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GM Original Equipment
Get the GM quality you know and trust with ACDelco GM Original Equipment Calipers.

Features & Benefits:

  • Pressure tested to ensure safe and confident braking
  • Ethylene Propylene (EPDM) rubber components provide superior resistance to heat, corrosion, and leakage
  • Manufactured with GM Original Equipment specification for fit, form, and function
Piston 2 Diameter (IN)1.10
Piston 4 Diameter (IN)1.10
Piston 1 Diameter (IN)1.26
Piston 3 Diameter (IN)1.26
Bleeder Thread Diameter10 x 1.0
Mount Hole Diameter (MM)14.00
Piston 2 Diameter (MM)27.94
Piston 4 Diameter (MM)27.94
Piston 1 Diameter (mm)32.00
Piston 3 Diameter (MM)32.00
Piston Quantity4
Casting MaterialAluminum
Caliper TypeFixed
New Or RemanufacturedNew
Mounting Bracket IncludedNo
Mounting Hardware IncludedNo
Pad Wear Sensor IncludedNo
Pads IncludedNo
Caliper ColorSILVER
Piston MaterialSteel
Inlet Fitting TypeStraight
Caliper Slides IncludedYes
Alternate/OEM Part Number(s): 89047743

Warranty Information:
24 Month / Unlimited Mile Warranty on parts sold on or after 04/01/18; 12 Months on parts sold before 04/01/18.
Warranty Details