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If your Buick Regal feels loose in the front end or shows uneven tire wear, choosing the right control arm can make a noticeable difference in steering feel and suspension reliability. You want parts that fit correctly, use durable bushings and joints, and let you return the car to proper alignment without repeated adjustments. This guide covers our shortlisted picks of top control arms for the Buick Regal and explains the evaluation criteria we used, including fitment accuracy and component durability. Read on to find the options that best match your repair or upgrade goals.
Looking for other parts? See all Buick Regal parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | TRQ Rear Lower Control Arm Set (2-piece) |  |
| Most Popular A crowd favorite that many people choose with confidence | TRQ Front Steering & Suspension 8-Piece Kit (direct-fit) |  |
| Best Quality Built to a higher standard if you want something more solid | Detroit Axle 6‑Piece Front Control Arm and Tie Rod Kit for Buick Regal |  |
| Best Budget The cheapest option that still gets the job done reliably | NewYall Front Lower Left Suspension Control Arm with Ball Joint |  |
| Most Sold A high-volume bestseller chosen again and again | ILONPA Front Lower Control Arms Suspension Kit with Ball Joints and Tie Rods |  |
| Best Value for Money The sweet spot between price and what you get | Metrix Premium Chassis Parts Front Left & Right Lower Control Arm with Ball Joint Kit |  |
| Best Overall The best all-around choice for most situations | Detroit Axle Front End 14‑Piece Suspension Kit (Vehicle Specific Fit) |  |
1. TRQ Rear Lower Control Arm Set (2-piece)
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Rear Lower |
| Quantity | 2 Piece |
| Exterior | Machined |
This TRQ two-piece rear lower control arm set replaces the rear lower rearward control arms on compatible Buick Regal models and is intended as a direct-fit factory-quality replacement. It includes both driver and passenger rear lower arms so you can restore rear suspension geometry and reduce uneven tire wear in one job. The parts are machined and preassembled to speed installation and TRQ supplies DIY installation videos to guide bolt-on replacement without modification. In real-world use owners report straightforward installation and improved rear stability and ride quality after replacing aged or worn arms and bushings. Limitations to consider are fitment specifics for Regal years and RPO suspension codes, so verify exact compatibility before buying, and as with any control arm replacement you may need alignment afterward. These arms are practical for owners who want a reliable, vehicle-specific repair without custom work, but professional installation is recommended if you lack suspension experience.
Best for: Reliability-focused buyers who prioritize restoring factory steering and suspension behavior on a Buick Regal and prefer direct-fit repairs that reduce repeat trips to the shop.
Less Ideal for: Buyers looking for performance upgrades, altered ride height, or universal-fit parts should consider performance or adjustable aftermarket arms instead.
- Includes both driver and passenger rear lower rearward control arms for a complete rear-side replacement.
- Machined, preassembled components designed to fit without modification for compatible Buick Regal rear suspensions.
- Manufacturer-provided DIY installation videos help reduce installation guesswork.
- Direct replacement aims to restore rear suspension geometry and improve ride stability and tire wear.
- Fitment depends on specific model years and RPO suspension codes so incorrect selection will require returns or exchanges.
- Replacement may require professional tools and an alignment after installation, adding to total repair cost.
Verdict A practical, direct-fit rear lower arm kit for Buick Regal owners seeking a reliable factory-quality replacement to restore rear stability and tire wear.
2. TRQ Front Steering & Suspension 8-Piece Kit (direct-fit)
| Model | TRQ PSA27572 8 Piece Steering & Suspension Kit |
|---|---|
| Applicable position | Front |
| Pre-greased | Yes |
| Anti-Corrosion Coated | Yes |
This TRQ 8-piece front steering and suspension kit groups the lower control arms with ball joints, inner and outer tie rods, and sway bar links into a single package intended to restore front-end handling on applicable Buick Regal and LaCrosse models. It is typically used by DIYers or independent shops replacing multiple worn suspension components at once to eliminate play and improve steering response. Notable features include pre-greased joints, anti-corrosion coating, and pre-assembled pieces that aim to save installation time and reduce fitment adjustments. In practice the kit can deliver a firmer, more precise road feel after installation and simplifies sourcing by bundling matched parts. Limitations to consider are mixed user reports on long-term durability and occasional missing items at delivery, so inspect the kit on arrival and plan for a careful pre-install check. This is a convenience-focused option that reduces parts hunting but may require attention to quality control before installation.
