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If your Infiniti Q50 feels loose in the front end or the steering wanders, the right control arm can restore handling and alignment. Choosing the correct control arm matters because fitment, durability, and the condition of associated bushings affect ride quality, steering response, and tire wear. This guide covers seven shortlisted control arms for the Infiniti Q50 that met our editorial criteria for compatibility and build quality. Below we explain the criteria used to evaluate them and what to look for when deciding which option suits your driving needs.
Looking for other parts? See all Infiniti Q50 parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Godspeed AK-185-A Adjustable Rear Lower Control Arms, Set of 2 |  |
| Most Popular A crowd favorite that many people choose with confidence | Metrix Premium Chassis Parts 4‑Piece Front Upper Control Arm and Sway Bar Link Kit for Infiniti Q50/Q60 AWD |  |
| Best Quality Built to a higher standard if you want something more solid | TRQ 4-Piece Front Upper and Lower Control Arm Set with Ball Joints |  |
| Best Budget The cheapest option that still gets the job done reliably | Dorman 522-008 Rear Passenger-Side Lower Control Arm with Ball Joint |  |
| Most Sold A high-volume bestseller chosen again and again | Marketplace Auto Parts Front Lower Control Arm and Ball Joint Assembly Set (2) for Infiniti Q50 AWD |  |
| Best Value for Money The sweet spot between price and what you get | Detroit Axle Front Upper Control Arms with Ball Joints (pair) |  |
| Best Overall The best all-around choice for most situations | DRIVESTAR Front Lower Control Arm (CAK1357) for Infiniti Q50 and Compatible Models |  |
1. Godspeed AK-185-A Adjustable Rear Lower Control Arms, Set of 2
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Rear Lower |
| Material | Alloy Steel |
| Adjustment Range | Allows camber correction ±3 degrees |
These Godspeed adjustable rear lower control arms replace the factory rear lower arms on Infiniti Q50 (V37) models to allow camber correction and finer alignment control. They are built from alloy steel with a painted, corrosion-resistant finish and use spherical bearings to provide a more direct suspension response compared with worn rubber joints. Typical use is for daily-driven Q50s that need corrected camber after lowering or to eliminate premature inner tire wear; installers can adjust camber about plus or minus three degrees. The parts are engineered as direct replacements for straightforward swapping by a professional installer and are rated for both street and higher-performance use, though the listing warns against extreme stance setups or air suspensions. Important limitations are that installation requires mechanical experience and alignment equipment, and these arms are intended for on-road handling improvement rather than extreme camber cosmetic setups or vehicles with excessive modifications.
Best for: Reliability-focused buyers who want a durable, factory-replacement-style suspension upgrade to restore proper alignment and extend tire life on their Infiniti Q50.
Less Ideal for: Buyers seeking a cosmetic extreme-stance look, owners with heavily modified or air-suspended Q50s, or those who need a bolt-on solution without alignment tools or professional installation.
- Vehicle-specific fit for Infiniti Q50 (V37) 2014–2022 for direct replacement installation
- Adjustable camber range of approximately ±3 degrees to correct alignment after lowering or wear
- Spherical bearings improve steering feedback and reduce deflection compared with aging rubber joints
- Alloy steel construction with painted finish for durability and corrosion resistance
- Requires professional installation and post-install alignment to function correctly
- Not designed for vehicles with extreme camber modifications or air suspension setups
Verdict A durable, adjustable rear lower control arm set built for restoring correct camber and reliable handling on Infiniti Q50s, provided you install it professionally and avoid extreme-stanced setups.
2. Metrix Premium Chassis Parts 4‑Piece Front Upper Control Arm and Sway Bar Link Kit for Infiniti Q50/Q60 AWD
| Fit Type | Vehicle Specific |
|---|---|
| Auto Part Position | Front |
| Manufacturer | METRIX PREMIUM CHASSIS PARTS |
| Model | 97468MT |
This Metrix kit bundles the front left and right upper control arms with ball joints plus matching front sway bar end links so you can replace the most common front suspension wear items in one job. It is designed for 2014–2022 Infiniti Q60 AWD and 2014–2022 Infiniti Q50 AWD fitments and arrives with the hardware needed to install the assemblies. Notable features include factory-quality ball joints, grease fittings on some components for easier maintenance, and cataphoresis corrosion plating intended to resist salt and road grime. That combination makes the kit useful for DIYers and shops that want a straightforward swap to restore steering response and reduce play without sourcing individual parts. Quality control has occasional reports of defective boots or incorrect fasteners, so expect to check items before installation and plan for a short wait if a replacement is needed. The kit is backed by manufacturer testing and certifications and includes a 3-year/36,000-mile warranty from installation, which helps offset risk for owners doing the work themselves.
