2-Piece Front Lower Ball Joint Set

Durable Steering and Suspension Refresh for Ford, Mazda, and Mercury SUVs

Restore the tight, responsive steering and original ride quality of your vehicle with this premium 2-Piece Front Lower Ball Joint Set. As the critical pivot points between the control arms and the steering knuckles, ball joints endure constant stress from road impacts and steering maneuvers. Over time, internal wear leads to "clunking" noises over bumps, uneven tire wear, and a "wandering" sensation at highway speeds.

This matched pair is designed for both the Driver (LH) and Passenger (RH) sides, providing a comprehensive solution for your front suspension. Each unit is engineered with high-strength forged housings and precision-machined ball studs to minimize friction and maximize service life. Whether you are daily commuting or navigating light off-road trails, these ball joints ensure your wheels remain properly aligned and securely attached to the chassis.

Fitment Verification and Vehicle Applications

This set is designed for the Front Lower position on the following models. Please verify your specific sub-model and drivetrain options (2WD/4WD) for exact compatibility:

• Ford Escape: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012.

• Mazda Tribute: 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011.

• Mercury Mariner: 2005, 2006, 2007, 2008, 2009, 2010, 2011.

Technical Specifications and Attributes

• Quantity: 2-Piece Set (Left and Right Side).

• Position: Front Lower.

• Material: Heavy-Duty Forged Steel.

• Installation Type: Press-In.

• Hardware Included: New Castle Nuts, Cotter Pins, and Snap Rings.

• Fitment Type: Direct Replacement.

What’s in the Box

• (1) Front Driver Side (LH) Lower Ball Joint

• (1) Front Passenger Side (RH) Lower Ball Joint

• Required Installation Hardware (Snap Rings, Pins, and Nuts)

Industry Cross-Reference Numbers

• MOOG Chassis Products: K80107

• Mevotech Supreme: MK80107

• DIY Solutions: SUS00250, SUS01659

• BMW (Cross-Ref): 31206872888

• Ford: YL8Z3050AA, 5L8Z3050AA

Installation and Technical Tips

• Use a Press Tool: These ball joints are designed to be pressed into the lower control arm. Using a dedicated C-frame ball joint press is highly recommended to ensure the joint is seated squarely without damaging the control arm or the new ball joint housing.

• Snap Ring Seating: After pressing the joint into place, verify that the snap ring is fully clicked into its groove. This ring acts as a vital safety backup to keep the joint secured under extreme suspension articulation.

• Boot Protection: During installation, take care not to pinch the rubber dust boot with the press adapters or the steering knuckle. A small tear in the boot will allow grease to leak and road salt to enter, causing premature joint failure.

• Post-Repair Alignment: Because replacing ball joints affects the geometry of your suspension, it is standard practice to perform a professional four-wheel alignment after installation. This ensures your steering wheel is centered and prevents accelerated tire wear.