Best for: Buyers who prioritize convenience and faster turnaround on front-end repairs and prefer a single kit to replace multiple worn components without sourcing each part separately.
Less Ideal for: Drivers seeking the absolute highest-end, long-life suspension components or those who want to replace only a single worn part at a time should consider buying individual premium parts instead.
- Complete kit bundles matching control arms, tie rods, and sway bar links to simplify a multi-part front suspension repair
- Pre-greased joints and pre-assembled components reduce installation time and immediate maintenance
- Anti-corrosion coating improves surface life compared with untreated parts
- Some buyers report inconsistent durability across parts and isolated early failures
- Occasional reports of missing pieces on delivery require an inventory check before installation
Verdict A time-saving, direct-fit suspension kit that simplifies multi-part front-end repairs for convenience-minded Buick Regal owners but requires an arrival inspection due to mixed durability reports.
3. Detroit Axle 6‑Piece Front Control Arm and Tie Rod Kit for Buick Regal
| Fitment | Buick Regal models with electric non-variable power steering (RPO NJ1) and specified wheel options |
|---|---|
| Kit contents | 2 front lower control arms, 2 front inner tie rods, 2 front outer tie rods |
| Manufacturer | Detroit Axle |
| Part number | 6CS48300 |
This Detroit Axle kit supplies two front lower control arms plus two inner and two outer tie rod ends intended as a factory-replacement suspension service kit for Buick Regal models with the specified electric power steering configuration. It is used when front-end components wear, cause steering play, or produce uneven tire wear and is typically installed during a suspension refresh or alignment service. Notable features include preassembled bushings and ball joints designed to snap into place for easier installation and a 10-year warranty backing the parts. In practice the kit gives a direct-fit replacement that restores steering feel and reduces play when installed and aligned by a shop. Some buyers report missing grease fittings and isolated early failures on tie rod components, so verify parts on arrival and consider greasing and torque checks during installation. This kit targets drivers who want a full front-end replacement in one purchase, but those seeking a premium performance upgrade or track-level components should look at dedicated performance arms instead.
Best for: Performance-oriented Buick Regal owners who prioritize restoring tight steering and dependable factory-quality replacement parts during a front suspension refresh.
Less Ideal for: Drivers seeking aftermarket performance control arms for track use or aggressive handling upgrades should consider dedicated performance parts instead.
- Complete kit includes both front lower control arms plus inner and outer tie rod ends for one installation.
- Preassembled bushings and ball joints simplify installation and reduce prep time for a shop or experienced DIYer.
- Designed as direct-fit replacements to restore steering precision and reduce front-end play.
- Some customers report missing grease fittings or occasional early failure of tie rod components.
- Not a performance-oriented upgrade; built for replacement rather than improved handling characteristics.
Verdict A convenient, factory-quality front suspension kit for Buick Regal owners wanting to restore steering feel, but not intended as a performance upgrade.
4. NewYall Front Lower Left Suspension Control Arm with Ball Joint
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Lower |
| Auto Part Orientation | Front |
| Unit Count | 1.0 Count |
This NewYall control arm is a direct-replacement front lower left suspension arm with an integrated ball joint intended for Chevrolet Malibu 2016–2022 and Buick Lacrosse/Regal variants in the listed years. It installs where the factory lower control arm mounts and is used to restore proper front suspension geometry and steering response after wear or damage. The part is sold singly and advertises vehicle-specific fitment to simplify selection. Practical benefits include an assembled ball joint to reduce parts and installation time and a price point aimed at owners replacing a worn arm without paying for a premium brand. Limitations to consider are mixed user reports on longevity and noise and the fact that only one arm is provided so matching-side replacement or inspection of related components is recommended. Expect this to be a cost-focused factory-quality replacement option rather than a performance upgrade or long-term high-mileage solution.
