Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.
Replacing a worn ball joint can dramatically affect steering feel, tire wear, and overall driving safety on a Lincoln MKX. You want parts that fit precisely and hold up under real-world driving conditions. This guide highlights our top shortlisted ball joint options for the Lincoln MKX, chosen for their fitment reliability and build quality. We evaluated each option for installation compatibility, materials quality, and expected service life. Continue below to see the best options and the criteria we used to narrow the field.
Looking for other parts? See all Lincoln MKX parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Metrix Premium Chassis Parts Front Left & Right Lower Control Arm w/ Ball Joint Kit |  |
| Most Popular A crowd favorite that many people choose with confidence | TRQ Front Lower Control Arm with Ball Joint Set (2-piece) |  |
| Best Quality Built to a higher standard if you want something more solid | Detroit Axle Front Steering Knuckles & Lower Control Arms 4‑Piece Kit for Lincoln MKX (2007–2010) |  |
| Best Budget The cheapest option that still gets the job done reliably | MOOG RK620487 Front Left Lower Control Arm with Ball Joint |  |
| Most Sold A high-volume bestseller chosen again and again | SCITOO 8‑Piece Front Suspension Control Arm and Steering Kit for Ford Edge / Lincoln MKX (2007–2014) |  |
| Best Value for Money The sweet spot between price and what you get | TRQ Front Right Lower Control Arm with Ball Joint for Lincoln MKX (Passenger Side) |  |
| Best Overall The best all-around choice for most situations | Detroit Axle Front Lower Suspension Kit with Ball Joints and Tie Rods |  |
1. Metrix Premium Chassis Parts Front Left & Right Lower Control Arm w/ Ball Joint Kit
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Lower |
| Material Type | Carbon Steel |
| Manufacturer Part Number | 99748MT |
This Metrix kit supplies both left and right front lower control arm assemblies with integrated ball joints made as direct replacements for the 2007–2015 Lincoln MKX. The parts arrive pre-greased and ready to install, so they are used to replace worn control arms that cause clunks, uneven tire wear, or loose steering feel. Constructed from steel and produced to meet industry quality certifications, the assemblies aim to match factory fit and geometry for straightforward swap-in installation. Customers report solid fitment and improved front-end stability after installation. The package covers both sides and includes bushings and ball joints assembled, which reduces installation time compared with buying components separately. Limitations to consider are that the ball joints are non-serviceable and the arms are a full assembly rather than a rebuildable component, so future wear requires replacing the entire arm. Also this is a direct replacement option rather than an upgraded performance arm, so it focuses on restoring factory handling rather than changing suspension characteristics.
Best for: A practical optimizer looking to restore factory steering and suspension performance on a Lincoln MKX without overspending, prioritizing direct-fit replacements and minimal installation fuss.
Less Ideal for: Drivers seeking heavy-duty or performance-tuned suspension upgrades for aggressive driving or off-road use should consider aftermarket performance arms instead.
- Vehicle-specific fit for Lincoln MKX years 2007–2015 for straightforward replacement
- Ships as left and right assembled control arms with ball joints, reducing install time
- Pre-greased ball joints for initial smooth operation and less immediate maintenance
- Manufactured to industry quality standards intended to match factory fit and performance
- Ball joints are non-serviceable so worn joints require replacing the entire arm assembly
- Not a performance upgrade—designed to restore factory handling rather than improve it
Verdict A cost-conscious, vehicle-specific replacement that restores factory front suspension feel on Lincoln MKX models while keeping installation simple.
2. TRQ Front Lower Control Arm with Ball Joint Set (2-piece)
| Fitment | Lincoln MKX 2007-2015 (front lower) |
|---|---|
| Quantity | 2 Piece set (driver & passenger) |
| Position | Front lower control arms with ball joints |
| Exterior | Machined |
| Manufacturer | TRQ |
This TRQ two-piece front lower control arm set replaces both left and right lower control arms and ships with the ball joints already installed, so it is meant as a direct factory-quality replacement for the Lincoln MKX it is listed to fit. Typical use is a front suspension rebuild or when worn control arms and ball joints cause looseness, vibration, uneven tire wear, or poor steering feel. Notable points are the pre-assembled ball joints that cut installation time and TRQ's extensive DIY video resources to guide home mechanics. In practice the parts restore steering responsiveness and ride stability when fitted and aligned, and many buyers report an OEM-like fit and solid welds. Limitations to note are mixed longevity reports in some reviews where a small number of users experienced early noise or failure, so professional installation and correct torqueing plus post-install alignment are important. This kit does not include hardware like new caster bolts and buyers should verify exact year fitment for the Lincoln MKX before installing.
