worn control arm symptoms such as looseness, uneven tire wear, or wandering steering. Expect straightforward fitment when matched to the correct year and submodel, though the ball joint here does not include a grease fitting which means periodic servicing will rely on the sealed joint or replacement parts. For a budget option you get good value and many user reports of OEM-like fit, but those seeking serviceable ball joints or an upgrade in corrosion protection may prefer higher-end alternatives.
Best for: Budget-conscious owners prioritizing an affordable, direct-fit replacement to restore ride and steering on a Mitsubishi Eclipse Cross who prefer a quick swap without sourcing separate components.
Less Ideal for: Drivers seeking a serviceable ball joint, heavy-duty corrosion resistance, or a performance upgrade should consider premium aftermarket arms or rebuildable assemblies instead.
- Complete assembly with pressed-in ball joint and bushing for faster installation
- Steel construction and machined exterior that matches factory appearance
- Designed to fit Mitsubishi Eclipse Cross years listed, simplifying part selection
- Backed by manufacturer quality certifications and a limited warranty
- Ball joint is sealed without a grease fitting, limiting field servicing
- Corrosion protection details are not specified compared with premium coatings
Verdict A cost-effective, ready-to-install control arm that restores front-end stability on compatible Mitsubishi Eclipse Cross models but lacks a serviceable grease fitting for the ball joint.
5. TRQ 12-Piece Front Steering & Suspension Kit (PSA58670)
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Upper |
| Material | Aluminum |
| Unit Count | 1.0 Count |
This TRQ 12-piece front steering and suspension kit bundles control arms, tie rods, sway bar links and ball joints intended to restore front-end geometry and steering feel on a Mitsubishi Eclipse. It is sold as a vehicle-specific kit with pre-greased ball joints and anti-corrosion coated components to reduce initial prep and resist surface rust. For a DIY or shop refresh the kit simplifies sourcing by including the common front upper and lower control arms with ball joints, inner and outer tie rods, and sway bar links so you can replace worn parts in one job. Users report generally good fitment and improved handling after installation, though a few buyers noted missing fasteners on certain ball joint units and shorter component life on some sway links. The kit is aluminum and machined finished which keeps weight down and matches factory mounting points, but some individual parts may wear sooner than OEM on high-mileage or aggressive-use cars. For Mitsubishi Eclipse owners looking to refresh suspension and steering components at once this kit offers convenience and decent value, but expect to verify included hardware and monitor wear on high-stress items.
Best for: Practical optimizers who want a single purchase to refresh the Mitsubishi Eclipse front steering and suspension and prefer a bundled, DIY-friendly option to restore handling without paying dealer prices.
Less Ideal for: Drivers planning high-performance or heavy-duty use on their Eclipse who need heavy-duty aftermarket components or guaranteed long-life endurance should consider purpose-built performance parts instead.
- Complete 12-piece kit covers most front steering and suspension wear items, reducing the need to buy parts separately.
- Pre-greased ball joints and anti-corrosion coating lower initial install prep and improve surface longevity.
- Vehicle-specific, direct-fit design aims to match factory mounting points for easier installation.
- Aluminum, machined components offer lighter weight and a factory-style finish.
- Some customers report missing or incompatible fasteners for certain ball joints requiring extra hardware purchases.
- Sway bar links have mixed longevity reports and may need replacement sooner on higher-mileage vehicles.
- A few buyers found individual parts that did not match their vehicle year or required verification of fitment before installation.
Verdict A convenient, budget-minded full front steering and suspension kit for the Mitsubishi Eclipse that restores handling and saves sourcing time, but check for missing hardware and expect mixed longevity on some parts.
6. Detroit Axle Front Lower Control Arms with Ball Joints (pair)
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Lower |
| Orientation | Drivers Side |
| Manufacturer | Detroit Axle |
These Detroit Axle front lower control arms come as a matched pair with ball joints preinstalled to replace the worn factory pieces on compatible Mitsubishi Eclipse models. They are used as a direct vehicle-specific replacement during front suspension repairs and typically install in place of the original arms with standard hand tools and basic suspension knowledge. Notable features include factory-style fitment and components that undergo impact and fatigue testing according to the brand, and many buyers report straightforward fit and improved ride feel after installation. Practical benefits are quick restore of steering geometry and elimination of play from worn ball joints without needing to source separate components. Limitations to consider are that some units may require effort to seat the rear mounting bracket fully onto the control arm stud during installation and the ball joints are sealed and not serviceable, so future wear means replacing the whole arm. Warranty experience in user reports has been mixed, so expect to rely on installation quality and inspection before returning parts.