Best for: Budget-conscious owners looking to restore proper front suspension function on a compatible Buick Regal or Chevrolet Malibu without paying for a premium aftermarket brand.
Less Ideal for: Drivers seeking a heavy-duty or long-term performance upgrade, or those who prefer to replace suspension components in matched pairs with premium-brand parts.
- Vehicle-specific fit for direct replacement on listed Buick and Chevrolet models
- Includes an assembled ball joint to simplify installation
- Lower-cost option compared with branded factory-quality replacements
- Sold as a single arm so both sides may not match wear or finish
- Some buyers report early noise or reduced longevity compared with higher-end parts
Verdict A budget-friendly, vehicle-specific front lower control arm with ball joint that restores function affordably but may not match premium part longevity.
5. ILONPA Front Lower Control Arms Suspension Kit with Ball Joints and Tie Rods
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Lower |
| Unit Count | 3.0 Count |
| Exterior | Milled |
This ILONPA front lower suspension kit bundles the parts you typically replace when front-end wear causes noise or loose steering: a pair of front lower control arms with integrated ball joints, two sway bar end links, and two outer tie rod ends. It is designed for direct fitment to compatible Buick LaCrosse/Impala model years and is intended as a factory-quality replacement for worn components. Installers will appreciate that the control arms come preassembled with ball joints and that the kit aims to preserve steering alignment without extensive modification. The included sway bar links and tie rods let you refresh multiple wear items in one job, which saves time versus sourcing parts separately. Expect typical aftermarket finish and hardware; some users report firm installation effort and the need for an alignment after fitting. This kit is best for owners who want a single purchase to address common front suspension failures, but professional installation or mechanical experience is recommended to ensure proper torque and alignment.
Best for: Risk-averse, mainstream buyers who prioritize restoring factory-like handling and want a single kit to replace multiple front suspension wear items on a Buick LaCrosse.
Less Ideal for: Buyers seeking performance upgrades, adjustable components, or lightweight race-oriented parts should consider specialty suspension options instead.
- Complete front lower kit bundles control arms, ball joints, sway bar end links, and outer tie rod ends for one-stop replacement
- Vehicle-specific fitment for Buick LaCrosse/related models reduces fitment guesswork
- Control arms arrive preassembled with ball joints to simplify installation steps
- Includes parts that restore steering stability and reduce front-end noise when worn components are replaced
- Requires wheel alignment after installation to ensure proper steering geometry
- Installation can be labor intensive and may need press tools or professional service
Verdict A convenient, vehicle-specific replacement kit for refreshing front lower suspension components on Buick LaCrosse models, best when paired with professional installation and a post-fit alignment.
6. Metrix Premium Chassis Parts Front Left & Right Lower Control Arm with Ball Joint Kit
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Lower |
| Material Type | Aluminum |
| Manufacturer Part Number | 99596MT |
This Metrix Premium kit supplies both left and right front lower control arms with preinstalled ball joints, intended as direct replacement components for compatible Buick Regal models. Made from aluminum and pre-greased, the assemblies are designed for a straightforward swap during front suspension repairs and to restore steering stability and ride quality. The kit is vehicle-specific fitment which helps reduce installation time and fitment issues compared with universal parts. Benefits in daily use include quieter front suspension, reduced play in the steering, and a corrosion-resistant metal construction that feels solid under load. The parts are certificated to industry quality standards and come with a limited warranty for added confidence. Limitations to consider are that the ball joints are non-serviceable and the aluminum construction, while corrosion-resistant and light, may feel different from heavier factory steel arms; professional installation and an alignment after fitting are recommended to ensure correct handling and tire wear.
Best for: Balanced buyers who want a reliable, near-direct replacement for Buick Regal front suspension that balances quality, ease of installation, and longevity.
Less Ideal for: Drivers seeking heavy-duty performance upgrades for aggressive use or those who prefer fully serviceable suspension components should consider alternative options.
