Dorman - First Stop Drum Brake Wheel Cylinder P/N:W10588
Bring firm, even drum-brake action back to the rear axle with the Dorman - First Stop Drum Brake Wheel Cylinder (MPN W37250). Mounted at the rear left, this cylinder uses brake-line hydraulic pressure to force the brake shoes outward against the drum. It drops in as a direct replacement across a wide range of Ford vans and trucks, including the 2003-2004 Ford E-250, 2000-2002 Ford E-250 Econoline, 2003-2004 Ford E-350 Club Wagon, 1990-1998 Ford E-350 Econoline, 1990-2002 Ford E-350 Econoline Club Wagon, 1999-2000 and 2004 Ford E-350 Super Duty, 2003-2004 Ford E-450 Super Duty, 1988-2003 Ford F-350, and 1999-2000 Ford F-350 Super Duty (engine: All) — see the Buyer's Guide tab for the full list.
Engineered and quality-tested as a direct replacement to deliver the fit, function, and performance of the original wheel cylinder on the listed applications. Country of origin: China.
Interchange: 18E857 · 18E88 · 784-42013 · 78442013 · 784-85013 · 78485013 · 84-42013 · 8442013 · W906346 · W-85013 · W85013 · 33547 · 33945 · 134.65013 · 135.65013 · WC13945 · 375-54072 · E7TZ2262A · F4TZ2262A · 391320C91 · 2037250 · WC37250 · F113757 · WC113757. Manufacturer part number W37250.
This part cross-references / interchanges with the following part numbers:
What does this drum brake wheel cylinder do?
It uses hydraulic pressure from the brake line to push the drum brake shoes outward against the drum. The EPDM cups and boots seal the piston bore as it does so.
Where does W37250 mount?
The catalog lists this cylinder as the rear left drum brake wheel cylinder for the listed applications.
Does it come with a bleeder screw?
Yes, a bleeder screw is included. A bleeder screw cap is not included, per the catalog.
What are the bore and thread specs?
It has a 1.188 in inside diameter bore and a 3/8-24 in inlet thread size.
What are signs this wheel cylinder may need replacing?
Signs may include brake fluid seeping at the rear drum, a soft or spongy pedal, or uneven braking. Diagnose the cause before replacing, since other components can cause the same symptoms.
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.