Best for: Buyers who prioritize convenience and want a single, vehicle-specific kit to swap common front suspension parts quickly without sourcing separate components.
Less Ideal for: Owners seeking premium OEM-branded parts or those who prefer to replace only a single worn item rather than a full kit should consider other options.
- Complete kit replaces both front upper control arms and sway bar end links at once for a single repair job
- Some components include grease fittings for easier service and longer joint life
- Cataphoresis plating improves corrosion resistance for road salt and moisture exposure
- Includes installation hardware and is vehicle-specific for Infiniti Q50/Q60 AWD models
- Some customers reported occasional quality control issues such as torn ball joint boots or wrong nuts on studs that required replacements
Verdict A convenient, vehicle-specific kit that restores front steering and suspension feel for Infiniti Q50/Q60 AWD with decent corrosion protection, but check parts on arrival for occasional QC issues.
3. TRQ 4-Piece Front Upper and Lower Control Arm Set with Ball Joints
| Fitment | Infiniti G37 (front) (vehicle-specific) |
|---|---|
| Quantity | 4 Piece |
| Position | Front (upper and lower) |
| Exterior | Machined |
This TRQ 4-piece front control arm kit replaces both upper and lower front arms and arrives with ball joints preinstalled to simplify installation. Designed as a vehicle-specific replacement for the Infiniti G37, the set is used to restore steering precision, reduce looseness, and correct uneven tire wear caused by worn suspension links. Notable features include preassembled ball joints, machined exterior surfaces, and TRQ’s installation resources such as step-by-step videos to guide DIYers. In practice the kit lines up with factory mounting points so shops or competent home mechanics can swap all four arms without fabrication. Buyers report improved front-end tightness and smoother steering after installation, though there are mixed longevity reports in a small number of reviews and one note about using the original castle nut during installation. This kit is a practical way to refresh the front suspension on a G37, offering a near-direct replacement and easier installation compared with separate component changes.
Best for: Buyers who want a balanced, all-around solution to restore handling on an Infiniti G37 and prefer a full, ready-to-install front suspension repair over piecemeal parts.
Less Ideal for: Drivers seeking a heavy-duty performance upgrade or a lifetime-longurance aftermarket part should consider specialty performance arms or OEM dealer replacements instead.
- Complete front kit includes both upper and lower arms with ball joints for a single-stop repair
- Preassembled ball joints speed installation and reduce labor compared with separate parts
- Vehicle-specific fit meant to line up with factory mounting points for straightforward replacement
- Manufacturer provides installation videos and resources to help DIY installation
- Some reviewers report early wear or noise on a minority of units, indicating variable long-term durability
- Included hardware may not always match original fastener detail requiring reuse of factory nuts in certain cases
Verdict A convenient, vehicle-specific 4-piece front control arm kit for the Infiniti G37 that simplifies replacement and restores steering feel, with generally good fit but mixed long-term reports.
4. Dorman 522-008 Rear Passenger-Side Lower Control Arm with Ball Joint
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Lower |
| Material | Alloy Steel |
| Orientation | Passengers Side |
| Unit Count | 1.0 Count |
This Dorman control arm is a complete rear lower assembly with a pre-installed ball joint and bushings designed to replace the factory unit on compatible vehicles. It installs in place of the original part to restore rear suspension geometry, directional stability, and ride predictability without pressing in separate components. Practical features include machined alloy-steel construction and corrosion-resistant coatings intended to resist rust in typical road conditions. Because the ball joint and bushings come pre-installed the part reduces labor time and simplifies a backyard or shop repair. The part is vehicle-specific so confirm trim fitment before ordering. Limitations are that it is an aftermarket budget option rather than a factory-made unit and long-term durability can vary with driving conditions; installers may prefer a branded OEM-sourced arm for high-mileage or heavy-duty towing use. Fit confirmation is essential for a correct replacement on the Infiniti Q50 specified in the article goal.
