Built for hardworking vehicles, the Dorman RD Ball Joint B90255RD is a front upper ball joint from Dorman's rugged duty chassis line, engineered for severe-duty service such as off-road work, heavy hauling and towing. It fits many vehicles, among them the 1995-2004 Toyota Tacoma, 2000-2006 Toyota Tundra and 1996-2002 Toyota 4Runner, as a direct-fit replacement for the listed applications. See the "Vehicles it fits" section for the full list and engine details.
- Upgraded direct replacement: Designed to fit like the OE design in specified severe-duty applications, and engineered for improved durability.
- No-compromise construction: Intended for off-road work, heavy hauling, towing and other tough commercial uses where a vehicle has to be ready for duty. The RD line is also aimed at emergency vehicles such as ambulances and off-road rescue trucks.
- Protected housing and hardware: The housing is made of quenched and tempered steel and finished with an exclusive protective coating for durability and corrosion resistance. The necessary hardware is included and also carries a corrosion-resistant coating.
- Trustworthy quality: Backed by Dorman's team of chassis engineering and manufacturing experts in the United States and more than a century of automotive experience.
Where applicable, Dorman pre-loads the joint with premium grease inside specially designed grease boots with molded-in standoffs, which helps streamline installation and keep lubrication where it is needed. This suspension ball joint serves as the pivot between the upper control arm and the steering knuckle, letting the wheel steer and move with the suspension. Signs it may need replacing include clunking over bumps, loose or wandering steering, and uneven tire wear. With regular maintenance, it is a solid choice to replace a failed original ball joint on the listed applications.
Interchange: TC1792 · K90255 · TXMS86563 · 4331034030 · 4331035071 · 4331035081 · 4331039016 · 4331039065
This part cross-references / interchanges with the following part numbers:
TC1792, K90255, TXMS86563, 4331034030, 4331035071, 4331035081, 4331039016, 4331039065
Frequently Asked Questions
Is this a front upper 1995-2004 Toyota Tacoma ball joint?
Yes. It is cataloged as a front upper ball joint for the 1995-2004 Toyota Tacoma, and it also fits the 2000-2006 Toyota Tundra and 1996-2002 Toyota 4Runner. See the "Vehicles it fits" section for your exact vehicle.
What does RD mean on this Dorman ball joint?
RD stands for rugged duty. It is Dorman's line of chassis parts engineered for severe-duty service such as off-road work, heavy hauling, towing and emergency vehicles.
Is mounting hardware included?
Yes. The necessary hardware is included, and it also carries a corrosion-resistant coating.
What is the ball joint housing made of?
The housing is quenched and tempered steel, finished with an exclusive protective coating for durability and corrosion resistance.
What are signs a front upper ball joint may need replacing?
Common signs include clunking over bumps, loose or wandering steering, and uneven tire wear. Have the suspension inspected to confirm the cause before replacing parts.
