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Brake Master Cylinder (Dorman) for 1976-1980 Buick, Cadillac, & Pontiac NEW

$ 76 .16

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
Reservoir Included Oui, Sí, Yes
Secondary Outlet Thread Diameter 0.5
Sensor Included No, Non

Vehicle Fitment Guide

This part fits the following vehicles:

Buick 4 models (tapclick to expand)(tapclick to hide)
Electra 1977-1979 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL
Body Style Years Engine Attributes
225 Coupe 1977 - 1979 V8 5.7L RWD Automatic
225 Coupe 1977 - 1979 V8 6.6L RWD Automatic
225 Sedan 1977 - 1979 V8 5.7L RWD Automatic
225 Sedan 1977 - 1979 V8 6.6L RWD Automatic
Limited Coupe 1977 - 1979 V8 5.7L RWD Automatic
Limited Coupe 1977 - 1979 V8 6.6L RWD Automatic
Limited Sedan 1977 - 1979 V8 5.7L RWD Automatic
Limited Sedan 1977 - 1979 V8 6.6L RWD Automatic
Park Avenue Coupe 1978 - 1979 V8 5.7L RWD Automatic
Park Avenue Coupe 1978 - 1979 V8 6.6L RWD Automatic
Park Avenue Sedan 1978 - 1979 V8 5.7L RWD Automatic
Park Avenue Sedan 1978 - 1979 V8 6.6L RWD Automatic
Estate Wagon 1977-1979 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base Wagon 1977 - 1979 V8 5.7L RWD Automatic
Base Wagon 1977 - 1979 V8 6.6L RWD Automatic
LeSabre 1977-1980 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base Coupe 1980 V6 4.1L RWD Automatic
Base Coupe 1980 V8 5.7L DIESEL RWD Automatic
Base Coupe 1978 V8 5.0L RWD Automatic
Base Coupe 1977 - 1980 V6 3.8L RWD Automatic
Base Coupe 1977 - 1980 V8 4.9L RWD Automatic
Base Coupe 1977 - 1980 V8 5.7L RWD Automatic
Base Coupe 1977 - 1978 V8 6.6L RWD Automatic
Base Sedan 1980 V6 4.1L RWD Automatic
Base Sedan 1980 V8 5.7L DIESEL RWD Automatic
Base Sedan 1978 V8 5.0L RWD Automatic
Base Sedan 1977 - 1980 V6 3.8L RWD Automatic
Base Sedan 1977 - 1980 V8 4.9L RWD Automatic
Base Sedan 1977 - 1980 V8 5.7L RWD Automatic
Base Sedan 1977 - 1978 V8 6.6L RWD Automatic
Custom Coupe 1978 V8 5.0L RWD Automatic
Custom Coupe 1977 - 1978 V6 3.8L RWD Automatic
Custom Coupe 1977 - 1978 V8 4.9L RWD Automatic
Custom Coupe 1977 - 1978 V8 5.7L RWD Automatic
Custom Coupe 1977 - 1978 V8 6.6L RWD Automatic
Custom Sedan 1978 V8 5.0L RWD Automatic
Custom Sedan 1977 - 1978 V6 3.8L RWD Automatic
Custom Sedan 1977 - 1978 V8 4.9L RWD Automatic
Custom Sedan 1977 - 1978 V8 5.7L RWD Automatic
Custom Sedan 1977 - 1978 V8 6.6L RWD Automatic
Custom Sport Coupe 1977 V8 4.9L RWD Automatic
Custom Sport Coupe 1977 V8 5.7L RWD Automatic
Custom Sport Coupe 1977 V8 6.6L RWD Automatic
Limited Coupe 1980 V6 4.1L RWD Automatic
Limited Coupe 1980 V8 5.7L DIESEL RWD Automatic
Limited Coupe 1979 - 1980 V6 3.8L RWD Automatic
Limited Coupe 1979 - 1980 V8 4.9L RWD Automatic
Limited Coupe 1979 - 1980 V8 5.7L RWD Automatic
Limited Sedan 1980 V6 4.1L RWD Automatic
Limited Sedan 1980 V8 5.7L DIESEL RWD Automatic
Limited Sedan 1979 - 1980 V6 3.8L RWD Automatic
Limited Sedan 1979 - 1980 V8 4.9L RWD Automatic
Limited Sedan 1979 - 1980 V8 5.7L RWD Automatic
Sport Coupe 1978 - 1980 V6 3.8L Turbo RWD Automatic
Riviera 1977-1978 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base Coupe 1977 - 1978 V8 5.7L RWD Automatic
Base Coupe 1977 - 1978 V8 6.6L RWD Automatic
LXXV Anniversary Edition Coupe 1978 V8 5.7L RWD Automatic
LXXV Anniversary Edition Coupe 1978 V8 6.6L RWD Automatic
Cadillac 3 models (tapclick to expand)(tapclick to hide)
DeVille 1977-1979 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base Coupe 1979 V8 5.7L DIESEL RWD Automatic
Base Coupe 1977 - 1979 V8 7.0L RWD Automatic
Base Sedan 1979 V8 5.7L DIESEL RWD Automatic
Base Sedan 1977 - 1979 V8 7.0L RWD Automatic
Cabriolet Coupe 1979 V8 5.7L DIESEL RWD Automatic
Cabriolet Coupe 1978 - 1979 V8 7.0L RWD Automatic
Phaeton Coupe 1979 V8 5.7L DIESEL RWD Automatic
Phaeton Coupe 1978 - 1979 V8 7.0L RWD Automatic
Phaeton Sedan 1978 V8 7.0L RWD Automatic
d'Elegance Coupe 1977 - 1978 V8 7.0L RWD Automatic
d'Elegance Sedan 1979 V8 5.7L DIESEL RWD Automatic
d'Elegance Sedan 1977 - 1979 V8 7.0L RWD Automatic
Fleetwood 1977-1979 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL
Body Style Years Engine Attributes
75 Limousine 1977 V8 7.0L RWD Automatic
75 Sedan 1977 V8 7.0L RWD Automatic
75 Formal Limousine 1977 V8 7.0L RWD Automatic
Base Limousine 1978 - 1979 V8 7.0L RWD Automatic
Base Sedan 1978 - 1979 V8 7.0L RWD Automatic
Brougham Sedan 1979 V8 5.7L DIESEL RWD Automatic
Brougham Sedan 1977 - 1979 V8 7.0L RWD Automatic
Brougham d'Elegance Sedan 1979 V8 5.7L DIESEL RWD Automatic
Brougham d'Elegance Sedan 1977 - 1979 V8 7.0L RWD Automatic
Formal Limousine 1977 - 1979 V8 7.0L RWD Automatic
Seville 1976-1979 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base Sedan 1978 - 1979 V8 5.7L DIESEL RWD Automatic
Base Sedan 1976 - 1979 V8 5.7L RWD Automatic
Elegante Sedan 1978 - 1979 V8 5.7L RWD Automatic
Elegante Sedan 1978 - 1979 V8 5.7L DIESEL RWD Automatic
Opera Coupe 1978 V8 5.7L DIESEL RWD Automatic
Opera Coupe 1977 - 1978 V8 5.7L RWD Automatic
Pontiac 1 model (tapclick to expand)(tapclick to hide)
Firebird 1979-1980 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base Coupe 1980 V8 4.3L RWD Automatic & Manual
Base Coupe 1979 - 1980 V6 3.8L RWD Automatic & Manual
Base Coupe 1979 - 1980 V8 4.9L RWD Automatic & Manual
Base Coupe 1979 - 1980 V8 5.0L RWD Automatic & Manual
Base Coupe 1979 V8 5.7L RWD Automatic & Manual
Esprit Coupe 1980 V8 4.3L RWD Automatic & Manual
Esprit Coupe 1979 - 1980 V6 3.8L RWD Automatic & Manual
Esprit Coupe 1979 - 1980 V8 4.9L RWD Automatic & Manual
Esprit Coupe 1979 - 1980 V8 5.0L RWD Automatic & Manual
Esprit Coupe 1979 V8 5.7L RWD Automatic & Manual
Formula Coupe 1980 V8 4.9L Turbo RWD Automatic & Manual
Formula Coupe 1979 - 1980 V8 4.9L RWD Automatic & Manual
Formula Coupe 1979 - 1980 V8 5.0L RWD Automatic & Manual
Formula Coupe 1979 V8 5.7L RWD Automatic & Manual
Formula Coupe 1979 V8 6.6L RWD Automatic & Manual
Trans Am Coupe 1980 V8 4.9L Turbo RWD Automatic & Manual
Trans Am Coupe 1980 V8 5.0L RWD Automatic & Manual
Trans Am Coupe 1979 - 1980 V8 4.9L RWD Automatic & Manual
Trans Am Coupe 1979 V8 6.6L 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

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 174-510
ACDelco 18M80
Aimco M900241
Alltech Automotive 100-2207
ARI 783-36002
ARI 83-36002
ARI 83-50002
Autospecialty M-82002
Bendix 11745
CARDONE New 13-1745
CARDONE Reman 10-1745
Centric Parts 130.62002
Centric Parts 131.62002
Coni-Seal MC101258
DFC Brake Master Cylinders - Archived 355-45000
Fenco M1745
Fenco NM1745
General Motors 18002067
General Motors 18005285
General Motors 18009576
Raybestos Brakes 101258
Raybestos Brakes MC39028
Wagner Brake F101258

Fits Years: 1976 1977 1978 1979 1980

Fits Models: DeVille, Electra, Estate Wagon, Firebird, Fleetwood, LeSabre, Riviera, Seville

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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.

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