Mevotech Supreme Suspension Ball Joint P/N:MS50590
Keep your rear suspension pivoting tightly and predictably with the Mevotech Supreme Suspension Ball Joint MK6257 — a direct-fit Buick Century ball joint that also installs on the 1995-1996 Buick Century, 1995-1996 Oldsmobile Cutlass Ciera and 1984-1987 Pontiac Fiero. This is the rear lower ball joint, the pivoting joint that links the suspension to the knuckle and lets the arm articulate as the wheel moves.
Backed by extensive in-house and third-party durability testing. If a worn rear lower ball joint is the source of clunking, looseness or uneven tire wear, this unit replaces it.
Interchange: 19290889 · BGK6257 · B6257 · FA1146 · K6257 · 17983075 · IK6257 · 1K6257 · GK6257 · 106257 · 30014025 · 10236 · SK6257 · X56BJ0068 · 104258
This part cross-references / interchanges with the following part numbers:
What does this suspension ball joint do?
It is the pivoting joint connecting the suspension to the knuckle, letting the arm articulate as the wheel moves while helping locate the wheel. This is the rear lower ball joint (MK6257).
Will this fit my Buick Century?
Yes — MK6257 is a direct fit for the 1995-1996 Buick Century, 1995-1996 Oldsmobile Cutlass Ciera and 1984-1987 Pontiac Fiero. See the Buyer's Guide tab to confirm your exact vehicle.
Are the mounting fasteners included?
Yes. Mevotech provides an application-specific pinch bolt and locking nut with this ball joint to make the installation faster.
Can this ball joint be greased?
Yes. It includes a 90-degree SAE grease fitting, so you can re-lubricate the joint during routine service.
What are the signs this ball joint may need replacing?
Clunking or knocking from the suspension, a loose or wandering feel, and uneven tire wear can all be signs. Have the cause diagnosed, since these symptoms may have other sources.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.