Homeโ€บ Brake > Brake Hydraulicsโ€บ Dorman M104456 Brake Master Cylinder
Part #: M104456

Dorman M104456 Brake Master Cylinder

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243 vehicles fit this part
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Fitment: Chevrolet, GMC, Buick, Cadillac, Oldsmobile, and Pontiac, G20, G2500, Blazer, R1500 Suburban, R2500 Suburban, V1500 Suburban, V2500 Suburban, Jimmy, P20, R2500, P2500, R10 Suburban, R20, R20 Suburban, V10 Suburban, V20 Suburban, R10, V10, V20, R1500, V1500, V2500, C10, C10 Suburban, C20, C20 Suburban, K10, K10 Suburban, K20, K20 Suburban, K5 Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, K1500, K1500 Suburban, K2500, K2500 Suburban, Electra, LeSabre, Fleetwood, Caprice, Impala, Custom Cruiser, Delta 88, Parisienne, DeVille, 98, Estate Wagon, Regal, Bonneville, and Catalina
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Reliable Brake Master Cylinder for GM Trucks and SUVs

The Dorman M104456 Brake Master Cylinder is engineered to restore proper brake hydraulics in select Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac vehicles. Designed with a cast iron body and a 30.04 mm bore diameter, this master cylinder includes a reservoir and supports dual outlet connections for efficient brake fluid distribution.

  • Master cylinder bore diameter: 30.04 mm
  • Durable cast iron construction
  • Includes reservoir for brake fluid
  • Two outlet ports with rearward outlet size 9/16-18 and secondary outlet thread diameter 0.5
  • Compatible with multiple GM trucks and SUVs including Chevrolet Blazer, GMC Jimmy, and Cadillac DeVille

Technical Details and Compatibility

This Dorman brake master cylinder (part number M104456) is designed specifically for brake hydraulics systems requiring a 30.04 mm bore diameter. The cast iron material ensures long-lasting durability under demanding conditions. It features two outlets to accommodate front and rear brake circuits, with a rearward outlet size of 9/16-18 and a secondary outlet thread diameter of 0.5 inches. The included reservoir simplifies installation and maintenance by providing a ready-to-use brake fluid container.

Compatible with a wide range of GM vehicles, this master cylinder fits models such as the Chevrolet C10, C1500, and Blazer, GMC K10, K1500, and Jimmy, as well as Buick LeSabre, Cadillac DeVille, and Pontiac Bonneville. This part is ideal for restoring brake system function in these trucks and SUVs.

Common Applications and Problem Resolution

  • Restores proper brake pedal feel and pressure
  • Eliminates brake fluid leaks from a worn or damaged master cylinder
  • Resolves inconsistent braking or spongy brake pedal issues
  • Replaces master cylinders with corroded or damaged cast iron bodies
  • Addresses brake system failure due to internal seal wear

Installation Notes and Tips

Installation of the Dorman M104456 master cylinder requires basic brake system knowledge and tools. Note that mounting hardware is not included, so retain original fasteners or acquire replacements as needed. Bleeding the brake system thoroughly after installation is essential to remove air and ensure proper brake function. Verify compatibility with your specific vehicle model and year before installation.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The cast iron construction provides durability and resistance to wear. While mounting hardware is not included, the product undergoes quality checks to ensure reliable performance. Please consult Dorman's warranty policy for coverage details related to this part number M104456.

BrandDorman
Part NumberM104456
Master Cylinder Bore Diameter30.04
Master Cylinder MaterialCast Iron
Mounting Hardware IncludedNo
Number of Outlets2
Package ContentsMaster Cylinder
Rearward Outlet Size9/16-18
Reservoir IncludedYes
Secondary Outlet Thread Diameter0.5
Sensor IncludedNo

This part fits 243 vehicles. Search below:

YearMakeModelBody TypeDrive TypeFuel TypePositionNotes
1995ChevroletG20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1995GMCG2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1994ChevroletG20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1994GMCG2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1993ChevroletG20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1993GMCG2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1992ChevroletG20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1992GMCG2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1991ChevroletBlazerDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1991ChevroletG20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1991ChevroletR1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1991ChevroletR2500 SuburbanN/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1991ChevroletV1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1991ChevroletV2500 SuburbanN/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1991GMCG2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1991GMCJimmyDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1991GMCR1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1991GMCR2500 SuburbanN/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1991GMCV1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1991GMCV2500 SuburbanN/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1990ChevroletBlazerDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1990ChevroletG20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1990ChevroletR1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1990ChevroletR2500 SuburbanN/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1990ChevroletV1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1990ChevroletV2500 SuburbanN/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1990GMCG2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1990GMCJimmyDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1990GMCR1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1990GMCR2500 SuburbanN/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1990GMCV1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1990GMCV2500 SuburbanN/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1989ChevroletBlazerDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1989ChevroletG20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1989ChevroletP20DIESELN/A11.15" x 2.75" rear brakes, bore size: 30.04mm
1989ChevroletR1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1989ChevroletR2500N/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1989ChevroletR2500 SuburbanN/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1989ChevroletV1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1989ChevroletV2500 SuburbanN/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1989GMCG2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1989GMCJimmyDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1989GMCP2500DIESELN/A11.15" x 2.75" rear brakes, bore size: 30.04mm
1989GMCR1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1989GMCR2500N/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1989GMCR2500 SuburbanN/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1989GMCV1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1989GMCV2500 SuburbanN/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1988ChevroletBlazerDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1988ChevroletG20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1988ChevroletP20DIESELN/A11.15" x 2.75" rear brakes, bore size: 30.04mm
1988ChevroletR10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1988ChevroletR20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1988ChevroletR20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1988ChevroletV10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1988ChevroletV20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1988GMCG2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1988GMCJimmyDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1988GMCP2500DIESELN/A11.15" x 2.75" rear brakes, bore size: 30.04mm
1988GMCR1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1988GMCR2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1988GMCR2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1988GMCV1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1988GMCV2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987ChevroletBlazerDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987ChevroletG20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987ChevroletP20DIESELN/A11.15" x 2.75" rear brakes, bore size: 30.04mm
1987ChevroletR10DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987ChevroletR10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987ChevroletR20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987ChevroletR20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987ChevroletV10DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987ChevroletV10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987ChevroletV20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987ChevroletV20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987GMCG2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987GMCJimmyDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987GMCP2500DIESELN/A11.15" x 2.75" rear brakes, bore size: 30.04mm
1987GMCR1500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987GMCR1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987GMCR2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987GMCR2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987GMCV1500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987GMCV1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987GMCV2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1987GMCV2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986ChevroletC10DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986ChevroletC10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986ChevroletC20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986ChevroletC20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986ChevroletG20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986ChevroletK10DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986ChevroletK10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986ChevroletK20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986ChevroletK20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986ChevroletK5 BlazerDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986ChevroletP20DIESELN/A11.15" x 2.75" rear brakes, bore size: 30.04mm
1986GMCC1500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986GMCC1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986GMCC2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986GMCC2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986GMCG2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986GMCJimmyDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986GMCK1500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986GMCK1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986GMCK2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986GMCK2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1986GMCP2500DIESELN/A11.15" x 2.75" rear brakes, bore size: 30.04mm
1985BuickLeSabreDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985CadillacFleetwoodRWDDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985ChevroletC10DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985ChevroletC10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985ChevroletC20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985ChevroletC20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985ChevroletCapriceDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985ChevroletG20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985ChevroletImpalaDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985ChevroletK10DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985ChevroletK10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985ChevroletK20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985ChevroletK20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985ChevroletK5 BlazerDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985ChevroletP20DIESELN/A11.15" x 2.75" rear brakes, bore size: 30.04mm
