Dorman D670191 Disc Brake Caliper Repair Kit - Front or Rear

Reliable Disc Brake Caliper Repair Kit for Chrysler, Dodge, Pontiac

The Dorman D670191 Disc Brake Caliper Repair Kit provides essential components to restore the braking performance of select Chrysler, Dodge, and Pontiac vehicles. Designed for professional and DIY mechanics, this kit includes high-quality EPDM rubber seals and boots tailored to fit specific piston bore dimensions.

• Includes 2 piston boots and 2 piston seals made from durable EPDM rubber
• Boot length of 8.6 inches with precise piston boot inside diameter of 33.4 mm
• Compatible piston bore diameter of 57.99 mm ensures proper fit
• Black piston boot and seal color for OEM-style appearance
• Standard replacement grade material for reliable service

Detailed Product Description and Specifications

The Dorman D670191 repair kit is engineered to meet the exacting requirements of disc brake caliper maintenance on Chrysler 200 and 300, Dodge Avenger, Challenger, Charger, and Pontiac G8 models. The kit features piston boots and seals constructed from EPDM rubber, known for its resistance to heat, brake fluid, and environmental contaminants. The piston boot has an outside diameter of 58 mm and a thickness of 0.7 mm, designed to protect the caliper piston from dirt and moisture. The piston seal’s outside diameter measures 1.948 inches, ensuring a tight seal within the caliper bore of 57.99 mm. This kit does not include bolts, pins, caliper grease, or installation hardware, focusing solely on the critical sealing components needed for caliper repair.

Compatible Vehicles and Common Applications

• Chrysler 200 and Chrysler 300
• Dodge Avenger, Challenger, Charger
• Pontiac G8

This repair kit is intended for restoring the sealing surfaces of disc brake calipers to prevent fluid leaks and maintain proper piston movement.

Common Issues Addressed by This Repair Kit

• Brake fluid leaks caused by worn or damaged piston seals
• Caliper piston sticking due to deteriorated boots
• Contamination of caliper internals from dirt and moisture ingress
• Reduced braking efficiency from compromised caliper seals
• Noise or uneven brake pad wear related to caliper malfunction

Installation Notes and Tips

Before installation, thoroughly clean the caliper bore and piston to remove all debris and corrosion. Inspect the piston and bore for damage that may require replacement. Lubricate the new seals lightly with compatible brake fluid or recommended lubricant to ease installation. Carefully fit the piston seal and boot without stretching or twisting to ensure a proper seal. Note that this kit does not include bolts or pins, so retain or replace existing hardware as needed.

Quality Assurance and Warranty Information

Dorman’s D670191 Disc Brake Caliper Repair Kit is manufactured to meet standard replacement quality requirements. The EPDM rubber components provide durability and resistance to brake system fluids and environmental factors. While no specific warranty details are provided, Dorman products typically come with a limited warranty against defects in material and workmanship.