Delphi TC1646 Suspension Ball Joint - Front Upper

OE-Style Front Upper Ball Joint

Delphi TC1646 is a front upper suspension ball joint built for select Dodge and Plymouth trucks and vans with heavy-duty front axle configurations. It combines OE-based dimensional analysis with materials and testing designed to support consistent steering and suspension performance.

For Ram 2500 Van, Ram 3500 Van, B1500, B2500, B3500, B350, D250, D350, PB350, D200, D300, and B300 applications, TC1646 provides a direct replacement solution for front upper suspension service.

• Front upper suspension ball joint for select Dodge and Plymouth applications
• Press-in mounting type with threaded, tapered stud
• Greaseable design with grease fitting included
• Dust boot included to help protect the joint from contamination
• Castle nut, cotter pin, cotter pin hole, nuts, and mounting hardware included
• Standard replacement grade for OE-style service
• Ball material: Alloy Steel SAE 5140; housing material: Carbon Steel SAE 1040
• Chloroprene rubber dust boot material

Built for OE Fit and Durability

Delphi TC1646 is engineered using OE-focused dimensional and material analysis to help match the original part’s fit and function. Delphi also subjects its steering and suspension components to extreme temperature exposure and extended salt-spray testing, supporting durability in demanding road conditions. This part cross-references MOOG Chassis Products K7082 for the same application.

Common Problems This Part Helps Address

• Front-end looseness or play at the upper control arm connection
• Clunking or popping noises from the front suspension
• Uneven tire wear caused by worn ball joint movement
• Steering wander or reduced directional stability
• Inspection failure from excessive suspension joint wear

Installation Notes and Fitment

Fits 1999-2003 Dodge Ram 2500 Van, Front Upper, with 4000lb Front Axle. Fits 1999-2003 Dodge Ram 3500 Van, Front Upper, with 4000lb Axle(s). Fits 1995-1998 Dodge B1500, Front Upper. Fits 1997-1998 Dodge B2500, Front Upper, with 4000lb Front Axle. Fits 1995-1998 Dodge B3500, Front Upper, with 4000lb Axle(s). Fits 1995-1996 Dodge B2500, Front Upper. Fits 1981-1994 Dodge B350, Front Upper, with 4000lb Axle(s). Fits 1981-1993 Dodge D250, Front Upper, with 4000lb Axle(s). Fits 1981-1993 Dodge D350, Front Upper, with 3800lb & 4000lb Axle. Fits 1981-1983 Plymouth PB350, Front Upper, with 4000lb Axle(s). Fits 1979-1980 Dodge B300, Front Upper, with 4000lb Axle(s). Fits 1975-1980 Dodge D200, Front Upper, with 4000lb Axle(s). Fits 1975-1980 Dodge D300, Front Upper, with 3800lb & 4000lb Axle. Fits 1975-1978 Dodge B300, Front Upper, with 3800lb Front Axle; Vehicles With 14in Inner Tie Rod Ends.

Verify axle rating and front suspension configuration before ordering. This part is a press-in style ball joint, so proper service tools and alignment checks are recommended after installation.

Quality Assurance

Delphi applies OE safety technology and aftermarket steering expertise to this suspension ball joint. TC1646 is tested for temperature extremes below -40 degrees C and above 120 degrees C, and it is exposed to 720 hours of salt spray to evaluate corrosion resistance and long-term service durability.