1985GMCC1500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985GMCC1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985GMCC2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985GMCC2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985GMCG2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985GMCJimmyDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985GMCK1500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985GMCK1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985GMCK2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985GMCK2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985GMCP2500DIESELN/A11.15" x 2.75" rear brakes, bore size: 30.04mm
1985OldsmobileCustom CruiserDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985OldsmobileDelta 88DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1985PontiacParisienneDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984BuickLeSabreDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984CadillacDeVilleDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984CadillacFleetwoodDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984ChevroletC10DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984ChevroletC10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984ChevroletC20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984ChevroletC20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984ChevroletCapriceWagonGASN/ABrake Master Cylinder with 30.04 mm bore size.
1984ChevroletCapriceDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984ChevroletG20N/AFor Hydraulic Booster with 11.15 In. x 2.75 In. Brakes; Stamped-14047683
1984ChevroletImpalaDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984ChevroletK10DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984ChevroletK10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984ChevroletK20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984ChevroletK20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984ChevroletK5 BlazerDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984ChevroletP20N/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1984GMCC1500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984GMCC1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984GMCC2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984GMCC2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984GMCG2500N/AFor Hydraulic Booster with 11.15 In. x 2.75 In. Brakes; Stamped-14047683
1984GMCJimmyDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984GMCK1500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984GMCK1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984GMCK2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984GMCK2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984GMCP2500N/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1984Oldsmobile98DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984OldsmobileCustom CruiserDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984OldsmobileDelta 88DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1984PontiacParisienneDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983BuickLeSabreDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983BuickRegalN/AStamped-25509416
1983CadillacDeVilleDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983CadillacFleetwoodDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983ChevroletC10DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983ChevroletC10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983ChevroletC20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983ChevroletC20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983ChevroletCapriceDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983ChevroletG20N/AFor Hydraulic Booster with 11.15 In. x 2.75 In. Brakes; Stamped-14047683
1983ChevroletImpalaDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983ChevroletK10DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983ChevroletK10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983ChevroletK20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983ChevroletK20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983ChevroletK5 BlazerDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983ChevroletP20N/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1983GMCC1500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983GMCC1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983GMCC2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983GMCC2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983GMCG2500N/AFor Hydraulic Booster with 11.15 In. x 2.75 In. Brakes; Stamped-14047683
1983GMCJimmyDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983GMCK1500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983GMCK1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983GMCK2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983GMCK2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983GMCP2500N/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1983Oldsmobile98DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983OldsmobileCustom CruiserDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983OldsmobileDelta 88DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1983PontiacParisienneDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982BuickLeSabreDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982BuickRegalN/AStamped-25509416
1982CadillacDeVilleDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982CadillacFleetwoodDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982ChevroletC10DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982ChevroletC10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982ChevroletC20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982ChevroletC20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982ChevroletCapriceDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982ChevroletImpalaDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982ChevroletK10DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982ChevroletK10 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982ChevroletK20DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982ChevroletK20 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982ChevroletK5 BlazerDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982ChevroletP20N/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1982GMCC1500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982GMCC1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982GMCC2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982GMCC2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982GMCJimmyDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982GMCK1500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982GMCK1500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982GMCK2500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982GMCK2500 SuburbanDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982GMCP2500N/A11 In. Brakes, w/Hydraulic Booster, Stamped-25509416
1982Oldsmobile98DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982OldsmobileCustom CruiserDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1982OldsmobileDelta 88DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1981BuickLeSabreDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1981CadillacDeVilleDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1981CadillacFleetwoodDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1981ChevroletC10DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1981ChevroletCapriceDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1981ChevroletImpalaDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1981GMCC1500DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1981Oldsmobile98DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1981OldsmobileCustom CruiserDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1981OldsmobileDelta 88DIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1981PontiacBonnevilleDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1981PontiacCatalinaDIESELN/ABrake Master Cylinder with 30.04 mm bore size.
1978ChevroletG20N/AFits vehicles with Hydraulic Booster and Stamped-14047683

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

10-18631186313-1863130.6204014047683174-8372539308783-36040F104456M-82040M1863M900358MC104456

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.