Best for: Budget-conscious buyers who prioritize lower parts cost and quicker, straightforward repairs and want a ready-to-install replacement to get their Infiniti back on the road with minimal shop time.
Less Ideal for: Drivers who routinely tow heavy loads, drive off-road, or expect maximum long-term mileage may prefer a factory-quality or premium aftermarket control arm instead.
- Complete assembly with pre-installed ball joint and bushings to cut installation time
- Machined alloy-steel construction for structural strength
- Protective coatings to reduce corrosion in normal road conditions
- Aftermarket budget option so long-term durability may differ from factory-quality replacements
- Fitment must be verified for the specific Infiniti Q50 trim before purchase
Verdict A cost-conscious, ready-to-install replacement control arm that simplifies rear suspension repairs for compatible Infiniti Q50 applications when verified for fit.
5. Marketplace Auto Parts Front Lower Control Arm and Ball Joint Assembly Set (2) for Infiniti Q50 AWD
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Lower |
| Material | Alloy Steel |
| Unit Count | 2.0 Count |
This set supplies both left and right front lower control arms with preinstalled ball joints intended as direct replacement parts for Infiniti Q50 AWD (2014–2023). Each arm is finished in cast aluminum construction with alloy-steel components and is sold as a matched pair for front-lower suspension repair. Typical installation replaces worn control arms to restore steering precision, reduce clunking and correct uneven tire wear; having ball joints already assembled saves time compared with separate-part rebuilds. The parts are marketed as factory-quality replacements and are vehicle specific so fitment avoids the trial-and-error of universal arms. Expect a straightforward swap for technicians or competent DIYers but plan for wheel alignment after installation. These are single-purpose suspension components so they do not address related items like bushings, tie rods, or struts; buyers should confirm fit for AWD Q50s and be prepared for alignment labor and any peripheral part replacement.
Best for: Risk-averse mainstream buyers seeking a straightforward, vehicle-specific replacement to restore factory handling and eliminate worn-arm symptoms on an Infiniti Q50 AWD.
Less Ideal for: Buyers looking for performance upgrades, adjustable suspension parts, or a full suspension refresh that includes bushings and related components should consider other options.
- Sold as a matched left and right pair so both sides can be replaced at once
- Integrated ball joints reduce installation steps and simplify replacement
- Vehicle-specific fitment for Infiniti Q50 AWD reduces fitment issues
- Cast aluminum and alloy-steel construction aimed at factory-quality replacement
- Does not include separate suspension components like bushings or related hardware
- Requires professional wheel alignment after installation to ensure proper suspension geometry
Verdict A factory-quality, vehicle-specific pair of front lower control arms with integrated ball joints for Infiniti Q50 AWD owners who want a direct, low-risk replacement.
6. Detroit Axle Front Upper Control Arms with Ball Joints (pair)
| Fitment | Infiniti Q50 (select years, non-adjustable type) |
|---|---|
| Includes | Pair of front upper control arms with ball joints |
| Manufacturer | Detroit Axle |
| Part Numbers | MS301113_MS301114 |
These Detroit Axle front upper control arms arrive as a two-piece kit with ball joints already installed, intended as a factory-replacement option for Infiniti Q50 vehicles. They replace the vehicle’s worn upper control arms to restore steering precision and front-end stability. Typical use is direct swap-in during front suspension repair or when correcting uneven tire wear and loose steering feel. The parts are manufactured and tested for impact, wear, and fatigue and come backed by a long-term warranty, which provides confidence for routine road use. Buyers will appreciate the preinstalled ball joints that simplify installation and reduce workshop time. Some owners report a tight fit requiring a firm press or light tapping during installation, and these are non-adjustable units so alignment may require a shop adjustment afterward. These are positioned as a value-oriented aftermarket alternative to factory-quality arms rather than a performance upgrade, delivering solid fit and function for maintenance and light-duty driving needs on the Q50.
Best for: Practical optimizers looking to restore factory-like steering feel on an Infiniti Q50 without paying OEM prices or chasing performance upgrades.
Less Ideal for: Drivers seeking adjustable or performance-tuned suspension components or those who want a do-it-yourself installation guaranteed to be press-fit without additional tools or shop assistance.
