Dorman D670201 Disc Brake Caliper Repair Kit - Front

Reliable Disc Brake Caliper Repair Kit for Cadillac and Chevrolet

The Dorman D670201 Disc Brake Caliper Repair Kit is designed to restore the braking performance of your Cadillac Corvette or Chevrolet XLR. Engineered with durable EPDM rubber components, this kit provides essential seals and boots to maintain caliper integrity and prevent brake fluid leaks.

Key Features of the Dorman D670201 Repair Kit

• Includes 2 piston boots and 2 piston seals made from EPDM rubber for durability and resistance to brake fluid
• Boot length of 0.472 inches and piston bore diameter of 48 mm for precise fitment
• Black piston boot and seal colors for a clean, professional appearance
• Standard replacement grade material ensuring reliable performance
• Compatible with Cadillac Corvette and Chevrolet XLR models

Detailed Product Description

This Dorman disc brake caliper repair kit (part number D670201) is specifically designed for vehicles requiring a 48 mm piston bore diameter, such as the Cadillac Corvette and Chevrolet XLR. The kit includes two piston boots and two piston seals, all constructed from EPDM rubber, known for its excellent resistance to heat, brake fluid, and environmental contaminants. The piston boot features an inside diameter of 1.22 inches and an outside diameter of 2.047 inches, with a thickness of 0.03 inches, ensuring a secure seal around the caliper piston. The piston seal has an outside diameter of 1.843 inches, providing a tight fit to prevent fluid leaks and maintain hydraulic pressure.

Common Applications and Issues Addressed

• Restores proper sealing of the disc brake caliper piston to prevent brake fluid leaks
• Prevents contamination and corrosion inside the caliper assembly
• Eliminates brake drag caused by damaged or worn seals and boots
• Helps maintain consistent brake pedal feel and performance
• Addresses noise and vibration issues related to caliper seal failure

Installation Notes and Tips

• Ensure the caliper piston bore is clean and free of debris before installation
• Lubricate the new seals and boots with compatible brake grease (not included) to ease installation and prevent damage
• Do not reuse old seals or boots; always replace with new components from the kit
• Verify piston bore diameter matches the 48 mm specification for proper fit
• Follow vehicle manufacturer torque specifications when reassembling caliper components

Quality Assurance and Warranty

Dorman’s D670201 Disc Brake Caliper Repair Kit is manufactured to meet standard replacement quality requirements, ensuring reliable performance and durability. The EPDM rubber materials used in the piston boots and seals provide resistance to brake fluid and environmental factors, contributing to long service life. While installation hardware and bolts are not included, this kit is designed to integrate seamlessly with existing caliper components on compatible Cadillac Corvette and Chevrolet XLR models.