33 products about 1985 GMC S15 Brake Boosters, Master Cylinders & Components foundVEHICLE SPECIFIC Product Specifications UPC: 805890009696 Part Description: 1985 GMC S15 Premium Brake Master Cylinder Vehicle Fitment 1985 GMC S15 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications E-Waste: No Mounting Brackets: No Pulley: No Part Description: 1985 GMC S15 Remanufactured Vacuum Pump More Info Vehicle Fitment 1985 GMC S15 | All Trims | 4 Cyl 2.2L VEHICLE SPECIFIC Product Specifications UPC: 805890009702 Part Description: 1985 GMC S15 Premium Brake Master Cylinder Vehicle Fitment 1985 GMC S15 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: without Master Cylinder;with Brake Code JM7;GM Brake Codes are on the "Service Parts Identification" sticker.;with Booster Stamped CR Booster Type: Vacuum Casting Material: Steel Color: Powder Coated Gray Diaphragm Diameter: 10.785" Diaphragm Type: Single E-Waste: No Master Cylinder: Without Master Cylinder Stud Thread Size: M10 x 1.5 Material: Steel Part Description: 1985 GMC S15 Remanufactured Vacuum Power Brake Booster w/o Master Cylinder More Info Vehicle Fitment 1985 GMC S15 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications UPC: 805890015918 Part Description: 1985 GMC S15 Premium Rear Drum Brake Wheel Cylinder Vehicle Fitment 1985 GMC S15 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: with Brake Code JM5;GM Brake Codes are on the "Service Parts Identification" sticker.;with Booster Stamped BK;without Master Cylinder Booster Type: Vacuum Casting Material: Steel Color: Powder Coated Gray Diaphragm Diameter: 9.115" Diaphragm Type: Dual E-Waste: No Master Cylinder: Without Master Cylinder Stud Thread Size: M10 x 1.5 Material: Steel Part Description: 1985 GMC S15 Remanufactured Vacuum Power Brake Booster w/o Master Cylinder More Info Vehicle Fitment 1985 GMC S15 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications UPC: 805890017455 Part Description: 1985 GMC S15 Premium™ Wheel Cylinder Vehicle Fitment 1985 GMC S15 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: 6 1/2" Thickness; Rod Code S22 UPC: 805890353256 Part Description: 1985 GMC S15 Rear Power Brake Booster More Info Vehicle Fitment 1985 GMC S15 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: 2WD Location: Passenger Side Other Names: Caliper, Caliper Assembly Item Dimensions: 8.2 x 9.2 x 6.5 inches Item Weight: 7.80 Pounds Fitment Type: Direct Replacement Replaces: 18016156 Part Description: 1985 GMC S15 Caliper Asm, Front Brake More Info Vehicle Fitment 1985 GMC S15 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS VEHICLE SPECIFIC Product Specifications Notes: S-Series Other Names: Caliper Piston, Piston Item Dimensions: 3.4 x 2.7 x 2.6 inches Item Weight: 1.10 Pounds Fitment Type: Direct Replacement Part Description: 1985 GMC S15 Piston-Front Brake More Info Vehicle Fitment 1985 GMC S15 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS VEHICLE SPECIFIC Product Specifications Notes: S-Series; Power Other Names: Master Cylinder Item Dimensions: 12.4 x 8.1 x 6.7 inches Item Weight: 3.40 Pounds Fitment Type: Direct Replacement Part Description: 1985 GMC S15 Cylinder, Brake Master More Info Vehicle Fitment 1985 GMC S15 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS VEHICLE SPECIFIC Product Specifications Notes: S-Series; Power Other Names: Master Cylinder Item Dimensions: 12.4 x 8.1 x 6.7 inches Item Weight: 3.40 Pounds Fitment Type: Direct Replacement Part Description: 1985 GMC S15 Cylinder, Brake Master More Info Vehicle Fitment 1985 GMC S15 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS VEHICLE SPECIFIC Product Specifications Notes: S-Series; Single Diaphram; All Other Names: Brake Booster Item Dimensions: 11.8 x 15.9 x 11.9 inches Item Weight: 8.00 Pounds Fitment Type: Direct Replacement Part Description: 1985 GMC S15 Power Brake Booster Assembly More Info Vehicle Fitment 1985 GMC S15 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS VEHICLE SPECIFIC Product Specifications Notes: with Brake Code JB1;GM Brake Codes are on the "Service Parts Identification" sticker.;Supplied w/Reservoir Bore Diameter (N): 0.945" Bore Diameter (N-1): 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: 082617006538 Part Description: 1985 GMC S15 Remanufactured Master Cylinder More Info Vehicle Fitment 1985 GMC S15 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: S-Series; Dual Diaphram; All Other Names: Brake Booster Item Dimensions: 10.5 x 15.7 x 10.2 inches Item Weight: 1.00 Pounds Fitment Type: Direct Replacement Replaces: 18010041 Part Description: 1985 GMC S15 Power Brake Booster Assembly(Vacuum) (Service) More Info Vehicle Fitment 1985 GMC S15 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS VEHICLE SPECIFIC Product Specifications Notes: with Brake Code JB3;GM Brake Codes are on the "Service Parts Identification" sticker.;Supplied w/Reservoir Bore Diameter (N): 24mm Bore Diameter (N-1): 36mm 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: 082617006583 Part Description: 1985 GMC S15 Remanufactured Master