Best for: A convenience-driven buyer who wants a ready-to-install, vehicle-specific replacement that shortens shop time and simplifies a front suspension repair on a Lincoln MKX.
Less Ideal for: Drivers seeking a heavy-duty or performance-upgraded suspension solution for aggressive off-road use should consider purpose-built aftermarket arms instead.
- Includes both driver and passenger front lower control arms with ball joints preinstalled for faster installation.
- Vehicle-specific fit for the Lincoln MKX years listed, intended to match factory mounting points without modification.
- Pre-assembled design reduces labor and eliminates separate ball-joint press work.
- Manufacturer provides step-by-step DIY videos to help independent installers.
- Machined exterior and robust construction aim to restore steering stability and reduce vibration.
- Some user reports indicate premature noise or ball-joint failure in a minority of cases.
- Kit does not include replacement mounting hardware such as caster bolts or nuts.
- Longevity can vary with driving conditions so lifespan is not guaranteed for heavy off-road use.
Verdict If you want a convenient, direct-fit replacement for worn front lower control arms on a Lincoln MKX, this TRQ kit saves installation time with preinstalled ball joints, though a few users report durability variability.
3. Detroit Axle Front Steering Knuckles & Lower Control Arms 4‑Piece Kit for Lincoln MKX (2007–2010)
| Fit Type | Vehicle Specific |
|---|---|
| Auto Part Position | Front |
| Part Interchange Info | KA055 KA056 K620487 K620486 |
| Unit Count | 4.0 Count |
This Detroit Axle kit supplies both front steering knuckles with pre-assembled wheel hub bearings and the two lower control arms with ball joints engineered to replace worn factory components on the 2007–2010 Lincoln MKX. The knuckles arrive fully assembled so no hub press is required, which makes installation straightforward for a competent DIYer or a shop; everything needed for the swap is included. Detroit Axle highlights corrosion-resistant electrocoating and bearing steel for the hubs, and the assemblies are designed to support vehicle weight and restore handling stability. That means improved steering feel, reduced shimmy, and a return to factory-aligned geometry after installation. The kit aims for factory-spec fit and function, and comes backed by a long warranty. Note that longevity depends on driving conditions and maintenance, and occasional reports show packaging or shipping errors that require customer service for part replacement. Expect professional alignment after fitting to optimize tire wear and handling.
Best for: Performance-oriented buyers focused on restoring sharp steering and handling on a 2007–2010 Lincoln MKX who prioritize factory-quality fit and straightforward installation.
Less Ideal for: Buyers seeking a cosmetic upgrade or lightweight aftermarket performance pieces should look elsewhere, and those who prefer factory dealer parts for warranty or service continuity may prefer dealer-sourced replacements.
- Complete front kit includes both driver and passenger steering knuckles with hub bearings plus both lower control arms with ball joints for a full-front replacement.
- Pre-assembled wheel hub bearings eliminate the need for a hub press and simplify installation.
- Electrocoated knuckles and high-quality bearing steel improve corrosion resistance compared with bare cast parts.
- Designed to restore factory handling and reduce body shake by supporting correct wheel alignment and steering geometry.
- Durability will vary with driving conditions and cannot be guaranteed despite testing and warranty.
- Some buyers reported receiving incorrect parts in rare packaging or fulfillment errors requiring replacements.
- Ball joints and bushings are supplied but long-term wear life may differ from OEM depending on use and maintenance.
Verdict A full-front, factory-style replacement kit that restores steering stability and simplifies installation for 2007–2010 Lincoln MKX owners seeking performance-focused handling.
4. MOOG RK620487 Front Left Lower Control Arm with Ball Joint
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front |
| Material Type | Alloy Steel, Iron |
| Unit Count | 1.0 Count |
This MOOG front left lower control arm with integrated ball joint is a direct-fit replacement intended for Lincoln MKX models from the specified fitment years. It replaces a worn control arm and lower ball joint to restore steering response and suspension geometry, helping reduce uneven tire wear and steering play. The part is engineered for added structural strength and corrosion protection, and arrives as a single assembly that aims to simplify installation compared with separate component replacements. In practice this means a quicker repair when the lower arm or ball joint is failing and a factory-quality mounting location is preserved. Limitations to expect include occasional fitment inconsistencies reported by installers and some failures over extended use, so careful verification of bolt alignment and hardware compatibility during installation is recommended. This unit is a practical budget-focused option for MKX owners who need a replacement lower control arm and ball joint in one piece rather than separate components.
