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- Rear Disc Brake Caliper Assembly without Brake Pads or Bracket
Part TypeDisc Brake Caliper
BrandACDELCO
Package Height5.3
Package Width8.8
Package Length13.0
Weight25.4 PG
Weight25.4
Pad Wear Sensor IncludedNo
Caliper TypeFloating
Integrated Parking BrakeNo
Piston 1 Diameter2.60
Bleeder Screw IncludedYes
Good Maintenance Practices - Section 1 - Bullet 1Check brake fluid level at every oil change. Replace fluid according to owner’s manual recommendations.
Anti-Rattle Spring IncludedNo
Abutment Clips IncludedNo
Good Maintenance Practices - Section 1 - Bullet 4Check the thickness of your brake pads.
Good Maintenance Practices - Section 1 - Bullet 2Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
Inlet Fitting TypeStraight
Good Maintenance Practices - Section 1 - Bullet 3Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
Mount Hole Diameter254 in (6451.6 mm)
Piston 2 Diameter2.60
Product DescriptionGM Genuine Parts Disc Brake Calipers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Calipers are hydraulic components mounted over the brake rotor. The caliper acts as a clamp to press the brake pads against the brake rotor when the brakes are applied. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Mount Hole Diameter (In)254in
Width (In)8.88
Inlet Thread Diameter (Mm)11.11
Piston 1 Diameter (In)2.6in
New Or RemanufacturedNew
Inlet Thread Diameter0.44
Piston 2 Diameter (Mm)66.04mm
Length (In)13.62
New Or RemanufacturedNew
Bleeder Screw Thread Diameter (In)0.4375
Caliper Slides IncludedNo
Piston Quantity2
Part CategoryReplacement Parts
Good Maintenance Practices - Section 2 - Bullet 3Inspection of wheel bearings and grease seals.
Good Maintenance Practices - Section 2 - Bullet 4Parking brake adjustments (as needed).
Pads IncludedNo
Inlet Thread Diameter (In)0.44
Bleeder Screw Quantity1
Good Maintenance Practices - Section 2 - Bullet 1Inspection of the brake hoses for brittleness or cracking.
Good Maintenance Practices - Section 2 - Bullet 2Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
Good Maintenance Practices - Section 2 - HeaderThe following should be conducted by a qualified technician:
Piston 2 Diameter (In)2.6in
Brake Caliper ManufacturerTRW
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 1Brake warning light is on.
Piston 1 Diameter (Mm)66.04mm
Signs Of Wear &#38; Troubleshooting - Section 1 - HeaderSigns that your disc brake calipers may need to be replaced are:
Bleeder Thread Diameter7 16-24
Mounting Bracket IncludedNo
Mounting Bolt IncludedNo
Features &#38; Benefits - Bullet 2GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
Features &#38; Benefits - Bullet 3GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
Features &#38; Benefits - Bullet 4GM regularly updates production and service part designs to integrate new materials and technologies
Features &#38; Benefits - Bullet 1Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
Good Maintenance Practices - Section 1 - HeaderThe following inspections and maintenance procedures can help prevent potential brake problems.
Caliper ColorBlack
Mounting Hardware IncludedNo
Mount Hole Diameter (Mm)10mm
Height (In)5.38
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 2Difficulty stopping the vehicle.
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 3A low or sinking brake pedal.
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 4Vehicle pulls to the left or right when brakes are applied.
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 5Brake pedal pulsation (not to be confused with normal ABS operation).
Grade TypeOE
Vendor Part Number172-2407
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations