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DORMAN M639011  
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DORMAN M639011 Specifications
Master Cylinder Bore Diameter (IN)0.813
Master Cylinder MaterialCast Iron
Mounting Hardware IncludedNo
Number of Outlets4
Primary Outlet Thread Pitch (MM)1
Rearward Outlet SizeM10 x 1.0
Reservoir IncludedNo
Secondary Outlet Thread Diameter (MM)12
Sensor IncludedNo

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.

Features & Benefits:
  • Precise replacement - cylinder housing is constructed to match the casting material of the original part and ensure similar performance
  • Durable design - all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
  • 100% new - made entirely of new materials, not remanufactured, to ensure highest quality and safety
  • Strict specifications - made to meet rigorous SAE International standards

Attention California Customers - WARNING: Cancer and Reproductive Harm -

OEM / Interchange Numbers: 93289332

Warranty Information:
Limited Lifetime
Warranty Details