Best for: Budget-conscious Lincoln MKX owners who prioritize a lower-cost repair and faster installation by replacing the lower control arm and ball joint together.
Less Ideal for: Owners seeking exact factory-spec reproduction or professional restorations where absolute OEM hardware compatibility is required should consider higher-end or dealer-sourced options.
- Direct-fit assembly that replaces the lower control arm and ball joint in one unit for faster repair
- Engineered for enhanced structural strength to handle road impacts and repeated loads
- Corrosion-resistant coatings on studs to extend service life compared with untreated parts
- Some users report dimensional or hardware differences that required modification or prevented bolt-up without changes
- There are reports of premature ball joint failure on a minority of units under real-world use
Verdict A cost-focused, direct-fit lower control arm with integrated ball joint that simplifies replacement for Lincoln MKX owners but may need careful fit verification during installation.
5. SCITOO 8‑Piece Front Suspension Control Arm and Steering Kit for Ford Edge / Lincoln MKX (2007–2014)
| Fit Type | Vehicle Specific Fit |
|---|---|
| Auto Part Position | Front Lower |
| Material | Alloy Steel, Stainless Steel |
| Unit Count | 8.0 Count |
This SCITOO eight-piece front suspension kit supplies the main chassis components you need to refresh the front end on a 2007–2014 Lincoln MKX: lower control arms with ball joints, inner and outer tie rod ends, and sway bar end links. The parts arrive fully assembled and coated for corrosion resistance, which makes them ready for direct replacement during a workshop service. In practical use the kit restores steering feel and chassis stability by replacing multiple wear items at once, so you avoid mixing old and new components. Notable features include vehicle-specific fitment, forged steel construction, and supplied alternates to common factory part numbers for easier matching. Limitations are that the kit targets the front lower position only and professional installation is recommended to ensure alignment and safe operation. Also this bundle does not include alignment or additional suspension hardware like ball joint press adapters.
Best for: Risk-averse mainstream buyers who prefer a single, vehicle-specific kit to restore front-end steering and stability on a Lincoln MKX without sourcing parts individually.
Less Ideal for: Shoppers who want only one replacement part at a time, do their own press-fit suspension work, or need rear suspension components should consider alternatives.
- Comprehensive eight-piece kit replaces multiple front suspension and steering wear items at once
- Forged alloy/stainless steel construction with electrophoretic coating for corrosion resistance
- Supplied parts arrive fully assembled and ready for direct replacement
- Vehicle-specific fitment for 2007–2014 Lincoln MKX improves compatibility with factory mounting points
- Requires professional installation and post-installation wheel alignment
- Covers front lower suspension components only and excludes related hardware or tools
Verdict A convenient, vehicle-specific front suspension kit that replaces multiple wear items at once to restore steering and chassis stability on 2007–2014 Lincoln MKX models.
6. TRQ Front Right Lower Control Arm with Ball Joint for Lincoln MKX (Passenger Side)
| Fitment | Front Passenger Lower for Lincoln MKX 2007-2015 |
|---|---|
| Material | Alloy Steel |
| Ball Joint Mounting Type | Press In |
| Greaseable | No |
This TRQ front right lower control arm comes pre-assembled with a press-in ball joint and bushings to replace the factory passenger-side lower arm on Lincoln MKX models. Installation is typical for a suspension arm swap: unbolt the old arm, press out or remove the old ball joint if necessary, then bolt the TRQ arm into place. Notable features include a machined alloy steel construction and pre-installed components that cut install time and reduce the need for special tools. In practice the part firms up steering, reduces clunking, and returns proper wheel alignment when paired with a professional alignment after install. Some units show variability in long-term durability across user reports, so while initial fit and finish are strong the ball joint life may depend on driving conditions. The part is not greaseable and the ball joint is press-fit, so future joint replacement requires removal and replacement rather than easy resealing. For do-it-yourselfers and shops replacing a failed lower arm on a Lincoln MKX, this offers a near-factory fit at a lower cost but plan for alignment and occasional monitoring of the joint over time.
Best for: Practical optimizers who want a low-cost, direct-fit replacement that minimizes shop hours and gets a Lincoln MKX back to safe, predictable handling without chasing dealer pricing.
