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If you own an Infiniti Q50, worn or damaged lower control arms can noticeably affect steering feel, tire wear, and ride comfort. Choosing the right replacement matters because a correct arm restores proper suspension geometry and maintains predictable handling under daily driving loads. This guide presents seven shortlisted lower control arms chosen for fitment accuracy and component longevity, with attention to bushing quality and mounting hardware.Below we explain the evaluation criteria used and highlight practical considerations to help you pick the right unit for your Infiniti Q50.
Looking for other parts? See all Infiniti Q50 parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | TRQ Front Lower Control Arm with Ball Joint Set (2‑Piece) |  |
| Best quality Built to a higher standard if you want something more solid | TRQ 4-Piece Front Control Arm and Ball Joint Set (fits Infiniti Q50) |  |
| Best Value The sweet spot between price and what you get | DriveFix Front Lower Control Arm and Ball Joint Assembly (Pair) for Infiniti Q50 |  |
| Best Budget The cheapest option that still gets the job done reliably | ApplianPar Front Right Lower Control Arm with Ball Joint and Bushing for Infiniti Q50/Q60 |  |
| Highest Rated A top-rated pick with lots of positive feedback | dehateo Front Right Lower Control Arm with Ball Joint for Infiniti Q50/Q60 |  |
| Most popular A crowd favorite that many people choose with confidence | DRIVESTAR Front Lower Control Arm (CAK1357) for Infiniti Q50 and Compatible Models |  |
| Best Seller 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 |  |
1. TRQ Front Lower Control Arm with Ball Joint Set (2‑Piece)
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Lower |
| Material Type | Alloy Steel |
| Unit Count | 2.0 Count |
This TRQ two-piece front lower control arm and ball joint set replaces both driver and passenger lower arms and is intended as a direct-fit, vehicle-specific repair for many Infiniti Q50 and related models. The kit ships with ball joints already pressed in, which speeds up installation and reduces workshop time. Built from alloy steel and finished unfinished, the arms are aimed at restoring steering precision and front-end stability while evening tire wear. TRQ highlights fitment coverage for multiple model years and provides DIY installation videos to support home mechanics. Customer feedback shows consistent fit and improved handling after replacement, though some buyers reported occasional ball-joint failures and the need to swap in aftermarket joints on specific vehicles. Expect a solid factory-replacement feel for most installs, but be prepared to address fasteners like camber or pinch bolts during installation and to replace ball joints if you want a higher-end unit. This kit is practical for routine suspension rebuilds but not a performance upgrade.
Best for: Drivers seeking a balanced, reliable factory-replacement lower control arm solution for Infiniti Q50 maintenance who prioritize correct fit and straightforward installation.
Less Ideal for: Buyers looking for performance-oriented suspension upgrades or a lifetime corrosion-resistant finish should consider specialty or upgraded aftermarket options instead.
- Vehicle-specific direct-fit design for front lower position on Infiniti Q50 and other supported models
- Includes both driver and passenger arms so both sides are renewed at once
- Preinstalled ball joints reduce installation time compared with separate components
- Alloy steel construction gives solid, factory-replacement durability
- TRQ supplies DIY installation videos and wide fitment information to simplify repair
- Some users reported premature ball-joint failures requiring replacement
- Arms arrive unfinished so additional corrosion protection may be desired by owners
Verdict: A practical, vehicle-specific two-piece lower control arm kit that restores front-end stability with easy installation support.
2. TRQ 4-Piece Front Control Arm and Ball Joint Set (fits Infiniti Q50)
| Fitment | Infiniti Q50 2014-2022 Rear Wheel Drive Front |
|---|---|
| Quantity | 4 Piece |
| Position | Front |
| Exterior | Machined |
This TRQ four-piece front control arm and ball joint kit supplies both upper and lower control arms with preinstalled ball joints designed to fit Infiniti Q50 models. It is used as a direct replacement to restore front suspension geometry, tighten steering response, and reduce uneven tire wear after worn arm failure. Notable features include preassembled ball joints to speed installation, machined exterior finish, and vehicle-specific fitment that aligns with factory mounting points. In practical use the kit simplifies a full-front-arm refresh and reduces shop time because the components arrive ready to bolt in and are intended to match factory attachment locations. Customers report firmer, more precise steering and improved ride stability once installed. Limitations to consider are variable long-term durability reports in some reviews and the occasional need to reuse factory hardware for correct cotter pin alignment, which may add a small step during installation. Professional alignment after installation is recommended to fully restore handling and tire life.
