28 products about 1991 Chevrolet Astro Brake Boosters, Master Cylinders & Components found
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 Product Specifications- UPC: 805890009740
 - Part Description: 1991 Chevrolet Astro Premium Brake Master Cylinder
 
 Vehicle Fitment- 1991 Chevrolet Astro | All Trims | All Engines
 
   Product Specifications- UPC: 805890017509
 - Part Description: 1991 Chevrolet Astro Premium Rear Drum Brake Wheel Cylinder
 
 Vehicle Fitment- 1991 Chevrolet Astro | All Trims | All Engines
 
   Product Specifications- UPC: 805890009856
 - Part Description: 1991 Chevrolet Astro Premium Brake Master Cylinder
 
 Vehicle Fitment- 1991 Chevrolet Astro | All Trims | All Engines
 
  $51.09 MSRP: $96.44
You Save: $45.35 (48%)
Product Specifications- Notes:  Astro, Safari
 - Other Names:  Wheel Cylinder
 - Item Dimensions:  3.5 x 4.6 x 3.7 inches
 - Item Weight:  1.30 Pounds
 - Fitment Type:  Direct Replacement
 - Replaces:  18060118, 18015812
 - Part Description:  1991 Chevrolet Astro Wheel Cylinder
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
 
  Product Specifications- Notes: without Master Cylinder
 - Booster Type: Hydraulic
 - Casting Material: Cast Iron
 - Color: Powder Coated Black
 - E-Waste: No
 - Master Cylinder: Without
 - Master Cylinder Stud Thread Size: M10 x 1.50
 - Material: Cast Iron
 - Part Description: 1991 Chevrolet Astro Remanufactured Hydraulic Power Brake Booster w/o Master Cylinder
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | All Trims | All Engines
 
   Product Specifications- Notes: RWAL; 1-1/8" Bore
 - Bleeder Hoses Included: No
 - Master Cylinder Bore Diameter: 1.2500; 31.8
 - Master Cylinder Cap Included: Yes
 - Master Cylinder Material: Aluminum
 - Mounting Bracket Included: No
 - Mounting Hole Quantity: 2
 - Port Quantity: 2
 - Primary Outlet Thread Diameter: 0.3930; 10.0
 - Pushrod Included: No
 - Reservoir Included: Yes
 - Secondary Outlet Thread Diameter: 0.3930; 10.0
 - UPC: 008536026204
 - Part Description: 1991 Chevrolet Astro Brake Master Cylinder
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | All Trims | All Engines
 
   Product Specifications- Notes: Bore 7/8in
 - Attachment Type: Bolted
 - Bleeder Screw Cap Included: No
 - Bleeder Screw Included: Yes
 - Bore Diameter: 0.875
 - Brake Line Inlet Thread Diameter: 0.375
 - Casting Material: Cast Iron
 - Mounting Hardware Included: No
 - UPC: 008536045700
 - Part Description: 1991 Chevrolet Astro Rear Drum Brake Wheel Cylinder
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | All Trims | All Engines
 
   Product Specifications- Notes: GM Brake Codes are on the "Service Parts Identification" sticker.;GM Brake Code JA4;with Brake Code JM4;Supplied w/Reservoir
 - Bore Diameter (N): 1.125"
 - Bore Diameter (N-1): 1.575
 - 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: 082617006934
 - Part Description: 1991 Chevrolet Astro Remanufactured Brake Master Cylinder
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | All Trims | All Engines
 - 1991 Chevrolet Astro | All Trims | 6 Cyl 4.3L
 
   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 Chevrolet Astro Master Cylinder Bleeding Tool
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | All Trims | All Engines
 
  Product Specifications- Notes:  Astro, Safari; AWD
 - 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 Chevrolet Astro Seal Kit, Front Brake Caliper Piston
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
 
  Product Specifications- Notes: with Brake Code JM4;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: 082617143011
 - Part Description: 1991 Chevrolet Astro Remanufactured Master Cylinder
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | All Trims | 6 Cyl 4.3L
 - 1991 Chevrolet Astro | All Trims | All Engines
 
   Product Specifications- UPC: 805890072263
 - Part Description: 1991 Chevrolet Astro Front Disc Brake Caliper Repair Kit
 
 Vehicle Fitment- 1991 Chevrolet Astro | All Trims | All Engines
 
   Product Specifications- Notes: Hydroboost; Rod Code 71548
 - UPC: 805890271956
 - Part Description: 1991 Chevrolet Astro Power Brake Booster
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | All Trims | All Engines
 
   Product Specifications- Notes: 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: 1991 Chevrolet Astro Remanufactured Vacuum Power Brake Booster w/o Master Cylinder
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | All Trims | All Engines
 
   Product Specifications- UPC: 805890072805
 - Part Description: 1991 Chevrolet Astro Caliper Repair Kit
 
