Dorman CB90053RD Rugged Duty Control Arm and Ball Joint Assembly

The Dorman CB90053RD is a Rugged Duty (RD) suspension control arm and ball joint assembly engineered specifically for severe-duty service applications. Designed as a direct-fit OE replacement, this assembly is purpose-built for vehicles that face the toughest operating conditions — including off-road work, heavy hauling, towing, snow plowing, and commercial fleet use.

The "RD" designation stands for Rugged Duty — an exclusive Dorman product line built to a higher standard than standard replacement parts. Ball joint housings are constructed from quenched and tempered steel rather than conventional normalized steel, and finished with an exclusive protective coating for superior corrosion resistance and long-term durability. This assembly is also an excellent choice for emergency vehicles such as ambulances and off-road rescue trucks where maximum dependability is non-negotiable.

Key Features:

• Severe-duty rated — engineered for off-road work, heavy hauling, towing, and other demanding commercial applications
• Quenched and tempered steel ball joint housings — stronger than standard normalized steel for enhanced fatigue resistance
• Exclusive protective coating — delivers superior corrosion resistance for extended service life
• Direct OE replacement fit — designed to match original equipment specifications for a straightforward installation
• Pre-loaded with premium grease — joints are pre-greased with specially designed grease boots to ensure proper lubrication retention
• Hardware included — all necessary corrosion-resistant hardware is included in the box
• Backed by Dorman's chassis engineering expertise — developed by a team with over a century of automotive experience

The Dorman CB90053RD control arm and ball joint assembly is the right choice when a standard replacement simply isn't enough. Whether you're servicing a work truck, fleet vehicle, or emergency responder, this Rugged Duty assembly delivers the dependability your application demands.