HomeBrake > Service KitsDorman D670180 Disc Brake Caliper Repair Kit - Rear
Part #: D670180

Dorman D670180 Disc Brake Caliper Repair Kit - Rear

Rear
21 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$23.78Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Cadillac, Chevrolet, and Pontiac, DTS, Lucerne, Montana, Terraza, and Uplander
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

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

The Dorman D670180 Disc Brake Caliper Repair Kit offers a precise solution for restoring brake caliper function on select Buick, Cadillac, Chevrolet, and Pontiac models. Designed to meet standard replacement requirements, this kit provides essential components to maintain braking performance and safety.

  • Includes piston boot, piston seal, actuator boot, clip seal, and O-ring
  • Compatible with Buick DTS, Cadillac DTS, Chevrolet Montana, Pontiac Terraza, and Chevrolet Uplander
  • Features EPDM rubber piston seal and boot for durability and resistance to brake fluid
  • Piston bore diameter of 42 mm ensures proper fit and sealing
  • Black piston boot and seal for corrosion resistance and longevity

Durable EPDM Rubber Components for Effective Brake Caliper Repair

This Dorman disc brake caliper repair kit (part number D670180) includes high-quality EPDM rubber seals and boots engineered to withstand harsh brake system conditions. The piston seal and boot are both black and made from EPDM rubber, known for its excellent resistance to heat, brake fluid, and environmental contaminants. The piston boot measures 8.3 inches in length with an outside diameter of 52.3 mm and an inside diameter of 25.5 mm, designed to fit a 42 mm piston bore diameter precisely. These components help maintain a secure seal around the caliper piston, preventing fluid leaks and contamination.

Compatible Vehicle Applications and Common Repair Uses

This repair kit is compatible with several GM vehicles, including Buick DTS, Cadillac DTS, Chevrolet Montana, Pontiac Terraza, and Chevrolet Uplander models. It is intended for use in disc brake caliper maintenance and repair, addressing issues such as:

  • Leaking or damaged piston seals causing brake fluid loss
  • Worn or torn piston boots allowing dirt and moisture ingress
  • Reduced caliper piston movement due to seal degradation
  • Brake drag or uneven pad wear from compromised caliper components
  • General caliper rebuilds to restore braking system reliability

Installation Notes and Tips for Dorman D670180

When installing this disc brake caliper repair kit, ensure the caliper piston bore is clean and free of debris before fitting the new seals and boots. Use appropriate brake lubricant compatible with EPDM rubber to ease installation and prevent damage. Note that this kit does not include bolts, pins, or caliper grease, so these items should be sourced separately if needed. Proper installation will help maintain brake system integrity and performance.

Quality Assurance and Product Standards

The Dorman D670180 repair kit is manufactured to meet standard replacement specifications, providing reliable performance for brake caliper maintenance. The use of EPDM rubber materials ensures durability and resistance to brake fluid and environmental factors. While no specific warranty information is provided, Dorman products are generally designed to comply with OEM standards for fit and function.

BrandDorman
Part NumberD670180
Bolts IncludedNo
Boot Length8.3
Caliper Grease IncludedNo
Piston Bore Diameter42
Piston Boot ColorBlack
Piston Seal ColorBlack
Piston Seal MaterialEpdm rubber
Piston Seal End 1 Outside Diameter1.904
Piston Boot Inside Diameter25.5
Piston Boot MaterialEpdm rubber
Piston Boot Outside Diameter52.3
Piston Boot Material Thickness0.71
Bore Size42 mm
Color/FinishBlack
Installation Hardware IncludedNo
Item GradeStandard replacement
MaterialEpdm rubber
Package Contents1 piston boot; 1 seal; 1 actuator boot; 1 clip seal; 1 o ring; 1
Pin IncludedNo

This part fits 21 vehicles. Search below:

YearMakeModelPositionNotes
2011BuickLucerneRear
2011CadillacDTSRearw/RPO Code JL9 (Power Brakes, 4 Wheel Disc, w/ABS)
2010BuickLucerneRear
2010CadillacDTSRearw/RPO Code JL9 (Power Brakes, 4 Wheel Disc, w/ABS)
2009BuickLucerneRear
2009CadillacDTSRearw/RPO Code JL9 (Power Brakes, 4 Wheel Disc, w/ABS)
2008BuickLucerneRear
2008CadillacDTSRearw/RPO Code JL9 (Power Brakes, 4 Wheel Disc, w/ABS)
2008ChevroletUplanderRear
2007BuickLucerneRear
2007BuickTerrazaRear
2007CadillacDTSRearw/RPO Code JL9 (Power Brakes, 4 Wheel Disc, w/ABS)
2007ChevroletUplanderRear
2006BuickLucerneRear
2006BuickTerrazaRear
2006CadillacDTSRearw/RPO Code JL9 (Power Brakes, 4 Wheel Disc, w/ABS)
2006ChevroletUplanderRear
2006PontiacMontanaRear
2005BuickTerrazaRear
2005ChevroletUplanderRear
2005PontiacMontanaRear

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

143.66022172233941251K

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.