Help keep the front suspension tight and steering precise with the DELPHI ball joint TC7088, a direct-fit front lower suspension ball joint for the listed applications. It fits many vehicles, among them the 1993 Asuna Sunfire, 1990-1993 Geo Storm and 1991-1993 Isuzu Stylus; see the "Vehicles it fits" section for the full list. It pivots the steering knuckle against the lower control arm, letting the wheel steer and travel while carrying suspension loads.
Delphi applies its OE steering expertise to this aftermarket joint, backed by extensive dimensional and material analysis for close OE-to-aftermarket compatibility.
- Forged construction: 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 and grease in.
- Micron-tolerance machining: machined to micron tolerances for durability and smooth joint operation.
- Tested to the extreme: validated below -40°C, above 120°C, and through 720 hours of salt spray, with anti-corrosion protection applied to each part.
Signs this part may need replacing include clunking on acceleration or over bumps, loose or wandering steering, and uneven tire wear. Sold individually; replacing joints in pairs is good practice for balanced handling.
Interchange: 8-94466-461-1
8944664611 · B9479 · B9479PR · GK9479 · MK9479
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
B9479, B9479PR, GK9479, MK9479, 8-94466-461-1
Frequently Asked Questions
What is the DELPHI ball joint TC7088?
It is a front lower suspension ball joint that connects the lower control arm to the steering knuckle, allowing the wheel to steer and move while carrying suspension loads.
Which vehicles does the TC7088 fit?
It fits many vehicles, among them the 1993 Asuna Sunfire, 1990-1993 Geo Storm and 1991-1993 Isuzu Stylus. See the "Vehicles it fits" section for the full list.
What are the signs a ball joint may need replacing?
Common signs include clunking on acceleration or over bumps, loose or wandering steering, and uneven tire wear. Have the cause diagnosed before replacing.
What is the boot made of?
It uses a chloroprene rubber boot, which improves durability and helps prevent premature failure by sealing grease in and keeping contaminants out.
Should I replace ball joints in pairs?
This joint is sold individually. Replacing the left and right joints together is good practice for balanced handling and even wear.
