ACDelco 179-2293 Rear Disc Brake Caliper Piston Seal Kit

The ACDelco 179-2293 is a GM Original Equipment rear disc brake caliper piston seal kit designed, engineered, and tested to rigorous GM standards. As a direct OE replacement, this kit delivers the same performance, durability, and service life as the components originally installed at the factory on compatible GM vehicles.

Key Features:

• GM Original Equipment (OE) part — the same quality component used in GM vehicle production
• Seals brake caliper pistons to prevent brake fluid leaks and maintain proper hydraulic pressure
• Engineered to withstand high operating temperatures and extreme brake system pressures
• Precise OE fitment ensures correct sealing geometry and reliable long-term performance
• Backed by General Motors with a limited warranty

Replacing worn or damaged rear brake caliper seals is essential for maintaining safe, effective braking. Symptoms of a failing caliper seal include brake fluid leaks near the rear wheels, a spongy brake pedal, uneven braking, or visible fluid contamination around the caliper. The ACDelco 179-2293 seal kit provides all necessary sealing components for a complete rear caliper seal service.