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If you drive an Infiniti G37, worn or damaged control arms can noticeably affect steering feel, ride comfort, and tire wear. Choosing the right control arm matters because fitment, bushing quality, and ball joint condition directly influence handling and long-term reliability. This guide covers seven shortlisted control arms chosen for their compatibility and build features. We focus on the evaluation criteria that matter most to G37 owners, including fit accuracy, bushing materials, and durability. Read on to see the top picks and the factors used to vet them.
Looking for other parts? See all Infiniti G37 parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Detroit Axle Front Upper Control Arms with Ball Joints (pair) |  |
| Most Popular A crowd favorite that many people choose with confidence | Detroit Axle Front Lower Control Arms with Ball Joints (2-pack) |  |
| Best Quality Built to a higher standard if you want something more solid | Detroit Axle 8‑Piece Front Suspension Kit with Control Arms, Tie Rods and Sway Bar Links |  |
| Best Budget The cheapest option that still gets the job done reliably | A-Premium Front Upper Control Arms with Ball Joints and Bushings (pair) |  |
| Most Sold A high-volume bestseller chosen again and again | A-Premium Front Lower Control Arm with Ball Joint & Bushing |  |
| Best Value for Money The sweet spot between price and what you get | TRQ Front Upper Control Arm with Ball Joint — 2‑Piece Set |  |
| Best Overall The best all-around choice for most situations | TRQ 4-Piece Front Upper and Lower Control Arm Set with Ball Joints |  |
1. Detroit Axle Front Upper Control Arms with Ball Joints (pair)
| Brand | Detroit Axle |
|---|---|
| Manufacturer Part Number | MS301113_MS301114 |
| Fitment | Front upper control arms for compatible Infiniti models |
| Kit Includes | Driver and passenger upper control arms with ball joints |
These Detroit Axle front upper control arms replace the factory units and come as a driver and passenger pair with the ball joints already installed. They are intended for use during front suspension repairs on compatible Infiniti models and are installed in place of worn or damaged upper control arms to restore steering geometry and reduce play. Notable features include preinstalled ball joints and construction that Detroit Axle subjects to impact, wear, and fatigue testing. In practice the arms bolt in like a factory replacement in most cases and will typically be aligned after installation to ensure correct toe and camber. Buyers can expect a straightforward swap when bolt patterns and mounting points match, and many users report solid fit and a tighter front end after installation. Limitations to be aware of are that these are nonadjustable arms so alignment range may be narrower than adjustable aftermarket arms, and some installations can require extra persuasion to seat ball joints or a press depending on vehicle variations.
Best for: Reliability-focused buyers who want a factory-style replacement to restore front-end stability and handling on an Infiniti G37 without seeking performance adjustments.
Less Ideal for: Drivers looking to lower their car, tune suspension geometry, or require adjustable camber/toe settings should consider adjustable aftermarket arms instead.
- Sold as a matched driver and passenger pair with ball joints preinstalled for quicker installation
- Manufactured and tested for impact, wear, and fatigue to support durability expectations
- Fits factory mounting points for direct replacement on listed Infiniti models
- Non-adjustable design limits alignment fine-tuning compared with adjustable control arms
- May require a press or firm seating of the ball joint on some vehicles during installation
Verdict A practical, factory-style pair of front upper control arms with preinstalled ball joints that restore factory steering feel for reliability-minded Infiniti G37 owners.
2. Detroit Axle Front Lower Control Arms with Ball Joints (2-pack)
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front |
| Material | Alloy Steel |
| Unit Count | 2.0 Count |
These Detroit Axle lower control arms replace the factory front lower arms and come as a two-piece set with ball joints already installed. They are intended for RWD Infiniti G25/G35/G37 and Q40 models specified by the fit list and are used to restore steering geometry, reduce vibration, and eliminate worn-joint play. Made from alloy steel and delivered as a ready-to-install assembly, they simplify installation compared with rebuilding existing arms because the ball joints and bushings arrive assembled. Practical benefits include solid fitment for the listed vehicles, heavy-duty construction, and the convenience of swapping both sides at once. Some buyers report tight rear mounting brackets that may need pressing or a clamp to seat correctly and that the ball joints are sealed and not serviceable, which means long-term maintenance requires replacing the whole arm rather than greasing the joint. For someone doing a front suspension refresh on a compatible Infiniti, this kit balances value, durability, and ease of installation, though expect sealed joints and occasional minor fitment fiddling during installation.
