42 products about 1991 GMC K3500 Brake Boosters, Master Cylinders & Components foundVEHICLE SPECIFIC Product Specifications Notes: All Models; All; W/10 X 2.25 Shoes;All; W/10 X 2.25 Shoes Other Names: Wheel Cylinder Item Dimensions: 3.5 x 4.5 x 3.7 inches Item Weight: 2.00 Pounds Fitment Type: Direct Replacement Replaces: 18060167 Part Description: 1991 GMC K3500 Wheel Cylinder More Info Vehicle Fitment 1991 GMC K3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS $65.57 MSRP: $123.74
You Save: $58.17 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: DRW;SRW UPC: 805890009849 Part Description: 1991 GMC K3500 Premium Brake Master Cylinder More Info Vehicle Fitment 1991 GMC K3500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: without Master Cylinder;with Vacuum Booster Booster Type: Vacuum Casting Material: Steel Color: Powder Coated Gray Diaphragm Diameter: 10.930" Diaphragm Type: Dual E-Waste: No Master Cylinder: Without Master Cylinder Stud Thread Size: M10 x 1.5 Material: Steel Part Description: 1991 GMC K3500 Remanufactured Vacuum Power Brake Booster w/o Master Cylinder More Info Vehicle Fitment 1991 GMC K3500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: All Models; All; W/13 X 2.5 Shoes;All; W/13 X 2.5 Shoes Other Names: Wheel Cylinder Item Dimensions: 3.5 x 4.6 x 3.7 inches Item Weight: 1.50 Pounds Fitment Type: Direct Replacement Replaces: 18060026 Part Description: 1991 GMC K3500 Wheel Cylinder More Info Vehicle Fitment 1991 GMC K3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS $51.77 MSRP: $97.71
You Save: $45.94 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 1 3/16" Bore; DRW UPC: 805890017424 Part Description: 1991 GMC K3500 Premium Rear Drum Brake Wheel Cylinder More Info Vehicle Fitment 1991 GMC K3500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: without A/C E-Waste: No Mounting Brackets: No Pulley: No Part Description: 1991 GMC K3500 Remanufactured Vacuum Pump More Info Vehicle Fitment 1991 GMC K3500 | All Trims | 8 Cyl 6.2L VEHICLE SPECIFIC Product Specifications Notes: SRW;1 1/16" Bore; DRW UPC: 805890017431 Part Description: 1991 GMC K3500 Premium Rear Drum Brake Wheel Cylinder More Info Vehicle Fitment 1991 GMC K3500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: 6.2 Liter Diesel, W/Ac Other Names: Vacuum Pump Item Dimensions: 6.1 x 6.1 x 11.6 inches Item Weight: 3.30 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K3500 Vacuum Pump More Info Vehicle Fitment 1991 GMC K3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS $236.05 MSRP: $445.42
You Save: $209.37 (48%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2WD W/O 15,000 Gvwr, 1/2 Ton, Standard Cab; 4WD, 1/2 Ton, Standard Cab Location: Passenger Side Other Names: Caliper Item Dimensions: 9.6 x 7.1 x 6.9 inches Item Weight: 10.10 Pounds Fitment Type: Direct Replacement Replaces: 18014742, 18036602 Part Description: 1991 GMC K3500 Caliper More Info Vehicle Fitment 1991 GMC K3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS $50.24 MSRP: $92.91
You Save: $42.67 (46%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2WD W/O 15,000 Gvwr, 1/2 Ton, Standard Cab; 4WD, 1/2 Ton, Standard Cab Location: Driver Side Other Names: Caliper Item Dimensions: 9.7 x 6.9 x 6.9 inches Item Weight: 10.40 Pounds Fitment Type: Direct Replacement Replaces: 18014741, 18036603 Part Description: 1991 GMC K3500 Caliper More Info Vehicle Fitment 1991 GMC K3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS $50.24 MSRP: $92.91
You Save: $42.67 (46%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 3500 Series Other Names: Caliper Piston Item Dimensions: 5.1 x 4.5 x 2.4 inches Item Weight: 1.70 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K3500 Piston, Front Brake More Info Vehicle Fitment 1991 GMC K3500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.8 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS $24.00 MSRP: $74.79
You Save: $50.79 (68%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: DRW UPC: 805890072829 Part Description: 1991 GMC K3500 Caliper Repair Kit More Info Vehicle Fitment 1991 GMC K3500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: All Models Other Names: Master Cylinder Item Dimensions: 18.4 x 19.1 x 8.4 inches Item Weight: 4.20 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K3500 Cylinder Kit, Clutch Master More Info Vehicle Fitment 1991 GMC K3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS $128.68 MSRP: $204.30
You Save: $75.62 (38%)
Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 2WD W/15,000 Gvwr Location: Passenger Side Other Names: Caliper Item Dimensions: 9.7 x 7.7 x 5.4 inches Item Weight: 17.00 Pounds Fitment Type: Direct Replacement Replaces: 14002544, 15665668 Part Description: 1991 GMC K3500 Caliper More Info Vehicle Fitment 1991 GMC K3500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.8 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS VEHICLE SPECIFIC Product Specifications Notes: 2WD W/15,000 Gvwr Location: Driver Side Other Names: Caliper Item Dimensions: 9.2 x 7.4 x 5.1 inches Item Weight: 17.60 Pounds Fitment Type: Direct Replacement Replaces: 14002543, 15665667 Part Description: 1991 GMC K3500 Caliper More Info Vehicle Fitment 1991 GMC K3500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.8 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS VEHICLE SPECIFIC Product Specifications Notes: with A/C E-Waste: No Mounting Brackets: No Pulley: No Part Description: 1991 GMC K3500 Remanufactured Vacuum Pump More Info Vehicle Fitment 1991 GMC K3500 | All Trims | 8 Cyl 6.2L VEHICLE SPECIFIC Product Specifications Notes: All Models; Standard Item Dimensions: 4.2 x 4.1 x 0.5 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Replaces: 18014746 Part Description: 1991 GMC K3500 Seal Kit, Front Brake Caliper Piston More Info Vehicle Fitment 1991 GMC K3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS VEHICLE SPECIFIC Product Specifications Notes: with A/C Drive Type: Belt Gasket or Seal Included: No Housing Material: Metal Inlet Port Inside Diameter: 0.375 Item Grade: OEM Standard Outlet Port Inside Diameter: 0.375 Package Contents: Diesel Vacuum Pump, Instruction Sheet Port Quantity: 1 Pulley Included: No Relief Valve: No Part Description: 1991 GMC K3500 Diesel Vacuum Pump More Info Vehicle Fitment 1991 GMC K3500 | All Trims | 8 Cyl 6.2L VEHICLE SPECIFIC Product Specifications Notes: without A/C Drive Type: Belt Gasket or Seal Included: No Housing Material: Metal Inlet Port Inside Diameter: 0.375 Item Grade: OEM Standard Outlet Port Inside Diameter: 0.375 Package Contents: Diesel Vacuum Pump, Instruction Sheet Port Quantity: 1 Pulley Included: No Relief Valve: No Part Description: 1991 GMC K3500 Diesel Vacuum Pump More Info Vehicle Fitment 1991 GMC K3500 | All Trims | 8 Cyl 6.2L VEHICLE SPECIFIC Product Specifications Notes: with Brake Code JB7;GM Brake Codes are on the "Service Parts Identification" sticker.;with Brake Code JD7;Supplied w/Reservoir Bore Diameter (N): 1.25" E-Waste: No Installation Hardware Included: No Master Cylinder Color/Finish: Gray Master Cylinder Material: Cast Iron Mounting Hole Quantity: 2 Package Contents: Master Cylinder Port Quantity: 2 Primary Port Size: 1/2 x 20 Product Condition: Remanufactured Reservoir Included: Yes Reservoir Material: Plastic Reservoir Type: Assembled Secondary Port Size: 9/16 x 18 UPC: 082617070409 Part Description: 1991 GMC K3500 Remanufactured Master Cylinder More Info Vehicle Fitment 1991 GMC K3500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Bleeder Adapters Included: No Bleeder Pressure Gauge Included: No Bleeder Tubing Included: No E-Waste: No Material: Plastic Package Contents: Bleeder Tool Product Condition: New UPC: 082617849678 Part Description: 1991 GMC K3500 Master Cylinder Bleeding Tool More Info Vehicle Fitment 1991 GMC K3500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: with Hydro-Boost;with Brake Code JB8;GM Brake Codes are on the "Service Parts Identification" sticker.;Supplied w/Reservoir Bore Diameter (N): 1.25" E-Waste: No Installation Hardware Included: No Master Cylinder Color/Finish: Gray Master Cylinder Material: Aluminum Mounting Hole Quantity: 2 Package Contents: Master Cylinder Port Quantity: 2 Primary Port Size: 1/2 x 20 Product Condition: Remanufactured Reservoir Included: Yes Reservoir Material: Plastic Reservoir Type: Assembled Secondary Port Size: 9/16 x 18 UPC: 082617143028 Part Description: 1991 GMC K3500 Remanufactured Master Cylinder More Info Vehicle Fitment 1991 GMC K3500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: SRW UPC: 805890072812 Part Description: 1991 GMC K3500 Caliper Repair Kit More Info Vehicle Fitment 1991 GMC K3500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: Hydro-boost; Rod Code 71346 or 71586; With a Square Mounting Bracket UPC: 805890312086 Part Description: 1991 GMC K3500 Driveline Power Brake Booster More Info Vehicle Fitment 1991 GMC K3500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: Hydro-boost; Rod Code 71217 or 71271; With a Rectangular Mounting Bracket UPC: 805890274636 Part Description: 1991 GMC K3500 Power Brake Booster More Info Vehicle Fitment 1991 GMC K3500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: All Models; All; W/11.15 X 2.75 Shoes;All; W/11.15 X 2.75 Shoes Other Names: Wheel Cylinder Item Dimensions: 3.5 x 4.6 x 3.8 inches Item Weight: 1.60 Pounds Fitment Type: Direct Replacement Replaces: 18060090 Part Description: 1991 GMC K3500 Wheel Cylinder More Info Vehicle Fitment 1991 GMC K3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS VEHICLE SPECIFIC Product Specifications Notes: Rod Code C20; Vacuum Booster UPC: 817479000376 Part Description: 1991 GMC K3500 Rear Power Brake Booster More Info Vehicle Fitment 1991 GMC K3500 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: All Models Other Names: Brake Booster Item Dimensions: 20.8 x 13.4 x 10.5 inches Item Weight: 16.50 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K3500 Power Brake Booster (Hydraulic) More Info Vehicle Fitment 1991 GMC K3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS VEHICLE SPECIFIC Product Specifications Notes: 2WD W/O 15,000 Gvwr, 1/2 Ton, Extended Cab; 4WD, 1/2 Ton, Extended Cab Location: Driver Side Other Names: Caliper Item Dimensions: 9.5 x 7.7 x 5.4 inches Item Weight: 11.30 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K3500 Caliper, Front Brake More Info Vehicle Fitment 1991 GMC K3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS VEHICLE SPECIFIC Product Specifications Notes: Combination Other Names: Pressure Metering Valve, Valve Item Dimensions: 8.8 x 6.5 x 6.5 inches Item Weight: 1.70 Pounds Fitment Type: Direct Replacement Part Description: 1991 GMC K3500 Valve Asm-Brake Combination And Bracket More Info Vehicle Fitment 1991 GMC K3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS