Dorman - First Stop Drum Brake Wheel Cylinder W37335
Dorman - First Stop Drum Brake Wheel Cylinder W37335 - view 2
Dorman - First Stop Drum Brake Wheel Cylinder W37335 - view 3
Dorman - First Stop Drum Brake Wheel Cylinder W37335
Dorman - First Stop Drum Brake Wheel Cylinder W37335 - view 2
Dorman - First Stop Drum Brake Wheel Cylinder W37335 - view 3

Dorman - First Stop Drum Brake Wheel Cylinder P/N:W37335

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$16.99
MPN: W37335
Item Package Quantity: 1

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Dorman - First Stop Drum Brake Wheel Cylinder P/N:W37335
Dorman - First Stop Drum Brake Wheel Cylinder P/N:W37335
$16.99

Turn brake-line pressure into stopping force with the Dorman – First Stop Drum Brake Wheel Cylinder W37335. Mounted in the drum brake assembly, this hydraulic cylinder pushes the brake shoes outward against the drum when you apply the pedal. Cataloged for the rear (rear right) position, it fits the 1974-1977, 1978-1979 and 1985-1991 Dodge Colt; 1985-1987 Hyundai Pony; 1976-1980 Plymouth Arrow; and the 1976-1977, 1978-1979 and 1985-1990 Plymouth Colt (all engines).

  • Cast iron body: the cylinder is made of cast iron.
  • EPDM rubber cups and boots: high-quality EPDM cups and boots for long-lasting performance.
  • Surface-tested bore: the wheel cylinder bore is surface-tested to provide an optimum sealing surface for the pressure cups.
  • Bleeder screw included: a bleeder screw is included; a bleeder screw cap is not included.
  • Key specs: 0.75 in inside diameter bore and 3/8-24 in inlet thread.

Dorman built W37335 as a direct-fit replacement for the original wheel cylinder on the listed vehicles, and each unit is manufactured and tested for quality assurance. Package contents: one drum brake wheel cylinder — per-application quantity varies (some listed vehicles use one, others two), so check yours; replacing both sides together supports even, balanced braking. Country of origin: China.

Interchange: 18E129 · 784-16012 · 78416012 · 84-16012 · 8416012 · 84-16401 · 8416401 · W906415 · W-52012 · W52012 · W-52401 · W52401 · 072-5093 · 0725093 · 33766 · 134.46012 · 134.46401 · 135.46401 · WC13766 · WC137661 · 375-43001 · 37543001 · 375-43002 · 37543002 · MA180750 · 2037335 · WC37335 · F100995 · WC100995
Manufacturer part number W37335.

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

18E129, 784-16012, 84-16012, 84-16401, W906415, W-52012, W-52401, 072-5093, 33766, 134.46012, 134.46401, 135.46401, WC13766, WC137661, 375-43001, 375-43002, MA180750, 2037335, WC37335, F100995, WC100995

Frequently Asked Questions

What does the W37335 wheel cylinder do?

It is the hydraulic actuator in the drum brake. When you press the pedal, fluid pressure pushes its pistons and cups outward, forcing the brake shoes against the drum.

Does it come with a bleeder screw?

Yes, a bleeder screw is included. A bleeder screw cap is not included.

What position is this wheel cylinder for?

It is cataloged for the rear (rear right) position on the listed applications.

Which vehicles does it fit?

The Dodge Colt (1974-1977, 1978-1979, 1985-1991), Hyundai Pony (1985-1987), Plymouth Arrow (1976-1980) and Plymouth Colt (1976-1977, 1978-1979, 1985-1990). See the Buyer's Guide tab.

How many do I need?

The package includes one cylinder. Per-application quantity varies—some listed vehicles use one, others two—so check yours; replacing both sides together helps keep braking balanced.

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