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1979 - 1980 GMC K2500 Brake Master Cylinder (Dorman) NEW

$ 78 .65

Product Notes

Bore: 1.125 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
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
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Specifications & Info


Attribute Value
Contenidos Del Paquete Cilindro Maestro
Master Cylinder Bore Diameter 1.125
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:

GMC 1 model (tapclick to expand)(tapclick to hide)
K2500 1979-1980 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base Cab & Chassis 1980 L6 4.1L 4WD Automatic & Manual
Base Cab & Chassis 1979 - 1980 L6 4.8L 4WD Automatic & Manual
Base Cab & Chassis 1979 - 1980 V8 5.7L 4WD Automatic & Manual
Base Cab & Chassis 1979 - 1980 V8 6.6L 4WD Automatic & Manual
Base Standard Cab Pickup 1980 L6 4.1L 4WD Automatic & Manual
Base Standard Cab Pickup 1979 - 1980 L6 4.8L 4WD Automatic & Manual
Base Standard Cab Pickup 1979 - 1980 V8 5.7L 4WD Automatic & Manual
Base Standard Cab Pickup 1979 - 1980 V8 6.6L 4WD Automatic & Manual
High Sierra Cab & Chassis 1980 L6 4.1L 4WD Automatic & Manual
High Sierra Cab & Chassis 1979 - 1980 L6 4.8L 4WD Automatic & Manual
High Sierra Cab & Chassis 1979 - 1980 V8 5.7L 4WD Automatic & Manual
High Sierra Cab & Chassis 1979 - 1980 V8 6.6L 4WD Automatic & Manual
High Sierra Standard Cab Pickup 1980 L6 4.1L 4WD Automatic & Manual
High Sierra Standard Cab Pickup 1979 - 1980 L6 4.8L 4WD Automatic & Manual
High Sierra Standard Cab Pickup 1979 - 1980 V8 5.7L 4WD Automatic & Manual
High Sierra Standard Cab Pickup 1979 - 1980 V8 6.6L 4WD Automatic & Manual
Sierra Classic Cab & Chassis 1980 L6 4.1L 4WD Automatic & Manual
Sierra Classic Cab & Chassis 1979 - 1980 L6 4.8L 4WD Automatic & Manual
Sierra Classic Cab & Chassis 1979 - 1980 V8 5.7L 4WD Automatic & Manual
Sierra Classic Cab & Chassis 1979 - 1980 V8 6.6L 4WD Automatic & Manual
Sierra Classic Standard Cab Pickup 1980 L6 4.1L 4WD Automatic & Manual
Sierra Classic Standard Cab Pickup 1979 - 1980 L6 4.8L 4WD Automatic & Manual
Sierra Classic Standard Cab Pickup 1979 - 1980 V8 5.7L 4WD Automatic & Manual
Sierra Classic Standard Cab Pickup 1979 - 1980 V8 6.6L 4WD Automatic & Manual
Sierra Grande Cab & Chassis 1980 L6 4.1L 4WD Automatic & Manual
Sierra Grande Cab & Chassis 1979 - 1980 L6 4.8L 4WD Automatic & Manual
Sierra Grande Cab & Chassis 1979 - 1980 V8 5.7L 4WD Automatic & Manual
Sierra Grande Cab & Chassis 1979 - 1980 V8 6.6L 4WD Automatic & Manual
Sierra Grande Standard Cab Pickup 1980 L6 4.1L 4WD Automatic & Manual
Sierra Grande Standard Cab Pickup 1979 - 1980 L6 4.8L 4WD Automatic & Manual
Sierra Grande Standard Cab Pickup 1979 - 1980 V8 5.7L 4WD Automatic & Manual
Sierra Grande Standard Cab Pickup 1979 - 1980 V8 6.6L 4WD 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

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.

Return Policy

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.

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.
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 18M66
Aimco M900226
Alltech Automotive 100-2598
ARI 83-44018
Autospecialty M-86018
Bendix 11732
CARDONE New 13-1732
CARDONE Reman 10-1732
Centric Parts 130.66018
Coni-Seal MC101267
DFC Brake Master Cylinders - Archived 355-46024
Fenco M1732
Fenco NM1732
General Motors 18000804
General Motors 18000806
General Motors 18000997
General Motors 18002456
General Motors 18005251
General Motors 18009497
General Motors 2623180
Raybestos Brakes 101267
Raybestos Brakes 2539009
Raybestos Brakes MC39009
Wagner Brake F101267

Fits Years: 1979 1980

Fits Models: K2500

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120
Day Return Window

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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.

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