Delphi Suspension Ball Joint P/N:TC1621
Keep your steering tight and your suspension pivoting smoothly with the Delphi ball joint TC348, a front left lower joint that connects the control arm to the steering knuckle and lets the wheel steer and travel while carrying suspension load. It fits the 1983-1987 Audi 4000, 1983-1987 Audi Coupe, 1983-1988 Volkswagen Quantum, 1986-1987 Audi 4000 Quattro, 1988 Audi 80, 1988 Audi 80 Quattro, 1988 Audi 90, and 1988 Audi 90 Quattro. Delphi builds on its OE steering expertise, testing to extremes below -40°C and over 120°C plus 720 hours of salt spray, with dimensional and material analysis for close OE-to-aftermarket compatibility.
Signs this front left lower joint may need replacing include clunking over the front suspension, wandering or loose steering, and uneven tire wear. If a worn ball joint is the cause, this replaces it. Ball joints are best inspected and serviced as a pair for balanced results.
Interchange: 855 407 365 A · 855 407 365 B · 101-4007 · 505-1113
855407365A · 855407365B · 1014007 · 5051113 · BJ04005 · B90500 · B90500PR · SL90500 · K90500 · FA1659 · GK9348 · MK9348 · JBJ114
This part cross-references / interchanges with the following part numbers:
What does the Delphi ball joint TC348 do?
It is a front left lower ball joint that pivots the connection between the control arm and steering knuckle, letting the wheel steer and travel while supporting suspension load.
Which vehicles does this ball joint fit?
It fits the 1983-1987 Audi 4000 and Audi Coupe, 1983-1988 Volkswagen Quantum, 1986-1987 Audi 4000 Quattro, and the 1988 Audi 80, 80 Quattro, 90, and 90 Quattro. See the Buyer's Guide tab for engine details.
What position is this ball joint?
It is the front left lower ball joint for the listed applications.
What are signs my ball joint may need replacing?
Common signs include clunking over the front suspension, loose or wandering steering, and uneven front tire wear. Diagnose the cause before replacing.
What kind of boot does this ball joint use?
It uses a chloroprene rubber boot, which Delphi selects to improve durability and help prevent premature failure of the joint.
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.