Dorman - First Stop Drum Brake Wheel Cylinder W37149
Dorman - First Stop Drum Brake Wheel Cylinder W37149 - view 2
Dorman - First Stop Drum Brake Wheel Cylinder W37149
Dorman - First Stop Drum Brake Wheel Cylinder W37149 - view 2

Dorman - First Stop Drum Brake Wheel Cylinder P/N:W37149

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$29.99
MPN: W37149
Item Package Quantity: 1
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Dorman - First Stop Drum Brake Wheel Cylinder P/N:W37149
Dorman - First Stop Drum Brake Wheel Cylinder P/N:W37149
$29.99

Restore firm, dependable drum-brake actuation on your classic Ford truck with the Dorman - First Stop Drum Brake Wheel Cylinder (W37149). This direct-fit replacement was engineered to match the fit, function, and performance of the original wheel cylinder, dropping in on the listed applications: 1970 Ford F-700 and F-7000, 1973 M-400, 1974 M-450, 1975-1977 F-500, 1980-1983 C600 and LN600, 1980-1994 F-600, and 1983-1994 B-600 (engine: All).

  • Cast iron body: machined to a 1.5 in inside-diameter bore, with a 3/8-24 in inlet thread.
  • EPDM rubber cups and boots: high-quality sealing components for long-lasting performance.
  • Surface-tested bores: the wheel-cylinder bore is surface-tested to provide an optimum sealing surface for the pressure cups.
  • Bleeder screw and bleeder screw cap: not included.

Mechanically, the wheel cylinder converts hydraulic brake-line pressure into outward piston travel, pushing the brake shoes against the drum. Signs it may need replacing include brake fluid seeping at the backing plate, a spongy pedal, or uneven drum-brake action; diagnose the cause before replacing, since these can have other sources. Mounting position varies by application, so check the Buyer's Guide tab. Sold individually (package contains 1) — quantity used varies by application; many listed trucks use two. Country of origin: China.

Interchange: 18E67 · 84-34008 · 8434008 · W906266 · 101-1385 · 1011385 · W-81008 · W81008 · 33607 · 134.61008 · 135.61008 · WC13607 · 375-54018 · 37554018 · C8TZ2261B · D1TZ2261A · 78743 · 2037149 · WC37149 · F78743 · WC78743. Manufacturer part number W37149.

This part cross-references / interchanges with the following part numbers:

18E67, 84-34008, W906266, 101-1385, W-81008, 33607, 134.61008, 135.61008, WC13607, 375-54018, C8TZ2261B, D1TZ2261A, 78743, 2037149, WC37149, F78743, WC78743

Frequently Asked Questions

What does this drum brake wheel cylinder do?

It converts hydraulic brake-line pressure into outward piston movement, pushing the brake shoes against the drum. The EPDM cups and boots seal the pressurized fluid inside the bore.

Does it include a bleeder screw or bleeder screw cap?

No. The bleeder screw and bleeder screw cap are not included with this wheel cylinder, so obtain those separately as needed following the service procedure.

What are the bore and inlet thread sizes?

The cast iron cylinder has a 1.5 in inside-diameter bore and a 3/8-24 in brake-line inlet thread.

How many do I need for my truck?

The package contains one wheel cylinder. Quantity per application varies—many of the listed Ford trucks use two—so confirm the amount for your vehicle in the Buyer's Guide tab.

Which vehicles does W37149 fit?

Listed Ford trucks including the 1970 F-700/F-7000, 1973 M-400, 1974 M-450, 1975-1977 F-500, 1980-1983 C600/LN600, 1980-1994 F-600, and 1983-1994 B-600. See the Buyer's Guide tab for details.

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