Dorman - First Stop Drum Brake Wheel Cylinder P/N:W10581
Convert brake-line pressure into the force that pushes your drum-brake shoes outward with the Dorman - First Stop Drum Brake Wheel Cylinder W35326. It's a direct-fit hydraulic replacement cataloged for classic trucks, vans and SUVs including the 1966-1975 Ford Bronco, 1969-1974 Ford E-100 Econoline, 1973 Chevrolet C20 Pickup and 1982-1990 Dodge B350 — see the Buyer's Guide tab for all 38 applications. It's cataloged for the front or rear, left or right position depending on the vehicle.
Replacing the wheel cylinder while the drum brakes are already apart is a practical time to service it. Signs it may need replacing include fluid seeping at the backing plate or a low, soft pedal — diagnose the cause first, as those can have other sources. Made in China.
Manufacturer part number: W35326.
What does this wheel cylinder do?
It's the hydraulic actuator in a drum brake. It converts brake-line pressure from the master cylinder into mechanical force that pushes the brake shoes outward against the drum.
Which vehicles does it fit?
It's cataloged for 38 applications, including the 1966-1975 Ford Bronco, 1969-1974 Ford E-100 Econoline, 1973 Chevrolet C20 Pickup and 1982-1990 Dodge B350. Check the Buyer's Guide tab to confirm your exact vehicle.
Does it include a bleeder screw?
Yes, a bleeder screw is included. A bleeder screw cap is not included.
What are the bore and thread specs?
It has a 1.125 in inside-diameter bore and a 3/8-24 in inlet thread, with a cast iron body and EPDM rubber cups and boots.
How do I know if my wheel cylinder needs replacing?
Signs it may need replacing include brake fluid leaking at the backing plate, a low or soft brake pedal, or seized pistons. Diagnose the cause before replacing, since these can have other sources.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.