 Vehicle Fitment- 1991 Chevrolet Astro | All Trims | All Engines
 
  Product Specifications- Notes:  2WD, 1985-2002, W/Power Brakes; Astro, Safari; 2WD; Power; Right
 - Location:  Passenger Side
 - Other Names:  Caliper
 - Item Dimensions:  9.0 x 8.5 x 6.2 inches
 - Item Weight:  9.50 Pounds
 - Fitment Type:  Direct Replacement
 - Part Description:  1991 Chevrolet Astro Caliper Asm Pkg (RH)
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
 
  Product Specifications- Notes: Rod Code M5; Vacuum Booster
 - UPC: 805890217916
 - Part Description: 1991 Chevrolet Astro Driveline Power Brake Booster
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | All Trims | All Engines
 
  Product Specifications- Notes:  1985-95, W/Power Brakes
 - Other Names:  Master Cylinder
 - Item Dimensions:  12.2 x 7.9 x 6.6 inches
 - Item Weight:  3.50 Pounds
 - Fitment Type:  Direct Replacement
 - Part Description:  1991 Chevrolet Astro Cylinder Asm, Brake Master
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
 
 Product Specifications- Notes:  1985-95, W/Power Brakes
 - Other Names:  Master Cylinder
 - Item Dimensions:  12.2 x 7.9 x 6.6 inches
 - Item Weight:  3.50 Pounds
 - Fitment Type:  Direct Replacement
 - Part Description:  1991 Chevrolet Astro Cylinder Asm, Brake Master
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
 
 Product Specifications- Notes:  Astro, Safari
 - Other Names:  Brake Booster
 - Item Dimensions:  17.4 x 9.2 x 8.4 inches
 - Item Weight:  15.30 Pounds
 - Fitment Type:  Direct Replacement
 - Part Description:  1991 Chevrolet Astro Power Brake Booster (Hydraulic)
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
 
 Product Specifications- Notes:  4WD; Astro, Safari; AWD; Left
 - 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 Chevrolet Astro Caliper, Front Brake
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
 
 Product Specifications- Notes:  4WD; Astro, Safari; AWD; Right
 - Location:  Passenger Side
 - Other Names:  Caliper
 - Item Dimensions:  9.9 x 7.6 x 5.2 inches
 - Item Weight:  11.70 Pounds
 - Fitment Type:  Direct Replacement
 - Part Description:  1991 Chevrolet Astro Caliper, Front Brake
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
 
 Product Specifications- Notes:  Pressure Differential, W/O 4 Wheel ABS
 - Other Names:  Dump Valve, Pressure Valve, Valve
 - Item Dimensions:  8.0 x 7.7 x 3.3 inches
 - Item Weight:  1.50 Pounds
 - Fitment Type:  Direct Replacement
 - Replaces:  12387706
 - Part Description:  1991 Chevrolet Astro Valve, Pressure Differential (Anti-Lock Pressure Valve)
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
 
 Product Specifications- Notes:  2WD, 1985-2002, W/Power Brakes; Astro, Safari; 2WD; Power; Left
 - Location:  Driver Side
 - Other Names:  Caliper
 - Item Dimensions:  8.4 x 8.1 x 7.4 inches
 - Item Weight:  9.20 Pounds
 - Fitment Type:  Direct Replacement
 - Part Description:  1991 Chevrolet Astro Caliper, Front Brake (LH)
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
 
 Product Specifications- Notes:  1985-95
 - Other Names:  Booster Assembly, Overhaul Kit
 - Item Dimensions:  13.4 x 7.3 x 4.6 inches
 - Item Weight:  5.00 Pounds
 - Fitment Type:  Direct Replacement
 - Replaces:  88948563, 465227, 00465227
 - Part Description:  1991 Chevrolet Astro Valve Kit, Power Brake Booster Control
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
 
 Product Specifications- Notes:  Astro, Safari; 2WD; Power
 - Other Names:  Caliper Overhaul Kit, Overhaul Kit
 - Item Dimensions:  4.0 x 4.2 x 0.3 inches
 - Item Weight:  0.40 Pounds
 - Fitment Type:  Direct Replacement
 - Part Description:  1991 Chevrolet Astro Seal Kit, Front Brake Caliper
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
 
 Product Specifications- Notes:  Astro, Safari; AWD
 - Other Names:  Caliper Piston
 - Item Dimensions:  6.7 x 3.5 x 3.4 inches
 - Item Weight:  1.60 Pounds
 - Fitment Type:  Direct Replacement
 - Part Description:  1991 Chevrolet Astro Piston, Front Brake Caliper
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
 
 Product Specifications- Notes:  Astro, Safari; 2WD
 - Other Names:  Caliper Piston
 - Item Dimensions:  3.6 x 4.5 x 3.8 inches
 - Item Weight:  1.50 Pounds
 - Fitment Type:  Direct Replacement
 - Replaces:  18012880
 - Part Description:  1991 Chevrolet Astro Piston, Front Brake Caliper
 
More Info Vehicle Fitment- 1991 Chevrolet Astro | Base, CL, CS, LS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS