MOOG K9139 Ball Joint Fits select: 1976-1991 MERCEDES-BENZ 300, 1986-1991 MERCEDES-BENZ 420

Backed by superior materials and rigorous testing, MOOG ball joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

PROBLEM SOLVER GUSHER BEARING -- Metal-to-metal design provides strength and allows grease to flow through bearing surface for reduced friction and long life STRONG AND DURABLE -- Ball studs are heat treated to match or exceed OE requirements to inhibit premature failure and improve fatigue strength STRONG AND DURABLE -- Ball studs are heat treated to match or exceed OE requirements to inhibit premature failure and improve fatigue strength KEEPS DIRT AND WATER OUT -- Pre-installed dust boot shields socket components from wear-causing contaminants ABSORBS IMPACT -- Belleville preload washer helps keep the bearing package tight as bearings wear EASY TO INSTALL -- Precision tolerances for easy installation and steering alignment giving you a perfect fit right out of the box COMPREHENSIVE COVERAGE -- Available for foreign and domestic nameplates