Less Ideal for: Drivers seeking a fully serviceable ball joint solution or a heavy-duty upgrade for frequent off-road or extreme-load driving should consider other suspension options.
- Pre-assembled with ball joint and bushings to reduce installation time.
- Alloy steel construction with machined exterior for a factory-quality fit.
- Vehicle-specific fitment for Lincoln MKX passenger-side front lower arm.
- Includes reference OE part numbers to aid confirmation of compatibility.
- Ball joint is press-in and non-greaseable, so servicing requires joint replacement rather than simple re-greasing.
- Some variability in long-term durability reported by users under heavy use.
Verdict A practical, near-factory replacement that saves money and installation time for Lincoln MKX owners, but expect a non-serviceable press-in ball joint and monitor long-term wear.
7. Detroit Axle Front Lower Suspension Kit with Ball Joints and Tie Rods
| Fit Type | Vehicle Specific |
|---|---|
| Auto Part Position | Front Lower |
| Material Type | Alloy Steel, Cast Iron |
| Unit Count | 6.0 Count |
This Detroit Axle kit bundles two front lower control arms with integrated ball joints, two outer tie rod ends, and two sway bar end links to provide a complete front-end refresh for a Lincoln MKX. It is designed for direct replacement use and is typically installed when worn ball joints, tie rods, or sway bar links cause steering play, uneven tire wear, or a clunky ride. The components are made from alloy steel and cast iron and arrive preassembled where applicable so installation is straightforward for a home mechanic or shop. Buyers will appreciate the convenience of replacing multiple wear items at once and the 10-year manufacturer warranty adds confidence. Some customers report minor fitment differences in fastener sizes and occasional missing small hardware, so you should have a basic socket set and a few spare washers on hand. Build quality appears solid for a value-focused aftermarket kit, but a handful of reports cite premature rubber bushing wear on long-term units, so routine inspection after installation is wise.
Best for: Balanced buyers who want a practical, one-stop front suspension refresh for their Lincoln MKX and value parts that make a straightforward DIY or shop install easier.
Less Ideal for: Drivers seeking a long-term performance upgrade or fully OEM-spec restoration should consider higher-end or factory-direct parts instead.
- Complete 6-piece kit replaces ball joints, tie rods, and sway bar links in one purchase
- Preassembled lower control arms with integrated ball joints simplify installation
- Made from alloy steel and cast iron for robust basic strength
- Vehicle-specific fitment reduces the need for modification during install
- Some users report mismatched fastener wrench sizes compared with factory hardware
- A minority of reviews describe premature cracking of rubber components over time
- Occasional missing small hardware like washers or grease fittings reported
Verdict A convenient, budget-friendly complete front suspension kit for the Lincoln MKX that simplifies replacing worn ball joints and related components, though higher-end options may last longer.
Choosing the Right Lincoln MKX Ball Joint: Key Factors to Consider
Fitment and Vehicle Specificity
Correct fitment is essential because ball joints control steering pivot points and suspension geometry. A part that matches the Lincoln MKX's specifications will maintain proper alignment and reduce premature tire wear. Ensure the replacement lists exact year and model compatibility and includes any vehicle-specific mounting features. Differences in stud length, taper angle, or housing shape can affect installation and performance. Choosing a ball joint designed for the Lincoln MKX limits the need for aftermarket modifications and reduces installation time. Properly fitting parts also preserve factory handling characteristics and vehicle safety margins.
Construction and Materials
The internal bearing, stud material, and housing metallurgy determine durability under load and repeated articulation. Hardened steel studs resist bending and fatigue while properly sized bearing surfaces reduce localized wear. A robust housing resists deformation under cornering and braking forces. Look for components with durable grease paths and reinforced seals to keep contaminants out. Better materials translate to longer service life and lower likelihood of failure during high-stress situations. Solid construction also tends to resist the kinds of loosening or play that lead to steering wander.
Sealing and Corrosion Protection
Effective seals and corrosion-resistant finishes are vital for longevity, particularly in climates with road salt or heavy moisture. Good seals prevent dirt and water from entering the bearing area, which slows wear and avoids premature failure. Corrosion-resistant coatings on the stud and housing reduce pitting and make future removal easier. Some designs include grease fittings or factory-packed grease that helps maintain lubrication over time. Prioritizing sealing and protection helps the ball joint retain smooth movement and reduces the frequency of replacement.
