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  See more parts for Jeep CJ5
Select the year of your Jeep CJ5:
Dorman - First Stop Brake Master Cylinder Jeep 1977-1978 - M39809
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

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:
  • Master Cylinder Material: Cast Iron
  • Number of Outlets: 2
  • Mounting Hardware Included: No
  • Master Cylinder Bore Diameter: 1.063
  • Reservoir Included: Yes
  • Rearward Outlet Size: 1/2-20
  • Secondary Outlet Thread Diameter: 9/16-18
  • Package Contents: Master Cylinder
  • Sensor Included: No
Notes:
  • Bore: 1.0625 In.

Other Part Numbers:
Dorman #NBM39809

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Jeep CJ5 1977-1978 Golden Eagle
Jeep CJ5 1977-1978 Base
Jeep CJ5 1977-1978 Renegade
Jeep CJ7 1977-1978 Golden Eagle
Jeep CJ7 1977-1978 Renegade
Jeep CJ7 1977-1978 Base

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