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Brake master cylinder
Part # M64885 | Line Code: DOR


Not Fitted / Universal

Product Details
Master Cylinder Material Cast Iron
Master Cylinder Bore Diameter 1
Secondary Outlet Thread Diameter 0.5
Mounting Hardware Included No
California Prop 65 Warning WARNING: This product can expose you to chemicals including Chromium, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
California Proposition 65 WARNING: Cancer and Reproductive Harm
Sensor Included No
Package Contents Master Cylinder
Item Grade Standard Replacement
Number of Outlets 2
Feature - Benefit 1 Precise replacement - cylinder housing is constructed to match the casting material of the original part and ensure similar performance
Feature - Benefit 2 Durable design - all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
Feature - Benefit 3 100% new - made entirely of new materials, not remanufactured, to ensure highest quality and safety
Feature - Benefit 4 Strict specifications - made to meet rigorous SAE International standards
Forward Outlet Size 1/2 -20
Rearward Outlet Size 9/16-18
Bore Diameter 1 In.
Installation Hardware Included No
Reservoir Included Yes
Part Terminology Brake Master Cylinder

Features & Benefits
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.

Application Summary

Chevrolet 1978-75, Chevrolet 1971-67, GMC 1978-75, GMC 1971-67
Parts Catalog
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