- Sold as a matched pair with ball joints preinstalled for faster, simpler installation
- Engineered and tested for impact, wear, and fatigue to support everyday driving durability
- Direct-fit replacement specified for Infiniti Q50 so parts align with factory mounting points
- Backed by a long-term warranty that reduces ownership risk
- Non-adjustable design requires post-installation alignment at a shop
- Some installations may need force to seat joints which can complicate DIY fitting
Verdict A budget-friendly, factory-replacement pair of front upper control arms for the Infiniti Q50 that saves time with preinstalled ball joints while delivering dependable, everyday performance.
7. DRIVESTAR Front Lower Control Arm (CAK1357) for Infiniti Q50 and Compatible Models
| Fit Type | Vehicle Specific |
|---|---|
| Auto Part Position | Front |
| Orientation | Front |
| Manufacturer | DRIVESTAR |
| Manufacturer Part Number | CAK1357 |
These DRIVESTAR front lower control arms are a vehicle-specific direct replacement meant to restore factory-style suspension geometry on compatible Infiniti models. They are typically used when worn control arms cause clunking, uneven tire wear, or loose steering; installation replaces the worn arm and reestablishes correct wheel alignment. Notable features include manufacturer-referenced replacement part numbers and a construction marketed for durability and quality checks. In practice the kit should remove steering play and reduce suspension noise, returning a firmer, more predictable front end feel. Buyers should expect a standard bolt-in swap at a shop or by a competent DIYer, but alignment after installation is required. The listing mentions a 36-month warranty and numerous positive user reports of fit and ride improvement, though exact material composition and bushings are not detailed in the product description. Fitment is limited to the listed Infiniti and Nissan model years, so verify compatibility before ordering.
Best for: Convenience-driven buyers who want a straightforward, ready-to-install replacement that restores steering feel without hunting for aftermarket upgrades or custom parts.
Less Ideal for: Buyers seeking performance-oriented suspension upgrades or exact factory-material guarantees should consider higher-end or OEM-specified control arms instead.
- Vehicle-specific design for direct replacement on listed Infiniti and Nissan models
- Addresses steering play and suspension noise to restore driving stability
- Backed by manufacturer-referenced replacement part numbers for easier match to the original part
- Positive user reports of fit and ride improvement across multiple reviews
- Material and bushing details are not specified so longevity versus factory parts cannot be verified
- Fitment is restricted to the exact model years listed so it will not suit other vehicles
Verdict A practical, vehicle-specific replacement that reliably restores front suspension feel for the listed Infiniti Q50 years when matched and installed correctly.
Choosing the Right Infiniti Q50 Control Arm: Key Factors to Consider
Vehicle-Specific Fitment
Fitment to the Infiniti Q50 is the single most important factor because control arms must align precisely with factory mounting points and suspension geometry. A correct-fit part ensures bolt holes, ball joint angles, and mounting brackets match the vehicle, which reduces installation time and avoids unintended stress on adjacent components.
Parts that are designed for the exact model year range typically require fewer adjustments at installation and preserve intended camber and caster settings. Choosing a vehicle-specific control arm helps prevent accelerated tire wear and helps technicians achieve proper alignment without altered hardware.
Bushing Material and Design
Bushings isolate vibration and allow controlled movement of the suspension links. Materials range from rubber to high-density synthetic compounds, each offering different tradeoffs between comfort and responsiveness. Softer bushings tend to absorb road noise and soften ride quality, while firmer bushings provide sharper steering feedback but can transmit more vibration.
Look for bushings engineered to resist oil, road salt, and heat for longer service life. Bushing geometry and bonding method also affect durability; robust bonding reduces the chance of separation and premature failure that would lead to alignment drift or noisy operation.
Ball Joint Quality and Serviceability
Many front control arms incorporate ball joints that connect the arm to the steering knuckle. Ball joint construction and lubrication directly influence steering precision and component longevity. Sealed, greaseable, or replaceable ball joints each have different maintenance and lifespan profiles.
A higher-quality ball joint will offer smoother articulation and resist wear that leads to looseness and clunking. Consider whether the ball joint is serviceable or permanently sealed, and how that affects long-term maintenance and potential future repairs.
Material Strength and Corrosion Protection
Control arms are subjected to cyclic loads, road impacts, and exposure to moisture and road chemicals. Materials such as stamped steel, cast aluminum, or forged steel differ in strength-to-weight ratio and fatigue resistance. Corrosion-resistant coatings, zinc plating, or powder-coat finishes help prevent rust that can weaken mounting points or complicate removal.
