Front Lower Ball Joint for 1975-1999 Chevrolet P30 & More - Delphi TC1621

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$48.99
MPN: TC1621
UPC: 689604277188
Item Package Quantity: 1
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Delphi Suspension Ball Joint P/N:TC1621
Delphi Suspension Ball Joint P/N:TC1621
$48.99

Keep your steering tight and your front suspension pivoting smoothly with the Delphi ball joint TC1621, a front lower ball joint built with Delphi's OE safety technology fitted to millions of vehicles worldwide. It drops in as a direct-fit replacement for a wide range of classic Chevrolet and GMC trucks and vans, including the 1975-1999 Chevrolet P30, 1979-1999 GMC P3500 and 1975-1996 Chevrolet G30 — see the Buyer's Guide tab for the full list of applications.

  • Forged for strength: manufactured with high-quality forgings for increased strength and smooth operation.
  • Chloroprene rubber boot: improves durability and helps prevent premature failure by keeping contaminants out.
  • Micron-tolerance machining: machined to micron tolerances for durability and smooth joint operation.
  • Anti-corrosion protection: applied to each part for corrosion prevention and enhanced aesthetics.

Delphi tests to the extreme for OE performance: these parts withstand temperatures below -40°C and over 120°C and endure 720 hours of salt spray, with dimensional and material analysis ensuring compatibility between the OE and aftermarket part. This is a front lower unit that lets the control arm and steering knuckle pivot as the wheel steers and the suspension travels.

Interchange: 610.66002
61066002 · 9751952 · 9755486 · 9760164 · 9760165 · 9766424 · B6129 · B6129PR · K6129T · GK6129T · MK6129T · JBJ7039

This part cross-references / interchanges with the following part numbers:

610.66002, 9751952, 9755486, 9760164, 9760165, 9766424, B6129, B6129PR, K6129T, GK6129T, MK6129T, JBJ7039

Frequently Asked Questions

Is this a front lower ball joint?

Yes. The TC1621 is cataloged as a front lower suspension ball joint for the listed Chevrolet and GMC applications.

What are the signs my ball joint may need replacing?

Common signs include clunking or knocking from the front suspension, loose or wandering steering, and uneven front tire wear. Have the cause diagnosed before replacing.

Does this ball joint include a boot?

Yes. It uses a chloroprene rubber boot that improves durability and helps prevent premature failure by keeping dirt and moisture out of the joint.

Will this fit my 1975-1999 Chevrolet P30?

Yes, the 1975-1999 Chevrolet P30 is on the fitment list. Check the Buyer's Guide tab to confirm the exact year and configuration for your vehicle.

How is this ball joint protected against corrosion?

Anti-corrosion protection is applied to each part for corrosion prevention and enhanced aesthetics, and Delphi exposes its parts to 720 hours of salt spray testing.