Best for: Practical optimizers who want a cost-effective, ready-to-install replacement that restores handling and steering precision on a Mitsubishi Eclipse without sourcing separate components.
Less Ideal for: Drivers seeking rebuildable or greasable ball joints or those who prefer dealer-level warranty handling should consider other options or professional-supplied parts.
- Vehicle-specific fit for compatible Mitsubishi Eclipse applications reduces modification and alignment guesswork
- Preinstalled ball joints simplify replacement and speed up installation
- Matched pair ensures both sides are refreshed at once to restore balanced handling
- Manufacturer states products undergo impact, wear, and fatigue testing
- Ball joints are sealed and cannot be re-greased, requiring full-arm replacement when they wear
- Some installations may need extra effort or tools to fully seat the rear mounting bracket onto the control arm stud
- Warranty support has reported inconsistencies in customer experiences
Verdict A budget-friendly, vehicle-fit pair of front lower control arms with preinstalled ball joints that get a Mitsubishi Eclipse back to proper steering and suspension performance quickly, but you will replace the whole arm when the sealed ball joints wear out.
7. Detroit Axle Front End Suspension 12‑Piece Kit for 2.4L Coupe Models
| Fitment | 2000-2001 Mitsubishi Eclipse 2.4L coupe (built before 1/03/01) |
|---|
This Detroit Axle 12-piece front suspension kit bundles the parts needed to rebuild the front end on compatible 2.4L coupe models. It includes both front lower control arms with preassembled ball joints, inner and outer tie rod ends, multiple sway bar end links and tie rod boots, so you can replace most wear items in one job. The control arms are cast from a premium alloy and preassembled ball joints reduce install steps, while supplied tie rod grease and protective packaging make it workshop-friendly. Practical benefits are consolidation of parts into a single purchase, factory-quality fit for the listed vehicle applications, and components designed to resist corrosion and impact loads. Limitations to note are model-year fitment restrictions that require the correct engine and build date, occasional reports of missing small hardware from shipments, and some pieces—like certain nuts or clamps—may need to be reused or sourced separately during installation. Expect a DIY or shop install that restores steering and suspension geometry without expensive individual orders.
Best for: Balanced buyers who want a single, vehicle-specific kit to refresh their Eclipse front suspension and prefer a practical, value-focused repair approach.
Less Ideal for: Owners seeking lift or performance upgrades, or those who need universal/multi-vehicle compatibility should look for specialized or vehicle-independent options.
- Comprehensive 12-piece kit replaces most front suspension wear items in one purchase.
- Front lower control arms come with preassembled ball joints to simplify installation.
- Premium alloy construction aimed at corrosion resistance and enhanced strength.
- Includes both inner and outer tie rod ends plus boots and grease for steering linkage service.
- Fitment is restricted to specific 2.4L coupe models and certain build dates, so verification is essential.
- Some buyers report missing small hardware or clamp pieces in shipments requiring additional purchases.
- Ball joints are prefilled with grease and lack a service zerk for future re-greasing.
Verdict A convenient, value-oriented front suspension kit that restores steering and suspension components for the specified 2.4L Eclipse coupes, provided you confirm exact year and build-date fitment.
Choosing the Right Mitsubishi Eclipse Control Arm: Key Factors to Consider
Fitment and Mounting Geometry
Accurate fitment is fundamental because the control arm must align precisely with the Mitsubishi Eclipse's chassis mounting points and suspension geometry. If bolt holes, offsets, or arm length differ, the vehicle may need additional adjustments to reach correct toe and camber settings. Poorly fitting arms can complicate alignment and increase wear on tires and adjacent suspension parts. Always verify that the arm matches OEM mounting patterns and includes necessary hardware or clear guidance on compatible fasteners.
Bushing Material and Design
Bushings isolate vibration and control lateral movement. Harder polyurethane bushings often improve steering responsiveness but can transmit more noise and vibration, while softer rubber bushings typically yield a quieter, more compliant ride. The choice affects ride comfort, steering feel, and how quickly bushings show signs of deterioration. Consider whether the bushings are bonded, replaceable, or serviceable. Replaceable bushings let you refresh the mount without replacing the whole arm, which can be more economical over the long term.
