The Dorman M83579 Brake Master Cylinder is a precision-engineered direct replacement for select 1967-1975 Ford trucks and vans. It is made from 100% new materials—not remanufactured—ensuring highest quality and safety.
Key Features:
Cast iron construction for durability and original-style performance
EPDM rubber components resistant to glycol-based brake fluid
Meets rigorous SAE International standards
Reservoir included - ready to install
Vehicle Fitment
Compatible with the following Ford vehicles:
Year RangeModelNotes1968-1972Ford F-100w/Manual Brakes1967-1975Ford F-2501969-1974Ford E-100 Econoline1969-1974Ford E-200 Econoline1969-1974Ford E-300 Econoline
Important Fitment Notes:
For F-100 (1968-1972) - Verify manual brake application
For F-250 (1967-1975) - Fits both manual and power brake configurations
Pushrod is not included - reuse your original pushrod
Bore diameter: 1 inch
OEM Cross Reference
This master cylinder replaces the following OEM part numbers:
C8TZ2140C
C8TZ2140F
C8UZ2140A
D3UZ2140B
18002502
Interchange numbers: 10-1647, 12260, 13-1647, 71264, M-85012, M900456, MC250050, MC39468, MC79775, NM1647
Product SpecificationsSpecificationDetailBore Diameter1.000 inOutlet Quantity2Outlet Size (Rear)1/2-20Outlet Size (Front)9/16-18MaterialCast IronReservoir MaterialIronPower Brake CompatibleNoMounting Hole Quantity2RemanufacturedNo - 100% NewWhat\'s Included
1 x Brake Master Cylinder (with reservoir)
Does NOT include: Pushrod, mounting hardware, brake fluid, or sensor
Installation Notes
⚠️ Before purchasing, please verify:
Your vehicle\'s brake type (manual vs. power) - this cylinder is for manual brakes
Your original pushrod condition - you will need to reuse it
Outlet fitting sizes match your existing brake lines
Customer response Highlights
\"Fit & function is perfect on my \'68 F100 with original drum brakes.\" - Verified Buyer
\"Worked fine on my 69 Ford F100... Fast delivery and works fine.\" - Verified Buyer
\"Bolted up just like you would expect it to on a 1969 Ford e300 Econoline van.\" - Verified Buyer
Shipping & Returns