J.C. Whitney SET-JB27160001 Rear Brake Caliper 2-Wheel Set OEM Replacement

The J.C. Whitney SET-JB27160001 is a rear brake caliper 2-wheel set designed as a direct OEM replacement for select Buick, GMC, and Cadillac vehicles. This kit includes two complete rear brake caliper assemblies — one driver side and one passenger side — providing everything needed to restore proper rear braking performance.

Key Features:

• 2-Wheel Set: Includes (2) rear brake calipers, covering both driver and passenger sides
• OEM Replacement: Direct-fit design engineered to match original equipment specifications for a straightforward installation
• Single-Piston Design: Features a single phenolic piston per caliper with a 1.89-inch (47.96 mm) piston diameter
• Port Specifications: Inlet port M10 x 1.0; bleeder port M10 x 1.0
• Bracket Included: Each caliper assembly includes the mounting bracket and installation hardware
• Corrosion Resistance: Calipers feature an anti-rust coating to help extend service life
• OEM Cross-Reference Numbers: 15855609, 15855610, 15855616, 15855617, 18B5058, 18B5059

Note: Cadillac XTS fitment applies to Brake Code J55 (Heavy Duty Brakes) only. Always verify brake code and fitment details before installation.

Backed by J.C. Whitney's commitment to quality, this caliper set is a reliable, cost-effective solution for restoring safe and consistent rear braking on applicable GM platform vehicles.