Best for: A balanced all-round buyer who wants a practical, ready-to-install replacement that restores steering and suspension feel on compatible Infiniti G-series cars without premium aftermarket upgrades.
Less Ideal for: Drivers seeking rebuildable or greaseable ball joints, long-term serviceability, or adjustable performance suspension components should look at alternative options.
- Vehicle-specific fit for listed Infiniti G25/G35/G37 and Q40 models, simplifying selection.
- Comes as two complete lower control arms with ball joints preinstalled for faster replacement.
- Alloy steel construction offers a sturdy, heavy-duty replacement comparable to factory-quality parts.
- Wide customer feedback indicates consistent fit and improved ride feel after installation.
- Ball joints are sealed and not serviceable so the entire arm must be replaced when the joint wears.
- Some units may require additional pressing or clamping to fully seat the rear mounting bracket during installation.
Verdict A practical, heavy-duty two-arm replacement that restores front suspension function on the specified Infiniti models but uses sealed, non-serviceable ball joints.
3. Detroit Axle 8‑Piece Front Suspension Kit with Control Arms, Tie Rods and Sway Bar Links
| Fitment | 2007-2008 Infiniti G35 AWD Sedan; 2009-2013 Infiniti G37 AWD Sedan; 2011-2012 Infiniti G25 AWD Sedan; 2015 Infiniti Q40 AWD Sedan |
|---|---|
| Kit contents | 2 upper control arms w/ ball joint, 2 lower control arms w/ ball joint, 2 outer tie rod ends, 2 sway bar links |
| Brand | Detroit Axle |
| Model | Control Arms Kit |
This Detroit Axle 8‑piece front suspension kit replaces the front upper and lower control arms (with ball joints), outer tie rod ends, and sway bar links to restore steering precision and suspension stability on compatible Infiniti sedans. Designed as a full kit, it is typically used when multiple front suspension components are worn and the goal is to recover crisp steering, reduce play, and eliminate clunks over bumps. Notable features include preassembled ball joints on the control arms and matched components that simplify installation and alignment. In practice the kit delivers a factory‑replacement feel and noticeably firmer steering response compared with worn original parts. Buyers should expect mostly bolt‑on fitment but plan for a standard alignment after installation. Limitations include variable packaging quality reported by some buyers and occasional inconsistencies in included small hardware, so inventory all fasteners before starting work. The kit is a practical high‑quality option when you want a coordinated front suspension refresh without mixing disparate parts.
Best for: Performance‑oriented drivers looking to restore or sharpen handling by replacing multiple front suspension components at once and who prioritize coordinated, factory‑style results.
Less Ideal for: DIY beginners who prefer single‑part replacements or those unwilling to inventory and possibly source small hardware before installation.
- Comprehensive kit includes front upper and lower control arms with ball joints, outer tie rod ends, and sway bar links so multiple worn parts are replaced at once
- Preassembled ball joints reduce assembly time and help ensure consistent fitment
- Engineered and tested for durability to meet passenger car suspension demands
- Many buyers report near‑factory fit and improved steering response after installation
- Some customers report inadequate packaging which can lead to lost small parts on delivery
- Occasional missing or mixed small hardware reported, requiring buyers to source fasteners or fittings
Verdict A high‑quality, comprehensive front suspension kit that restores factory‑style steering and handling for Infiniti G37 owners who want a coordinated performance upgrade.