Best for: Performance-oriented buyers who prioritize restoring or improving front-end responsiveness and steering precision on their Infiniti Q50, and who want a ready-to-install replacement set to get back on the road quickly.
Less Ideal for: Buyers seeking a lifetime or heavy-duty motorsport solution should consider specialty performance control arms or strengthened aftermarket options rather than a direct-fit replacement set.
- Preassembled ball joints reduce installation time and complexity
- Vehicle-specific design intended to match factory mounting points for easier fit
- Includes both upper and lower arms so the front suspension is renewed as a set
- Machined exterior finish and solid-looking construction improve perceived quality
- Some reviewers report premature wear or noise on long-term use in a minority of cases
- May require reusing certain factory fasteners to preserve cotter-pin function during assembly
Verdict: A ready-to-install, vehicle-specific four-piece control arm kit that tightens Q50 front-end handling but has mixed long-term durability reports.
3. DriveFix Front Lower Control Arm and Ball Joint Assembly (Pair) for Infiniti Q50
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Left Lower, Front Right Lower |
| Unit Count | 2.0 Count |
| Material | Alloy Steel, Aluminum, Cast Iron, Stainless Steel |
These DriveFix front lower control arm and ball joint assemblies replace the left and right lower front suspension arms on Infiniti Q50 RWD models. Each assembly ships with preinstalled ball joints and bushings so installation is straightforward for a shop or competent DIYer replacing worn front suspension components. The kit is made from mixed metals including alloy steel and cast components with a painted exterior to resist corrosion. Functionally it restores factory-style suspension geometry and steering response, and supplying both left and right arms together helps ensure even wear and easier alignment afterward. Limitations to note are that the listing is specific to rear-wheel-drive Q50s only and the parts are aftermarket replacements rather than factory-sourced units, so fitment checks and alignment are still recommended after installation. For owners prioritizing value, this pair provides a cost-effective way to renew front suspension components in one job.
Best for: Practical optimizers who want a budget-conscious, complete front lower control arm replacement for an Infiniti Q50 RWD and prefer to replace both sides together to restore handling without overspending.
Less Ideal for: Buyers seeking a factory-sourced or brand OEM replacement or those with all-wheel-drive Q50s should consider other options.
- Sold as a matched pair for left and right lower front suspension to simplify replacement and alignment
- Includes preinstalled ball joints and bushings to reduce installation time
- Constructed from mixed metals with painted exterior for basic corrosion resistance
- Vehicle-specific fit for Infiniti Q50 RWD models, reducing fitment guesswork
- Aftermarket part rather than factory-quality OEM unit, so final fit and finish may vary
- Compatible only with RWD Q50 configurations and not for AWD models
Verdict: A cost-effective matched pair of front lower control arm assemblies that restores steering and suspension function on Infiniti Q50 RWDs while keeping repair costs down.
4. ApplianPar Front Right Lower Control Arm with Ball Joint and Bushing for Infiniti Q50/Q60
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front |
| Material Type | Alloy Steel, Aluminum |
| Unit Count | 1.0 Count |
This ApplianPar front right lower control arm replaces the factory unit on selected Infiniti Q50 and Q60 model years and includes a pressed-in ball joint and bushing for a one-piece swap. It is typically used when the original control arm shows wear, torn bushings, or a failing ball joint that causes noise, uneven tire wear, or loose steering. Constructed from alloy steel and aluminum, the part aims to match the factory mounting points for a straightforward bolt-in installation using existing hardware. For budget-focused repairs it offers a cost-effective path to restore suspension geometry and steering feel without replacing multiple components. Limitations include a single-count listing for the right side only, so buyers replacing both sides must purchase an additional unit, and fitment is limited to the specified Infiniti model years. Expect the part to perform as a practical, lower-cost replacement rather than a performance upgrade for aggressive driving or track use.
Best for: Budget-conscious Infiniti owners who want a straightforward, lower-cost repair to restore steering stability and suspension alignment on Q50 or Q60 models without premium aftermarket upgrades.
Less Ideal for: Drivers seeking performance-oriented suspension parts or those who need heavy-duty components for racing or off-road use should choose upgraded control arms instead.
- Vehicle-specific fit for Infiniti Q50 (2014-2020) and Q60 (2017-2020) simplifies installation
- Includes ball joint and bushing as an assembled unit for a single replacement part
- Made from alloy steel and aluminum for corrosion resistance and structural strength
- Matches factory mounting orientation for a direct bolt-in swap
- Sold as a single right-side unit so both sides require separate purchases
- Not positioned as a performance or heavy-duty upgrade for demanding use
Verdict: A budget-friendly, vehicle-specific front right lower control arm that restores factory-style suspension fitment with an assembled ball joint and bushing.
5. dehateo Front Right Lower Control Arm with Ball Joint for Infiniti Q50/Q60
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Right Lower |
| Material | Iron |
| Manufacturer Part Number | USNZUGO1X-1021#1414 |
This front right lower control arm with integrated ball joint is built as a direct replacement for the factory unit on Infiniti Q50 (2014–2020) and Q60 (2017–2020). It is intended to be used as a one-step repair for worn suspension on the passenger side, delivering a rigid iron construction and machined exterior that match factory geometry for straightforward installation and alignment. The assembly includes rubber bushings to reduce vibration and a stemless ball joint design for compatibility with the listed Infiniti part numbers. In practice the stronger iron construction should improve durability under everyday driving and repeated road impacts, while the factory-spec fit helps avoid extra alignment work. Limitations include that this listing is for the front right lower arm only and buyers replacing both sides will need a matching left-side part, and installation may still require standard suspension tools and alignment after fitment.
Best for: Reliability-focused owners who prioritize restoring factory suspension geometry and durability with a direct-fit replacement for routine repair and long-term serviceability.
Less Ideal for: Buyers seeking a complete suspension overhaul or performance-tuned aftermarket arms should consider multi-piece kits or upgraded performance control arms instead of this single replacement unit.
- Vehicle-specific fit for Infiniti Q50/Q60 matching listed factory part numbers
- Integrated ball joint and rubber bushings reduce vibration and simplify replacement
- Iron construction and machined exterior for increased structural strength and durability
- Manufactured to original specifications to aid correct alignment and easier installation
- Sold as a single passenger-side unit so replacing both sides requires separate purchases
- Stemless ball joint design may differ from some workshop expectations during installation
Verdict: A solid, factory-fit passenger-side lower control arm built for durability and easy replacement on Infiniti Q50 and Q60 vehicles.
6. 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.
7. 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.
Choosing the Right Infiniti Q50 Lower Control Arm: Key Factors to Consider
Fitment and Mounting Points
Exact fitment to the Infiniti Q50 mounting points ensures the suspension geometry remains within factory tolerances. An arm that matches bolt hole spacing, orientation, and mounting bracket dimensions reduces installation time and avoids the need for modifications.
Poor fitment can lead to misaligned suspension, uneven tire wear, and unpredictable handling. Verify that replacement arms are listed specifically for the Q50 and that they include any required brackets or shims to replicate the original mounting configuration.
Bushing Material and Design
Bushing material affects vibration isolation, noise transmission, and longevity. Softer rubber bushings absorb road harshness but can degrade faster, while polyurethane options resist wear and offer firmer control at the cost of increased noise transfer.
Consider the typical driving environment: city drivers may prefer quieter, more compliant bushings, while drivers seeking sharper response may choose firmer materials. Also check whether bushings are bonded or removable, as bonded designs can offer more precise control but complicate future replacement.
Ball Joint Quality and Sealing
Some lower control arms integrate ball joints that carry steering and suspension loads. Ball joint construction, including stud size, taper, and seal integrity, determines longevity and play-free operation. A well-sealed ball joint resists contamination from water and road salt, extending service life.
Loose or poorly sealed ball joints lead to clunking, uneven tire wear, and compromised steering. If an arm includes a replaceable ball joint, that can simplify future maintenance compared with permanently pressed-in joints.
Corrosion Resistance and Finish
Control arms are exposed to road spray, salt, and debris, so coatings and material choices matter for long-term durability. Protective finishes such as epoxy coatings, powder coats, or galvanization slow rust formation and preserve structural integrity.
Arms with minimal surface protection may look fine initially but can develop corrosion at welds and mounting holes, weakening the component over time. Choose an option with documented corrosion-resistant treatment to reduce the risk of premature failure.
Included Hardware and Ease of Installation
Complete kits that include new mounting bolts, nuts, and alignment shims reduce install time and eliminate the need to source compatible fasteners. Proper hardware ensures torque specs can be met and reduces the risk of loose connections.
Consider whether the arm requires press-fit bushings or ball joint installation tools. Options designed for bolt-in replacement are generally faster and simpler to install, which can reduce labor time when servicing an Infiniti Q50.
Load Ratings and Warranty Coverage
Specifications that state load capacity, fatigue testing, or performance standards give insight into an arm's expected durability under normal driving loads. Look for parts that reference testing protocols or material grades to assess build quality.
Warranty terms indicate the manufacturer's confidence and provide recourse if premature failure occurs. A longer or more comprehensive warranty can justify choosing a part with demonstrable construction details and tested specifications.
How We Chose the Best Infiniti Q50 Lower Control Arm
We focused on components designed specifically for the Infiniti Q50 that meet factory fitment dimensions and mounting points. Primary evaluation criteria included fitment precision, bushing material and construction, ball joint quality if applicable, and corrosion resistance of the arm itself. We also considered the availability of full mounting hardware, warranty coverage, and the arm's load ratings where provided. Durability under common driving conditions and compatibility with factory suspension alignment specs were essential filters.We excluded universal or adjustable arms that do not match the Q50 factory geometry and any options lacking clear specification data. Entries that relied on vague claims without documented material or dimensional information were also removed. The result is a concise list of seven options that prioritize correct fit, durable bushings, and long-term reliability for the Infiniti Q50.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I know if my Infiniti Q50 lower control arm needs replacing?
Common signs include unusual clunking over bumps, uneven tire wear, wandering steering, or a loose feeling in the front end. You may also notice visible play when the suspension is jacked and the wheel moved by hand. If you observe these symptoms, an inspection focusing on bushings and ball joint play usually clarifies whether the arm is worn.
Can I replace just the bushings instead of the entire control arm?
In some cases bushings can be replaced independently, but feasibility depends on whether the arm is designed for removable bushings and on available tools. Press-fit or bonded bushings often require specialized equipment, so replacing the entire arm can be more practical and ensures correct alignment geometry for the Infiniti Q50.
Will a new lower control arm affect wheel alignment?
Replacing a lower control arm can change suspension geometry and typically requires a wheel alignment afterward. New parts can shift caster, camber, or toe settings, so a post-install alignment is recommended to restore proper tire wear and handling characteristics.
Are aftermarket lower control arms reliable for everyday driving?
Many aftermarket arms are engineered to meet or exceed factory specifications and perform well for daily use. Reliability often depends on material quality, bushing construction, and proper installation. Choose options with clear specifications and a solid warranty to improve the likelihood of long-term reliability.
What maintenance helps extend the life of lower control arms?
Regular visual inspections for corrosion, torn bushings, or ball joint boot damage help catch issues early. Avoid prolonged exposure to corrosive elements when possible and address suspension noises promptly. Proper wheel alignment and torqueing of mounting hardware after any suspension work also support longer service life.
Conclusion
When choosing a lower control arm for the Infiniti Q50, prioritize correct fitment to factory mounting points and durable bushing construction to preserve steering feel and tire wear. Consider ball joint quality, corrosion protection, and whether the kit includes new hardware to simplify installation.Weigh the tradeoffs between quieter, softer bushings and firmer options that improve responsiveness. A post-install alignment and periodic inspections will help ensure the replacement delivers predictable handling and long service life.
Explore More:
- Check out all Infiniti Q50 parts & accessories
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