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Brake Master Cylinder
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Brake Master Cylinder (Dorman) for 1981-1984 Chevrolet & GMC • G10, G1500, G20, G2500, P20, P2500 NEW

$ 86 .97
120-DayReturns
LifetimeWarranty
100%Money-Back

Product Notes Read before buying

Bore: 1.12 In. and 1.56 In.

This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
Brand: Dorman
Condition: New
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Specifications & Info


Attribute Value
Contenidos Del Paquete Cilindro Maestro
Master Cylinder Bore Diameter 1.125, 1.563
Master Cylinder Material Cast Iron, Hierro Fundido
Mounting Hardware Included No, Non
Rearward Outlet Size 1/2-20
Reservoir Included Oui, Sí, Yes
Sensor Included No, Non
Tamaño De La Salida Trasera 1/2-20

Vehicle Fitment Guide

This part fits the following vehicles:

Chevrolet 3 models (tapclick to expand)(tapclick to hide)
G10 1981-1984 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Extended Cargo Van 1983 L6 4.1L RWD Automatic & Manual
Base Extended Cargo Van 1983 V8 5.0L RWD Automatic & Manual
Beauville Extended Passenger Van 1981 - 1982 L6 4.1L RWD Automatic & Manual
Beauville Extended Passenger Van 1981 - 1982 V8 5.0L RWD Automatic & Manual
Beauville Standard Passenger Van 1983 - 1984 L6 4.1L RWD Automatic & Manual
Beauville Standard Passenger Van 1983 - 1984 V8 5.0L RWD Automatic & Manual
Bonaventure Extended Passenger Van 1981 - 1982 L6 4.1L RWD Automatic & Manual
Bonaventure Extended Passenger Van 1981 - 1982 V8 5.0L RWD Automatic & Manual
Bonaventure Standard Passenger Van 1983 - 1984 L6 4.1L RWD Automatic & Manual
Bonaventure Standard Passenger Van 1983 - 1984 V8 5.0L RWD Automatic & Manual
Chevy Van Extended Cargo Van 1981 - 1982, 1984 L6 4.1L RWD Automatic & Manual
Chevy Van Extended Cargo Van 1981 - 1982, 1984 V8 5.0L RWD Automatic & Manual
Chevy Van Standard Cargo Van 1981 - 1984 L6 4.1L RWD Automatic & Manual
Chevy Van Standard Cargo Van 1981 - 1984 V8 5.0L RWD Automatic & Manual
Sportvan Extended Passenger Van 1981 - 1982 L6 4.1L RWD Automatic & Manual
Sportvan Extended Passenger Van 1981 - 1982 V8 5.0L RWD Automatic & Manual
Sportvan Extended Passenger Van 1981 - 1982 V8 5.7L RWD Automatic & Manual
Sportvan Standard Passenger Van 1981 - 1984 L6 4.1L RWD Automatic & Manual
Sportvan Standard Passenger Van 1981 - 1984 V8 5.0L RWD Automatic & Manual
Sportvan Standard Passenger Van 1981 - 1984 V8 5.7L RWD Automatic & Manual
G20 1981-1984 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Beauville Extended Passenger Van 1981 - 1982 L6 4.1L RWD Automatic & Manual
Beauville Extended Passenger Van 1981 - 1982 V8 5.0L RWD Automatic & Manual
Beauville Extended Passenger Van 1981 - 1982 V8 5.7L RWD Automatic & Manual
Beauville Standard Passenger Van 1984 V8 5.7L RWD Automatic & Manual
Beauville Standard Passenger Van 1983 - 1984 L6 4.1L RWD Automatic & Manual
Beauville Standard Passenger Van 1983 - 1984 V8 5.0L RWD Automatic & Manual
Beauville Standard Passenger Van 1983 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Bonaventure Standard Passenger Van 1984 V8 5.7L RWD Automatic & Manual
Bonaventure Standard Passenger Van 1983 - 1984 L6 4.1L RWD Automatic & Manual
Bonaventure Standard Passenger Van 1983 - 1984 V8 5.0L RWD Automatic & Manual
Bonaventure Standard Passenger Van 1983 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Chevy Van Extended Cargo Van 1981 - 1982 L6 4.1L RWD Automatic & Manual