4. A-Premium Front Upper Control Arms with Ball Joints and Bushings (pair)
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Upper |
| Material | Aluminum |
| Ball Joint Included | Yes |
| Control Arm Bushing Included | Yes |
These A-Premium front upper control arms come as a driver and passenger pair with preinstalled rubber bushings and ball joints, intended as a direct-fit replacement for the Infiniti G37. They are cast from aluminum with a corrosion-resistant coating and are pre-greased at the ball joints, which simplifies installation and reduces initial break-in noise. In everyday use the factory-style dimensions aim to restore proper steering geometry, reduce vibration transmitted to the cabin, and help address uneven tire wear or a sloppy front end. The package includes the two arms and related accessories shown, so you get a one-step swap without hunting parts. Expect the benefits of a budget-friendly replacement that fits and functions like the original, though longevity may not match higher-end or OEM units and buyers wanting performance upgrades will need stronger aftermarket options. Installation is straightforward for anyone with basic suspension experience but alignment after fitting is required to ensure correct handling and tire life.
Best for: Cost-conscious owners seeking an affordable, direct-fit replacement to restore steering feel and eliminate front-end noise on their Infiniti G37 without upgrading suspension performance.
Less Ideal for: Drivers looking for heavy-duty or performance-oriented control arms, or those who prefer OEM parts from the factory dealer, should consider other options.
- Sold as a matched left/right pair for one-step replacement
- Includes preinstalled rubber bushings and pre-greased ball joints for easier install and reduced initial noise
- Manufactured to match factory dimensions for straightforward alignment and fitment
- Aluminum construction with corrosion-resistant coating helps resist rust in typical road conditions
- Aftermarket build quality may not match higher-cost premium or OEM control arms
- Designed for factory-spec replacement rather than performance handling upgrades
Verdict A practical, low-cost pair of front upper control arms that restore factory fit and function on the Infiniti G37 but stops short of premium or performance-level durability.
5. A-Premium Front Lower Control Arm with Ball Joint & Bushing
| Position | Front Lower |
|---|---|
| Material | Aluminum |
| Control Arm Bushing Included | Yes |
| Ball Joint Included | Yes |
| Pre-Greased | Yes |
This A-Premium front lower control arm is a direct-replacement style assembly that ships with the ball joint and bushing preinstalled and pre-greased, intended for front lower left and right fitment on specific Infiniti G37 and related models. It is typically used to replace worn or damaged control arms to restore steering geometry and eliminate play or clunking in the front suspension. Notable features include an aluminum construction, corrosion-resistant coating, and included hardware for a more complete install. In real-world use the part can save time because the ball joint and bushings arrive installed and greased, and several buyers report straightforward fitment and good function. However user feedback is mixed: some owners experienced poor tolerances, noisy or failed bushings, and fitment issues that required additional work or replacement with factory-quality parts. Expect potential variability in quality and the possibility of needing an alignment after installation. For risk-averse buyers who prioritize predictable reliability on a G37, this aftermarket arm offers a lower-cost option but may not match factory-standard consistency.
Best for: A mainstream, risk-averse buyer who needs an affordable replacement for a G37 and prefers a ready-to-install assembly to get the car back on the road quickly while accepting some variability in aftermarket quality.
Less Ideal for: Drivers seeking guaranteed factory-equivalent long-term durability or precise tolerances who should consider factory-quality replacements or dealer parts instead.
- Ships with ball joint and bushing preinstalled and pre-greased for faster installation
- Aluminum construction with corrosion-resistant coating to resist surface rust
- Covers both left and right front lower positions for applicable Infiniti models
- Designed to match original mounting points to simplify alignment and fit
- Quality and tolerances appear inconsistent across units based on user reports
- Some users reported premature bushing or ball joint noise and early failure
- A few customers experienced fitment issues that required rework or replacement
Verdict A convenient, lower-cost replacement with preinstalled components that can restore function quickly but may show inconsistent build quality compared with factory parts.