- Vehicle-specific fitment reduces installation adjustments and improves alignment accuracy
- Pre-greased, integrated ball joints simplify installation and extend initial service life
- Aluminum construction resists corrosion and feels robust under load
- Sold as a matched left/right pair so both sides are replaced at once
- Ball joints are non-serviceable so the entire arm must be replaced if joint fails
- Aluminum design may behave differently under extreme loads compared with heavier steel arms
Verdict A well-built, vehicle-specific pair of lower control arms that restore front-end stability on Buick Regal models while offering easier installation and solid corrosion resistance.
7. Detroit Axle Front End 14‑Piece Suspension Kit (Vehicle Specific Fit)
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front |
| Auto Part Orientation | Drivers Side |
| Includes | Struts, control arms, tie rods, sway bar links, boots |
This Detroit Axle 14-piece front suspension kit is designed as a vehicle-specific replacement package to refresh worn front-end components on compatible Buick Regal models. The kit combines two ready-to-install front struts with coil springs, lower control arms with pressed ball joints, inner and outer tie rod ends with boots, and front and rear sway bar links so you can replace most common wear items in one job. For DIY mechanics or shops it simplifies a rebuild by providing matched parts and grease fittings where applicable, and the included components undergo impact and fatigue testing per the brand. Practical benefits include reducing vibration and restoring steering response after installation and alignment. Customers report generally good fitment and easier installation compared with sourcing parts individually, but there are mixed reports about occasional hardware quality and dimensional tolerances, so expect to verify all fasteners and cotter pin alignment during assembly. This kit is best when you want a coordinated front-end overhaul but should be installed carefully and checked at alignment to ensure safe steering geometry.
Best for: Balanced all-round buyers who want a single, coordinated solution to restore front suspension and steering performance on a Buick Regal without sourcing individual parts.
Less Ideal for: Drivers seeking premium aftermarket components for heavy performance use or those unwilling to inspect and possibly replace supplied fasteners should consider higher-end or OEM alternatives.
- Comprehensive kit bundles struts, control arms, tie rods, sway bar links and boots for a single front-end overhaul
- Vehicle-specific fit reduces parts-compatibility hassles and speeds installation
- Ready struts with coil springs simplify assembly compared with buying components separately
- Manufacturer states parts undergo impact, wear and fatigue testing for durability
- Includes grease fittings on serviceable components to ease future maintenance
- Some reviewers reported inconsistent hardware quality and broken bolts during installation
- A few reports mention control arm tolerances and cotter pin hole alignment issues requiring workarounds
- Kit may not include the highest-grade fasteners so expect to inspect or replace some hardware during rebuild
Verdict A convenient, vehicle-specific front suspension bundle that restores handling and steering on the Buick Regal but requires careful hardware inspection during installation.
Choosing the Right Buick Regal Control Arm: Key Factors to Consider
Fitment and Compatibility
Correct fitment is the most important factor because a control arm that does not match the Buick Regal's mounting points will not restore proper geometry. Confirming compatibility with your model year and subtrim ensures bolt holes, ball joint taper, and bracket locations align with factory mounts.
Poor fitment can cause extra stress on adjacent suspension parts, lead to premature wear, and complicate alignment. Choosing a part that is built to the same dimensions as the original equipment reduces installation time and the risk of unexpected handling changes after replacement.
Bushing Quality and Construction
Bushings isolate vibration and control fore-aft and lateral compliance. The material and design of the bushing affect ride comfort, noise, and how load is transferred during cornering. Softer rubber bushings can reduce noise and harshness but may allow more movement, while stiffer synthetic or polyurethane bushings increase control but can transmit more road feedback.
Look for bushings that are pressed and bonded correctly, with attention to shear properties and expected lifecycle. Bushing durability directly influences how long the control arm will maintain alignment and steering responsiveness before replacement is needed.
Ball Joint Design and Strength
The ball joint links the control arm to the steering knuckle and endures high dynamic loads. A robust ball joint with proper sealing and lubrication retention reduces the chance of premature wear or failure, which can manifest as looseness or uneven tire wear.
Consider whether the ball joint is replaceable or integrated, the type of sealing used, and whether the joint meets or exceeds factory load ratings. Durable ball joints help maintain predictable steering and may extend the overall service interval of the suspension.
Material and Corrosion Resistance
Control arms are exposed to road debris, salt, and moisture, so the base material and finish matter for longevity. Steel arms should have effective corrosion-resistant coatings, while aluminum designs should be inspected for proper casting quality and protective anodizing or paint.
