The QA1 Ultimate Ball Joint is a patented, 100 percent owner rebuildable design. This steel press-in housing serves as the replaceable sleeve that mounts the Ultimate ball joint in the lower GM location. It is sold without a stud so an existing Ultimate ball joint can be transferred, and it interchanges with factory part K6117.
Specifications:
- Type: Ball joint housing (mounting sleeve), no stud included
- Mounting style: Press-In
- Suspension location: Lower
- Application: GM
- Material: Steel
- Interchange: K6117
- Part number: 1210-508
FAQ
What is the QA1 1210-508 ball joint housing?
It is a steel press-in mounting housing, or sleeve, that holds a QA1 Ultimate ball joint in the lower GM location. It interchanges with factory part K6117.
Does this housing include a ball joint stud?
No. This part is the housing only and does not include a stud. It is intended for use with a QA1 Ultimate ball joint assembly.
Is the QA1 Ultimate ball joint rebuildable?
Yes. QA1 Ultimate Ball Joints use a 100 percent owner rebuildable design, and replacement housings and components are available.
What vehicles does part 1210-508 fit?
This housing is sized by its mounting style and interchange number rather than a specific vehicle list. Confirm the correct housing for the application against the QA1 interchange.