6. TRQ Front Upper Control Arm with Ball Joint — 2‑Piece Set
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Upper |
| Manufacturer | TRQ |
| Quantity | 2 Piece |
This TRQ kit supplies both left and right front upper control arms with preinstalled ball joints intended to replace worn factory parts on an Infiniti G37. Installation is aimed at DIYers and shops: the arms arrive preassembled so they bolt into the factory mounting points without requiring modification, which speeds up the job and reduces labor. Notable features include machined finish components and compatibility confirmation through vehicle-specific fit listings. In use the parts restore front-end stability, reduce play, and can improve steering precision compared with worn originals. Some buyers report excellent durability and a straightforward fit while a minority experienced early noise or wear on ball joints, so longevity may vary with driving conditions. The kit includes common reference numbers for cross-checking fit, and TRQ provides installation videos to help during replacement. Expect a good balance of value and function for routine street use, but monitor the ball joint area after installation for signs of noise or looseness over time.
Best for: Practical optimizers looking for a cost-effective, ready-to-install upper control arm solution to restore handling and eliminate play on an Infiniti G37 while minimizing installation time.
Less Ideal for: Drivers who expect heavy off-road duty or require a guaranteed long-term performance warranty should consider premium or dealer-sourced replacements instead.
- Includes both left and right front upper control arms with ball joints for a complete upper-arm replacement.
- Preinstalled ball joints and vehicle-specific fit reduce installation time and need for extra parts.
- Machined finish and direct-fit design align with factory mounting points for straightforward installation.
- TRQ offers DIY installation videos to guide users through the replacement process.
- Some users have reported premature noise or ball joint failures on a small number of units, so longevity can vary.
- Included hardware may not match original fastener geometry in every case, requiring reuse of factory hardware at times.
Verdict A budget-friendly, ready-to-install front upper control arm kit that restores steering feel on the Infiniti G37 but may show variable long-term wear on ball joints.
7. 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.
Choosing the Right Infiniti G37 Control Arm: Key Factors to Consider
Fitment and Compatibility
Exact fit to the Infiniti G37 mounting points is critical because even small deviations can alter suspension geometry and cause alignment drift. A correctly sized control arm will bolt into existing brackets and accept factory fasteners without modification, preserving intended camber and toe settings.
Poor fitment often leads to additional labor, makes alignment more difficult, and can accelerate uneven tire wear. When evaluating options, prioritize parts with explicit G37 compatibility and clear dimensional information to avoid installation headaches and maintain predictable handling.
Bushing Material and Design
Control arm bushings isolate road noise and provide controlled compliance in the suspension. The material type, whether rubber, polyurethane, or a hybrid design, affects NVH, ride comfort, and longevity. Softer bushings typically offer a smoother ride but may wear faster, while firmer materials improve steering responsiveness at the cost of increased vibration.
Design details such as bonded vs. removable sleeves and internal reinforcements influence serviceability and resistance to bushing collapse. Consider how you prioritize ride comfort versus steering precision when selecting bushing construction.
Ball Joint Quality
Many front control arms integrate a ball joint that connects the arm to the steering knuckle. Ball joint durability matters because a worn joint introduces loose steering, clunks, and uneven tire wear. Look for sealed designs with grease fittings where appropriate, and consider the expected articulation range for road and seasonal conditions.
A robust ball joint minimizes play over time and helps preserve alignment. If the ball joint is replaceable, that can extend overall service life and reduce future replacement cost.
Corrosion Resistance and Finish
Control arms are exposed to road salt, water, and debris, so coatings and material choice affect longevity. Corrosion-resistant finishes, such as powder coat or plated surfaces, slow degradation of mounting points and structural surfaces. Steel construction with quality coatings typically balances strength and cost, while attention to seam welding and drainage points reduces trapped moisture.
Poorly finished parts can develop rust that weakens threads and mounting brackets, complicating future removal. Prioritize parts with documented protective finishes for longer service life in varied climates.
