Dorman D670163 Disc Brake Caliper Repair Kit - Front or Rear

Reliable Disc Brake Caliper Repair Kit for Cadillac, Chevrolet, Hyundai

The Dorman D670163 Disc Brake Caliper Repair Kit provides essential components to restore proper brake caliper function on select Cadillac, Chevrolet, and Hyundai models. Designed for professional and DIY brake maintenance, this kit includes high-quality EPDM rubber seals and boots engineered for durability and performance.

• Includes 2 piston boots and 2 piston seals made from EPDM rubber
• Boot length of 10 inches with precise piston boot inside diameter of 35.9 mm
• Piston bore diameter of 1.77 inches (45 mm) for accurate fitment
• Black piston boot and seal color for corrosion resistance and visual consistency
• Constructed with EPDM rubber and steel materials for long-lasting wear
• Standard replacement grade without installation hardware or bolts included

Durable Components for Effective Brake Caliper Repair

This Dorman disc brake caliper repair kit (part number D670163) is engineered to meet the specifications required for restoring brake caliper pistons on compatible vehicles. The EPDM rubber piston seals and boots resist heat, brake fluid, and environmental contaminants, helping maintain proper caliper piston movement and preventing leaks. The piston boot thickness of 0.7 mm and outside diameter of 57.5 mm ensure a secure seal around the piston bore, which measures 1.77 inches. This kit is suitable for use on Cadillac CTS, SRX, STS, Chevrolet Camaro and Equinox, as well as Hyundai Santa Fe, Santa Fe Sport, Captiva Sport, and Equus models.

Compatible Vehicles and Applications

This repair kit is compatible with the following makes and models:

• Cadillac CTS, SRX, STS
• Chevrolet Camaro, Equinox, Captiva Sport
• Hyundai Santa Fe, Santa Fe Sport, Equus

It is designed to replace worn or damaged piston boots and seals in disc brake calipers, restoring braking performance and safety.

Common Issues Addressed by This Repair Kit

• Leaking brake fluid from caliper piston seals
• Damaged or cracked piston boots allowing dirt and moisture ingress
• Reduced caliper piston movement causing uneven brake pad wear
• Corrosion buildup inside the piston bore affecting brake operation
• Brake noise or vibration related to caliper seal failure

Installation Notes and Tips

• Ensure the caliper piston bore is clean and free of debris before installation
• Use appropriate brake caliper grease (not included) to lubricate seals and boots during assembly
• Verify piston bore diameter (1.77 inches) matches the caliper before installation
• Replace all seals and boots as a set to maintain consistent brake performance
• Follow vehicle-specific service manual instructions for brake caliper disassembly and reassembly

Quality Assurance and Warranty

The Dorman D670163 Disc Brake Caliper Repair Kit is manufactured to standard replacement grade specifications, using durable EPDM rubber and steel materials. While installation hardware and bolts are not included, the kit meets OEM fitment requirements for the listed Cadillac, Chevrolet, and Hyundai models. Dorman products typically come with a limited warranty against defects in material and workmanship; please refer to Dorman's official warranty policy for details.