Cylinder More Info Vehicle Fitment 1985 GMC S15 | 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: 1985 GMC S15 Master Cylinder Bleeding Tool More Info Vehicle Fitment 1985 GMC S15 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: S-Series; 4WD; Left; 4WD Location: Driver Side Other Names: Caliper Item Dimensions: 7.9 x 8.9 x 6.6 inches Item Weight: 0.80 Pounds Fitment Type: Direct Replacement Replaces: 18060143, 18016424 Part Description: 1985 GMC S15 Caliper Asm, Front Brake (Remanufacture) LH More Info Vehicle Fitment 1985 GMC S15 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS VEHICLE SPECIFIC Product Specifications UPC: 805890072249 Part Description: 1985 GMC S15 Caliper Repair Kit Vehicle Fitment 1985 GMC S15 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: 3 1/2" Thick Vac Booster UPC: 805890352556 Part Description: 1985 GMC S15 Power Brake Booster More Info Vehicle Fitment 1985 GMC S15 | All Trims | 4 Cyl 1.9L 1985 GMC S15 | All Trims | 6 Cyl 2.8L 1985 GMC S15 | All Trims | 4 Cyl 2.2L 1985 GMC S15 | All Trims | 4 Cyl 2.5L Show More VEHICLE SPECIFIC Product Specifications Notes: 2.2 Liter Diesel Other Names: Vacuum Pump Item Dimensions: 8.3 x 7.4 x 7.6 inches Item Weight: 3.40 Pounds Fitment Type: Direct Replacement Part Description: 1985 GMC S15 Pump Asm, Vacuum More Info Vehicle Fitment 1985 GMC S15 | Base, High Sierra, Sierra Classic | 4 Cyl 2.2 L DIESEL VEHICLE SPECIFIC Product Specifications Notes: with Brake Code JM7;with Master Cylinder;with Vacuum Booster;GM Brake Codes are on the "Service Parts Identification" sticker.;with Booster Stamped CR Brake Booster Diaphragm Style: Single Diaphragm Color: Gray Diaphragm Diameter: 10.785" E-Waste: No Master Cylinder Included: Yes Material: Steel Package Contents: Loaded Vacuum Power Brake Booster, Bleeder Fittings, Instruction Sheet Product Condition: Remanufactured UPC: 082617071352 Part Description: 1985 GMC S15 Remanufactured Vacuum Power Brake Booster w/Master Cylinder More Info Vehicle Fitment 1985 GMC S15 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: 2WD Location: Driver Side Other Names: Caliper, Caliper Assembly Item Dimensions: 8.1 x 9.0 x 6.5 inches Item Weight: 6.80 Pounds Fitment Type: Direct Replacement Replaces: 18016155 Part Description: 1985 GMC S15 Caliper Asm, Front Brake More Info Vehicle Fitment 1985 GMC S15 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS VEHICLE SPECIFIC Product Specifications Notes: GM Brake Codes are on the "Service Parts Identification" sticker.;with Booster Stamped BK;with Master Cylinder;with Vacuum Booster;with Brake Code JM5 Brake Booster Diaphragm Style: Dual Diaphragm Color: Gray Diaphragm Diameter: 9.115" E-Waste: No Master Cylinder Included: Yes Material: Steel Package Contents: Loaded Vacuum Power Brake Booster, Bleeder Fittings, Instruction Sheet Product Condition: Remanufactured UPC: 082617071383 Part Description: 1985 GMC S15 Remanufactured Vacuum Power Brake Booster w/Master Cylinder More Info Vehicle Fitment 1985 GMC S15 | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: S-Series; 2WD; Left Item Dimensions: 8.2 x 8.9 x 6.6 inches Item Weight: 6.90 Pounds Replaced by: 18060134 Part Description: 1985 GMC S15 Caliper, Front Brake (Remanufacture) More Info Vehicle Fitment 1985 GMC S15 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS VEHICLE SPECIFIC Product Specifications Notes: S-Series; 4WD; Right; 4WD Location: Passenger Side Other Names: Caliper Item Dimensions: 7.9 x 8.9 x 6.4 inches Item Weight: 7.60 Pounds Fitment Type: Direct Replacement Replaces: 18060144 Part Description: 1985 GMC S15 Caliper, Front Brake(Remanufacture) More Info Vehicle Fitment 1985 GMC S15 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS VEHICLE SPECIFIC Product Specifications Notes: S-Series; 2WD Other Names: Wheel Cylinder, Wheel Cylinder Assembly Item Dimensions: 3.5 x 4.5 x 3.7 inches Item Weight: 1.20 Pounds Fitment Type: Direct Replacement Replaces: 18012303 Part Description: 1985 GMC S15 Cylinder, Rear Brake More Info Vehicle Fitment 1985 GMC S15 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS VEHICLE SPECIFIC Product Specifications Notes: S-Series Other Names: Master Cylinder Item Dimensions: 4.7 x 4.4 x 17.1 inches Item Weight: 1.80 Pounds Fitment Type: Direct Replacement Part Description: 1985 GMC S15 Master Cylinder-Hydraulic Clutch More Info Vehicle Fitment 1985 GMC S15 | Base, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS VEHICLE SPECIFIC Product Specifications Notes: S-Series Item Dimensions: 4.0 x 4.0 x 0.3 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Part Description: 1985 GMC S15 Caliper Overhaul Kit More Info Vehicle Fitment 1985 GMC S15 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS VEHICLE SPECIFIC Product Specifications Notes: S-Series; 4WD Other Names: Wheel Cylinder Item Dimensions: 3.6 x 4.6 x 3.8 inches Item Weight: 1.20 Pounds Fitment Type: Direct Replacement Part Description: 1985 GMC S15 Cylinder, Rear Wheel More Info Vehicle Fitment 1985 GMC S15 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS