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Dorman M631038 Brake Master Cylinder Direct OE Replacement

(Chevrolet Camaro 1975-77, 1982-84, S10 1982-84, Impala 1977, Malibu 1975-77, Caprice 1977, C10 1975-77, El Camino 1975-77, Nova 1975-77 + 81 more models)

Part of: Dorman Brake Master Cylinder Replacement

Other options in this family: Dorman M39298 Dorman M19012 Dorman M390139 Dorman M630735 Dorman M390200

Manufacturer

Picture for manufacturer Dorman

Part Number

M631038
6 reviews
Sale Price

$83.53

1 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The Dorman M631038 is a 100% new brake master cylinder engineered as a direct replacement for the original equipment unit on specific vehicle applications. Unlike remanufactured alternatives, this master cylinder is built entirely from new components to deliver consistent, safe braking performance right out of the box.

Key Features:

  • Precise OE Match – Cylinder housing is constructed to match the casting material of the original part for similar fit and performance
  • Durable EPDM Rubber Components – All internal rubber seals and components use high-quality EPDM compound, providing superior resistance to glycol-based brake fluid
  • 100% New Construction – Made entirely of new materials, never remanufactured, ensuring the highest levels of quality and safety
  • SAE Compliant – Engineered to meet rigorous SAE International standards for reliable, long-term performance
  • Drop-In Fitment – Reverse-engineered from original equipment to fit seamlessly into the vehicle's brake system

Dorman has been a trusted name in the automotive aftermarket for over 100 years, offering solutions for repair professionals and vehicle owners alike. The M631038 delivers a straightforward, confidence-inspiring repair for a critical safety component.

Products specifications

Fits

Chevrolet Camaro 1975-77, 1982-84, S10 1982-84, Impala 1977, Malibu 1975-77, Caprice 1977, C10 1975-77, El Camino 1975-77, Nova 1975-77, Cavalier 1982-84, K10 1975-77, S10 Blazer 1983-84, K5 Blazer 1975-77, G20 1975-77, K20 1975-77 + 75 more models

Master Cylinder Cap Included

Yes

Mounting Hardware Included

No

Reservoir Included

Yes

Master Cylinder Bore Diameter

1.125

Bleeder Hoses Included

No

Mounting Hole Quantity

2

Reservoir Type

Removable

Brake Booster Included

No

Sensor Included

Yes

Number of Outlets

2

Rearward Outlet Size

M14 x 1.5

Package Contents

1 Master Cylinder

Mounting Bracket Included

No

Master Cylinder Material

Aluminum

Secondary Outlet Thread Diameter

14

Push Rod Included

NO

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Very easy to order, updated regularly on status, great pricing and product

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