Ball Joint Quality and Serviceability
The ball joint connects the control arm to the steering knuckle and is a wear point that affects steering precision. Look for ball joints with sealed or greaseable designs depending on maintenance preferences. Sealed units minimize maintenance but may require replacement sooner if they fail, whereas greaseable joints can be serviced to extend life. Sturdy ball joint construction and good dust protection reduce the risk of premature failure. Confirm whether the ball joint is integrated or replaceable, as that impacts repair complexity and cost.
Corrosion Resistance and Finish
Control arms are exposed to road salt, moisture, and debris, so corrosion protection extends component life. Powder coating, zinc plating, or other protective finishes help prevent rust that can weaken mounting points or make later removal difficult. Surface protection also maintains part appearance and resale value of replacement components. Consider also the quality of welds and seam sealing, because water intrusion at joints can accelerate corrosion even with a protective finish.
Weight and Structural Design
The arm's structural design and weight influence unsprung mass and handling. Heavier arms can add durability but increase unsprung weight, which may slightly degrade ride quality and responsiveness. Lighter designs that retain rigidity can improve steering feel and suspension performance without sacrificing strength. Assess whether the arm uses stamped steel, cast, or tubular construction and how that aligns with your priorities for durability versus ride dynamics.
Ease of Installation and Maintenance
Some control arms come with preinstalled bushings and hardware, which simplifies installation and reduces labor time. Others require pressing in bushings or transferring ball joints, which can add complexity and may need special tools. Consider whether you will DIY the replacement or have it fitted professionally when choosing a part. Also factor in whether components are serviceable after installation, such as greaseable fittings or replaceable bushings, to reduce long-term ownership costs and downtime.
FAQ
How can I tell if a Mitsubishi Eclipse control arm is failing?
Common signs include clunking noises when going over bumps, uneven tire wear, or a pulling sensation during braking. You might also notice excessive play in the steering or visible bushing deterioration. A visual inspection and a road test that isolates suspension movement often reveal symptoms that point to the control arm or its bushings.
Can I replace the control arm myself?
Replacing a control arm is possible for a competent DIYer with the right tools and a safe workspace. The job may require pressing bushings or separating ball joints, and proper torque and alignment are important. If you are not comfortable with suspension work or lack equipment, professional installation is usually the safer choice.
Will a new control arm fix alignment issues on my Mitsubishi Eclipse?
A properly fitted control arm is important for maintaining correct alignment, but installing a new arm alone does not guarantee alignment is within specification. After replacement, an alignment check and adjustment are usually necessary because even correct parts can shift toe and camber during installation.
What causes control arm bushing wear?
Bushing wear results from age, repeated load cycles, heat, and exposure to road contaminants like oil and salt. Aggressive driving and frequent pothole impacts accelerate deterioration. Choosing durable bushing materials and addressing worn components promptly helps prevent secondary damage to tires and other suspension parts.
Should I replace the ball joint when I replace the control arm?
It depends on the design and condition. If the ball joint shows play, torn dust boot, or grease loss, replacing it at the same time is sensible. Some arms come with integrated joints while others allow separate replacement. Replacing worn joints during arm service can save labor in the long run and restore steering feel.
How We Chose the Best Mitsubishi Eclipse Control Arm
Our selection focused on parts that deliver correct fitment and durable suspension performance for the Mitsubishi Eclipse. We prioritized control arms that match factory mounting points and bolt patterns to avoid alignment complications. Bushing material and construction were evaluated to estimate wear life under typical driving conditions. Ball joint design and serviceability were examined because they directly affect steering feel and safety. Corrosion protection and finish were considered to ensure long-term reliability in varied climates. Finally, we looked at user-serviceable features such as replaceable bushings or greaseable joints to reduce maintenance costs over time. We excluded items that required vehicle-specific modification, generic universal arms, or parts with unclear fitment data. The resulting shortlist reflects only products that meet the core dimensions, mounting geometry, and durability expectations for this vehicle.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a control arm for a Mitsubishi Eclipse, prioritize correct fitment, bushing durability, and ball joint quality to preserve handling and minimize downstream wear. Balance corrosion protection and structural design with the installation and maintenance approach that suits your skill level and driving style. Addressing symptoms early and selecting a part that matches the vehicle's mounting geometry will reduce alignment headaches and extend the life of related suspension components.
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