Mounting Style and Installation Method
Ball joints can be serviceable or sealed, press-fit or bolt-in, and these differences affect installation complexity. Press-fit joints often require a press or specialized tools to remove and install, while bolt-in styles can be faster and less tool-intensive. Consider what tools you have and whether you plan to have a shop perform the work. Installation method also affects the likelihood of needing additional parts, such as retaining clips or new nuts. Choosing the appropriate mounting style can lower labor time and reduce the risk of damage during installation.
Load Capacity and Service Duty
Ball joints support steering and suspension loads, so they must handle the forces from braking, cornering, and road impacts without excessive wear. Parts designed for heavier duty or with higher load ratings will typically last longer on vehicles used for towing, carrying heavy cargo, or frequent highway driving. Consider expected driving conditions when selecting a joint. Heavier-duty options may cost more but reduce downtime and the need for repeated replacements in demanding use cases.
Warranty and Support
Warranty terms provide insight into the manufacturer's confidence in the part and offer protection if premature failure occurs. Longer or more comprehensive warranties reduce the risk associated with a replacement and can indicate stricter quality control. Also consider availability of technical documentation and customer support for installation questions or fitment clarifications. A clear warranty and accessible support make it easier to address issues post-installation and can reduce overall ownership uncertainty.
FAQ
How can I tell if a Lincoln MKX ball joint is failing?
Common signs include clunking noises over bumps, uneven tire wear, and a looseness or wander in steering. You may also feel vibration through the steering wheel at certain speeds. A visual inspection can reveal torn seals, excessive play, or grease leakage, but some wear is only apparent when the joint is under load.
Can I replace a Lincoln MKX ball joint myself?
Replacing a ball joint can be a DIY job if you have mechanical experience and the right tools. Press-fit joints often require a ball joint press or hydraulic press, while bolt-in styles are typically easier. If you lack tools or experience with suspension work, professional installation is usually safer and ensures proper alignment afterward.
Should I replace front lower ball joint and upper ball joint at the same time?
It often makes sense to assess both at the same time because joints on the same control arm can wear similarly. Replacing multiple worn components together can restore consistent steering geometry and reduce labor duplication. However, whether to replace both depends on their measured wear and overall condition.
How long do ball joints usually last on a Lincoln MKX?
Service life depends on driving conditions, maintenance, and seal quality. In typical driving, ball joints can last many years, but exposure to rough roads, moisture, and contaminants shortens lifespan. Regular inspections and prompt attention to symptoms help avoid sudden failures.
Do I need special tools like a ball joint press tool to replace a ball joint?
A ball joint press tool is commonly required for press-fit joints to remove and install the component safely. For bolt-in styles, common hand tools may suffice. Having the correct tools reduces the risk of damaging control arms or the new joint during installation.
Will worn ball joints cause wheel vibration on my Lincoln MKX?
Worn or loose ball joints can contribute to wheel vibration, particularly if they allow excessive movement at the steering pivot. Vibration may also stem from other suspension or tire issues, so a full inspection helps identify the root cause before replacing components.
How We Chose the Best Lincoln MKX Ball Joint
We focused on criteria that matter specifically for Lincoln MKX ball joints and for owners who expect reliable steering response and durable suspension components. Primary filters included exact vehicle fitment and OE-equivalent dimensions to ensure proper steering geometry. We assessed material and manufacturing quality, including housing strength and bearing construction, which affect long-term durability and resistance to wear. Corrosion protection and sealing design were considered to reduce moisture intrusion and extend service life. Ease of installation, including whether press-fit or bolt-on procedures are used, was evaluated because it impacts labor time and tool needs. Warranty coverage and documented longevity informed expectations about reliability. We excluded items without clear Lincoln MKX-specific fit data, universal or multi-vehicle parts that lacked exact match specifications, and products with insufficient technical documentation. The final list prioritizes accurate fit, robust construction, corrosion resistance, installation practicality, and proven longevity.
Our full evaluation process is outlined in our review methodology.
Conclusion
Prioritize exact Lincoln MKX fitment, solid construction, and robust sealing when choosing a replacement ball joint. Consider mounting style and the tools required for installation, since these affect labor and the risk of damage during fitment. Balance expected driving conditions with load capacity and warranty coverage to select a part that minimizes downtime and maintains safe steering control.
Explore More:
- Check out all Lincoln MKX parts & accessories
- Explore Ball Joints Maintenance & Repair Guides
- Explore Suspension & Steering
- Browse all Auto Parts
