Raybestos RC11987CS Disc Brake Caliper - Rear Left

Reliable Disc Brake Caliper for Chevrolet and GMC Trucks

The Raybestos R-Line RC11987CS disc brake caliper is designed for heavy-duty braking performance on Chevrolet and GMC 3500 series trucks. This remanufactured, loaded caliper includes a bracket and features a durable coating to resist corrosion and wear.

• Cast iron caliper casting material for strength and durability
• Bleeder screw thread size M10x1.5 for proper brake fluid maintenance
• Caliper piston diameter options: 2.000 inches and 50.800 mm for precise fitment
• Comes loaded and remanufactured with bracket included
• Coated finish to protect against rust and extend service life

About the Raybestos R-Line Loaded Caliper

The R-Line; Loaded Caliper, Remanufactured; Includes Bracket; Coated product line from Raybestos offers remanufactured disc brake calipers that come fully assembled with brackets and a protective coating. This ensures a ready-to-install solution that meets OEM specifications for Chevrolet and GMC heavy-duty trucks, providing reliable braking performance and corrosion resistance.

Technical Details and Compatibility

This disc brake caliper features a cast iron construction, which provides the necessary strength for demanding braking applications on Chevrolet Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Silverado 3500, Silverado 3500 Classic, and Silverado 3500 HD models. The bleeder screw thread size of M10x1.5 allows for proper brake fluid bleeding and maintenance. The caliper piston diameter is specified as both 2.000 inches and 50.800 mm, ensuring compatibility with the brake system components of these trucks. The part number RC11987CS identifies this specific caliper within the Raybestos catalog.

Common Applications and Problem Solving

• Replacement for worn or seized disc brake calipers on Chevrolet and GMC 3500 series trucks
• Restores proper brake piston movement and pressure for consistent braking
• Addresses brake fluid leakage issues related to damaged bleeder screws or caliper seals
• Helps eliminate uneven brake pad wear caused by faulty caliper operation
• Improves braking performance and safety on heavy-duty trucks used for towing or hauling

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air from the hydraulic lines. Verify the bleeder screw thread size M10x1.5 matches your vehicle’s specifications. Inspect brake pads and rotors for wear and replace if necessary to maintain optimal braking performance. Use appropriate torque specifications when mounting the caliper and bracket to avoid damage.

Quality Assurance and Warranty

Raybestos remanufactured calipers undergo rigorous testing to meet OEM standards for fit, form, and function. The coated finish provides additional corrosion resistance to extend service life. Please refer to Raybestos warranty documentation for specific coverage details related to the RC11987CS part.