Selecting a control arm with robust construction and protective finishes reduces the likelihood of structural failure and eases removal if future replacement becomes necessary. Consider the typical road conditions you drive in when weighing material and coating choices.
Alignment Compatibility
A replacement control arm should enable proper alignment settings without requiring extensive aftermarket adjustment. The arm must maintain correct pivot points and not alter camber or caster beyond factory tolerance. Some arms include adjustable features to help correct minor geometry changes, while non-adjustable arms rely on control during installation.
Choosing a control arm that preserves factory geometry simplifies alignment and helps avoid persistent pulling, uneven tire wear, and handling compromises. Confirm that the part allows standard alignment procedures after installation.
Ease of Installation
Ease of installation affects labor time and whether the repair is suitable for a DIYer or requires professional service. Factors include whether the arm uses factory-style bushings and bolts, access to mounting points without specialized tooling, and whether ball joints are preinstalled or need press fitting.
Parts designed for straightforward installation reduce the risk of installation errors and minimize time in the shop. If you plan to reuse existing hardware, ensure the replacement part is compatible with factory bolts and mounting brackets to avoid additional parts or machining.
FAQ
How do I tell if a control arm is bad on my Infiniti Q50?
Common signs include clunking or popping noises from the front suspension, steering that feels loose or wanders, and uneven tire wear. You may also notice vibration through the steering wheel or poor handling over bumps. A visual inspection can reveal torn bushings or excessive play in the ball joint, but a mechanic can confirm wear with a hands-on check.
Can a control arm cause alignment issues after replacement?
Yes, replacement control arms can affect alignment if they do not match factory geometry or if mounting hardware is torqued improperly. Parts that preserve original pivot points typically allow normal alignment procedures to correct camber and caster. After installation, an alignment check is usually recommended to ensure proper tire tracking.
Are control arm bushings serviceable or should I replace the whole arm?
It depends on the part design and the extent of wear. Some control arms have replaceable bushings or serviceable ball joints, while others are intended as complete assemblies. Replacing the entire arm is often recommended when multiple components show wear or when bushings are bonded and difficult to remove without damaging the arm.
How long do control arms usually last on an Infiniti Q50?
Lifespan varies with driving conditions, climate, and part quality. In typical driving, control arms can last many years, but exposure to rough roads, salt, and heavy loads accelerates wear. Regular inspections of bushings and ball joints help catch issues early before they lead to bigger suspension problems.
Will replacing a control arm fix a clunking noise in the front suspension?
Often a worn control arm bushing or ball joint is a common source of clunking, so replacing the affected control arm can resolve the noise. However, clunks can also originate from sway bar links, strut mounts, or other suspension parts, so a full inspection helps identify the true source before replacing parts.
Do I need a professional for control arm installation on an Infiniti Q50?
Installation complexity depends on the arm design and your mechanical skills. Some replacements are straightforward with common tools, while others require press tools or alignment adjustments. Even when you perform the installation, a professional alignment check is usually advisable to ensure correct steering geometry.
How We Chose the Best Infiniti Q50 Control Arm
We selected products that specifically fit the Infiniti Q50 and focused on attributes that most directly affect performance and longevity. Key evaluation criteria included precise vehicle fitment and mounting point accuracy, bushing material and design for vibration control, ball joint quality where applicable, structural material and corrosion protection, and overall durability under normal driving conditions. We also considered ease of installation in terms of factory bolt patterns and whether the part allowed for standard wheel alignment procedures. We excluded any items without clear Infiniti Q50 compatibility data, universal-fit parts that require extensive modification, and components that lacked documented materials or mounting specifications. The final list prioritizes parts that minimize alignment issues, resist premature bushing wear, and provide reliable steering geometry restoration for the Infiniti Q50.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing an Infiniti Q50 control arm, prioritize correct fitment, durable bushings, and solid ball joint construction to restore steering precision and reduce alignment drift. Balance material and corrosion protection with how you typically drive and whether you prefer a firmer or more compliant ride. Remember that installation quality and a follow-up alignment are critical to get the most from any replacement. Focus on parts that preserve factory geometry and offer clear maintenance or serviceability to minimize long-term issues.
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