Installation and Serviceability
Ease of installation reduces shop time and the risk of improper assembly. Features that affect serviceability include pre-installed bushings or ball joints, the use of factory-style fasteners, and clear torque specifications. Some arms are designed to accept original hardware while others include replacement bolts and sleeves for a complete swap.
Parts that simplify installation help ensure correct torque and orientation, which in turn reduces alignment issues after the job. Consider whether you will perform the work yourself or rely on a technician when weighing installation-related features.
Impact on Alignment and Handling
Control arms influence camber, caster, and toe settings either directly or by maintaining the intended geometry under load. Stiffer components with tighter bushings can improve steering precision but may transmit more road harshness. Conversely, more compliant arms can mask small alignment errors but may increase tire wear over time.
When selecting an arm, consider how it will affect alignment stability after installation and during use. Parts designed to maintain factory geometry help minimize recurring alignment adjustments and preserve predictable handling.
FAQ
What are common control arm symptoms on an Infiniti G37?
Common symptoms include uneven tire wear, clunking or popping noises when going over bumps, and loose or wandering steering feel. You may also notice increased vibration or a change in wheel alignment that requires frequent correction. These signs often indicate worn bushings or ball joints within the control arm assembly.
How do I tell if a control arm is bad on my Infiniti G37?
Inspect for visible bushing deterioration, torn rubber, excessive play in the ball joint, or bent metal. During a test drive, listen for clunks over bumps and note any steering looseness or pull. A professional inspection can measure play at the ball joint and evaluate bushing movement to confirm the issue.
Can I replace just the bushing or ball joint instead of the entire control arm?
In many cases bushings or ball joints can be replaced separately if the control arm is otherwise straight and undamaged. Replacement may require specialized tools or a press. Choosing partial repairs can save cost, but full-arm replacement is sometimes recommended when corrosion or structural damage is present.
Will a new control arm affect wheel alignment on the Infiniti G37?
Yes, installing a new control arm can change camber and toe settings, so an alignment is often necessary after replacement. Proper fitment and torqueing to specification help minimize alignment drift, but a post-installation alignment check ensures the vehicle tracks and wears tires correctly.
How long do control arm bushings typically last?
Bushing life depends on driving conditions, climate, and material quality. Under normal conditions, bushings often last many years, but exposure to road salt, heavy loads, and frequent potholes shortens life. Regular inspections can catch early signs of wear before they affect handling or cause secondary damage.
Are there safety concerns with driving on a failing control arm?
Driving with a failing control arm increases the risk of reduced steering control, rapid tire wear, and further suspension damage. While short trips might be possible, continuing to drive without addressing pronounced play or broken components raises safety concerns and may lead to more extensive repairs.
How We Chose the Best Infiniti G37 Control Arm
We evaluated control arms based on fitment accuracy, bushing construction, ball joint quality, corrosion resistance, and overall structural design. Fitment accuracy was prioritized because precise mounting points and dimensions determine whether the arm aligns correctly with suspension geometry on the Infiniti G37. Bushing construction was judged for material type and expected wear characteristics, since bushings are the primary isolators of noise and vibration. Ball joint quality was assessed for range of motion and robustness to daily driving loads. Corrosion resistance and surface finish were considered to ensure longevity in varied climates. We also considered design features that affect ease of installation and alignment stability. We excluded parts that lacked clear compatibility documentation for the Infiniti G37, items without verifiable material specs, and components with no track record of durability. The final list focuses on parts that meet compatibility standards and that emphasize durability, maintenance friendliness, and consistent steering geometry.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a control arm for an Infiniti G37, prioritize correct fitment, bushing construction, and ball joint quality to preserve steering precision and suspension geometry. Balance the tradeoff between ride comfort and responsiveness by selecting the bushing material that matches your driving priorities. Also consider corrosion protection and ease of installation to reduce long-term maintenance. After replacement, plan for a professional alignment to ensure the vehicle tracks correctly and to prevent premature tire wear.
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