Good corrosion protection prevents structural weakening and seizing of mounting hardware. A well-finished part reduces the need for future replacement and preserves the integrity of bushings and ball joints by limiting water and salt ingress.
Impact on Alignment and Geometry
Some control arms are engineered to preserve the factory suspension geometry precisely, while others may alter mounting points or bushing compliance. Parts that keep dimensions within factory tolerances minimize the amount of toe and camber correction needed at installation.
If a control arm changes geometry even slightly, you may need additional alignment work. Choose arms that state or demonstrate adherence to OEM specifications to simplify post-installation setup and maintain predictable handling.
Installation Considerations
Ease of installation affects labor time and the likelihood of proper fitment. Factors to evaluate include whether the control arm bolts directly into existing mounts, the need for special tools, and whether any alignment must be temporarily held during mounting.
Parts that offer clear installation instructions, preinstalled hardware, or plug-and-play bushings reduce the chance of errors. Evaluate whether the arm requires press-fit operations or can be installed with common hand tools to match your mechanical comfort level.
FAQ
How can I tell if a Buick Regal control arm is failing?
Common signs include clunking noises from the front suspension during acceleration or braking, uneven tire wear, and a loose or wandering steering feel. Visual inspection may reveal torn bushings or excessive play in the ball joint. Often a combination of noise and handling changes indicates a control arm or its components need attention.
Is it better to replace the control arm bushing or the entire control arm?
It depends on the condition of the arm and availability of service parts. Replacing just the bushing can be cost effective if the arm itself is straight and free from corrosion or cracks. However, if the arm has bushings pressed in, is damaged, or the ball joint is worn, replacing the entire control arm can save time and reduce the risk of future failures.
Will replacing a control arm fix alignment issues on a Buick Regal?
A new, correctly fitted control arm will often restore the suspension geometry that caused alignment issues, particularly when worn bushings or ball joints were the source of play. After replacement it is usually necessary to perform a professional alignment to set camber and toe to factory specifications for best tire life and handling.
Can I install a control arm myself, or should I get professional help?
Installation can be a DIY project if you have the right tools and experience working under a vehicle, including torque wrenches and possibly a press for bushings. However, professional installation is advisable if special tools are required, if the mounting hardware is corroded, or if you prefer to ensure factory torque and alignment procedures are followed.
How long do control arms usually last on a Buick Regal?
Lifespan varies with driving conditions, climate, and maintenance, so there is no fixed interval. Under normal driving, well-made control arms often last many years, but exposure to road salt, frequent heavy loads, or rough roads can accelerate bushing and ball joint wear. Regular inspection helps catch issues early.
Are aftermarket control arms compatible with factory alignment settings?
Many aftermarket arms are designed to match factory dimensions and will allow standard alignment settings. Some performance-oriented or adjustable arms intentionally change geometry, so confirm whether the part preserves OEM measurements if you want to avoid additional alignment adjustments. Always check the manufacturer's specifications for compatibility.
How We Chose the Best Buick Regal Control Arm
We focused on parts engineered specifically for the Buick Regal and evaluated each candidate across multiple, Buick-specific dimensions. Key criteria included fitment accuracy to factory mounting points and bolt patterns, the quality and material of bushings and ball joints, and overall build durability under typical street driving loads. We also considered whether the design preserved factory suspension geometry to minimize alignment correction and whether the part required special tools or modifications for installation. Excluded items included generic universal arms, parts with unclear vehicle fitment, or components that required substantial vehicle modification. We prioritized parts that balanced ease of installation, long-term wear resistance, and the ability to restore original handling characteristics. When possible we assessed corrosion protection and warranty coverage as proxies for expected lifespan.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a control arm for a Buick Regal, prioritize correct fitment, durable bushings, and a strong ball joint to restore handling and minimize alignment work. Consider corrosion protection and whether the part preserves factory geometry to reduce installation complexity. Balance ease of installation against long-term durability. Replacing worn components with parts that match the Regal's specifications will yield the most predictable steering feel and longer service life.
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