Chevy Van Extended Cargo Van 1981 - 1982 V8 5.0L RWD Automatic & Manual
Chevy Van Extended Cargo Van 1981 - 1982 V8 5.7L RWD Automatic & Manual
Chevy Van Standard Cargo Van 1983 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Chevy Van Standard Cargo Van 1981 - 1984 L6 4.1L RWD Automatic & Manual
Chevy Van Standard Cargo Van 1981 - 1984 V8 5.0L RWD Automatic & Manual
Chevy Van Standard Cargo Van 1981 - 1982, 1984 V8 5.7L RWD Automatic & Manual
Nomad Extended Passenger Van 1981 L6 4.1L RWD Automatic & Manual
Nomad Extended Passenger Van 1981 V8 5.0L RWD Automatic & Manual
Nomad Extended Passenger Van 1981 V8 5.7L RWD Automatic & Manual
Sportvan Extended Passenger Van 1981 - 1982 L6 4.1L RWD Automatic & Manual
Sportvan Extended Passenger Van 1981 - 1982 V8 5.0L RWD Automatic & Manual
Sportvan Extended Passenger Van 1981 - 1982 V8 5.7L RWD Automatic & Manual
Sportvan Standard Passenger Van 1983 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Sportvan Standard Passenger Van 1981 - 1984 L6 4.1L RWD Automatic & Manual
Sportvan Standard Passenger Van 1981 - 1984 V8 5.0L RWD Automatic & Manual
Sportvan Standard Passenger Van 1981 - 1984 V8 5.7L RWD Automatic & Manual
P20 1981-1984 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Stripped Chassis 1982 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Base Stripped Chassis 1981 - 1984 L6 4.8L RWD Automatic & Manual
Base Stripped Chassis 1981 - 1984 V8 5.7L RWD Automatic & Manual
Step-Van Delivery Van 1982 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Step-Van Delivery Van 1981 - 1984 L6 4.8L RWD Automatic & Manual
Step-Van Delivery Van 1981 - 1984 V8 5.7L RWD Automatic & Manual
GMC 3 models (tapclick to expand)(tapclick to hide)
G1500 1981-1984 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Rally Extended Passenger Van 1981 - 1982 L6 4.1L RWD Automatic & Manual
Rally Extended Passenger Van 1981 - 1982 V8 5.0L RWD Automatic & Manual
Rally Extended Passenger Van 1981 - 1982 V8 5.7L RWD Automatic & Manual
Rally Standard Passenger Van 1981 - 1984 L6 4.1L RWD Automatic & Manual
Rally Standard Passenger Van 1981 - 1984 V8 5.0L RWD Automatic & Manual
Rally Standard Passenger Van 1981 - 1984 V8 5.7L RWD Automatic & Manual
Rally Custom Standard Passenger Van 1984 V8 5.7L RWD Automatic & Manual
Rally Custom Standard Passenger Van 1983 - 1984 L6 4.1L RWD Automatic & Manual
Rally Custom Standard Passenger Van 1983 - 1984 V8 5.0L RWD Automatic & Manual
Rally STX Extended Passenger Van 1981 - 1982 L6 4.1L RWD Automatic & Manual
Rally STX Extended Passenger Van 1981 - 1982 V8 5.0L RWD Automatic & Manual
Rally STX Extended Passenger Van 1981 - 1982 V8 5.7L RWD Automatic & Manual
Rally STX Standard Passenger Van 1984 V8 5.7L RWD Automatic & Manual
Rally STX Standard Passenger Van 1983 - 1984 L6 4.1L RWD Automatic & Manual
Rally STX Standard Passenger Van 1983 - 1984 V8 5.0L RWD Automatic & Manual
Vandura Extended Cargo Van 1981 - 1984 L6 4.1L RWD Automatic & Manual
Vandura Extended Cargo Van 1981 - 1984 V8 5.0L RWD Automatic & Manual
Vandura Extended Cargo Van 1981 V8 5.7L RWD Automatic & Manual
Vandura Standard Cargo Van 1981 - 1984 L6 4.1L RWD Automatic & Manual
Vandura Standard Cargo Van 1981 - 1984 V8 5.0L RWD Automatic & Manual
Vandura Standard Cargo Van 1981 V8 5.7L RWD Automatic & Manual
G2500 1981-1984 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Rally Extended Passenger Van 1981 - 1982 L6 4.1L RWD Automatic & Manual
Rally Extended Passenger Van 1981 - 1982 V8 5.0L RWD Automatic & Manual
Rally Extended Passenger Van 1981 - 1982 V8 5.7L RWD Automatic & Manual
Rally Standard Passenger Van 1983 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Rally Standard Passenger Van 1981 - 1984 L6 4.1L RWD Automatic & Manual
Rally Standard Passenger Van 1981 - 1984 V8 5.0L RWD Automatic & Manual
Rally Standard Passenger Van 1981 - 1984 V8 5.7L RWD Automatic & Manual
Rally Custom Standard Passenger Van 1983 - 1984 L6 4.1L RWD Automatic & Manual
Rally Custom Standard Passenger Van 1983 - 1984 V8 5.0L RWD Automatic & Manual
Rally Custom Standard Passenger Van 1983 - 1984 V8 5.7L RWD Automatic & Manual
Rally Custom Standard Passenger Van 1983 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Rally STX Extended Passenger Van 1981 - 1982 L6 4.1L RWD Automatic & Manual
Rally STX Extended Passenger Van 1981 - 1982 V8 5.0L RWD Automatic & Manual
Rally STX Extended Passenger Van 1981 - 1982 V8 5.7L RWD Automatic & Manual
Rally STX Standard Passenger Van 1983 - 1984 L6 4.1L RWD Automatic & Manual
Rally STX Standard Passenger Van 1983 - 1984 V8 5.0L RWD Automatic & Manual
Rally STX Standard Passenger Van 1983 - 1984 V8 5.7L RWD Automatic & Manual
Rally STX Standard Passenger Van 1983 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Vandura Extended Cargo Van 1981 - 1982 L6 4.1L RWD Automatic & Manual
Vandura Extended Cargo Van 1981 - 1982 V8 5.0L RWD Automatic & Manual
Vandura Extended Cargo Van 1981 V8 5.7L RWD Automatic & Manual
Vandura Standard Cargo Van 1983 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Vandura Standard Cargo Van 1981 - 1984 L6 4.1L RWD Automatic & Manual
Vandura Standard Cargo Van 1981 - 1984 V8 5.0L RWD Automatic & Manual
Vandura Standard Cargo Van 1981, 1983 - 1984 V8 5.7L RWD Automatic & Manual
P2500 1981-1984 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base Stripped Chassis 1982 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Base Stripped Chassis 1981 - 1984 L6 4.8L RWD Automatic & Manual
Base Stripped Chassis 1981 - 1984 V8 5.7L RWD Automatic & Manual
Value Van Delivery Van 1982 - 1984 V8 6.2L DIESEL RWD Automatic & Manual
Value Van Delivery Van 1981 - 1984 L6 4.8L RWD Automatic & Manual
Value Van Delivery Van 1981 - 1984 V8 5.7L RWD Automatic & Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies, in plain English.

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Lifetime Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

Returns (120 Days)

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.

Interchange Parts

Brand Part Number
ACDelco 18M173
Aimco M900373
Alltech Automotive 100-2255
ARI 783-36042
ARI 83-36042
Autospecialty M-82042
Bendix 11865
CARDONE New 13-1865
CARDONE Reman 10-1865
Centric Parts 130.62042
Centric Parts 131.62042
Coni-Seal MC104514
DFC Brake Master Cylinders - Archived 355-47051
Fenco M1865
Fenco NM1865
General Motors 14036113
General Motors 14036114
Raybestos Brakes 2539330
Raybestos Brakes MC39330
Wagner Brake F104514
Wagner Brake F105118
Wagner Brake MC105118

Fits Years: 1981 1982 1983 1984

Fits Models: G10, G1500, G20, G2500, P20, P2500

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120
Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

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