Dorman D670190 Disc Brake Caliper Repair Kit - Front

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

The Dorman D670190 Disc Brake Caliper Repair Kit is designed to restore the braking performance of select Buick, Cadillac, and Chevrolet models. This kit provides essential components to maintain the integrity of your disc brake calipers, ensuring safe and consistent stopping power.

• Includes 2 piston boots and 2 piston seals made from durable EPDM rubber
• Boot length of 8.5 inches with a piston boot outside diameter of 61 mm
• Fits piston bore diameter of 45 mm, suitable for specific Buick, Cadillac, and Chevrolet vehicles
• Black piston boot and seal color for a clean, professional appearance
• Standard replacement grade material designed for reliable service

Durable EPDM Rubber Components for Effective Brake Caliper Repair

This Dorman disc brake caliper repair kit features piston boots and seals constructed from EPDM rubber, known for its resistance to heat, brake fluid, and environmental contaminants. The piston seal has an outside diameter of 2.013 inches, while the piston boot inside diameter measures 38.3 mm, ensuring a precise fit within the caliper assembly. The 0.7 mm thickness of the piston boot material provides a balance of flexibility and durability, helping to protect the piston bore and maintain brake system integrity.

Compatible With Select Buick, Cadillac, and Chevrolet Models

This repair kit is compatible with the following vehicles: Buick LaCrosse and Lucerne, Cadillac DTS, and Chevrolet Impala and Monte Carlo. The Dorman D670190 kit is engineered to fit calipers with a 45 mm bore size, making it a suitable replacement part for maintaining the braking system on these models.

Common Brake Caliper Issues Addressed by This Repair Kit

• Leaking or damaged piston seals causing brake fluid loss
• Worn or cracked piston boots allowing dirt and moisture intrusion
• Reduced brake performance due to compromised caliper components
• Corrosion or wear inside the piston bore affecting piston movement
• Noise or uneven brake pad wear related to caliper seal failure

Installation Notes and Tips for Dorman D670190

Installation requires removal of the brake caliper and careful disassembly to replace the piston boots and seals. Note that this kit does not include bolts, pins, or caliper grease, so ensure you have the necessary hardware and lubrication on hand. Clean the piston bore thoroughly before installing new seals and boots to prevent premature wear. Proper installation will help restore smooth piston operation and maintain brake system safety.

Quality Assurance and Warranty Information

Dorman provides this disc brake caliper repair kit as a standard replacement part manufactured to meet OEM specifications. The EPDM rubber components are designed for durability and resistance to brake system fluids. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship.