Dorman - First Stop Drum Brake Wheel Cylinder P/N:W37590

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$10.99
MPN: W37590
Item Package Quantity: 1
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Dorman - First Stop Drum Brake Wheel Cylinder P/N:W37590
Dorman - First Stop Drum Brake Wheel Cylinder P/N:W37590
$10.99

Put hydraulic pressure to work at the rear drums with the Dorman drum brake wheel cylinder W37590 from the Dorman - First Stop line. When you press the pedal, it pushes the brake shoes out against the drum. It fits many vehicles, among them the 1984-1987 Dodge Charger, 1983-1987 Chrysler Town & Country and 1983-1988 Dodge 600. See the Buyer's Guide tab for the full list and engine details.

Dorman designed this direct-replacement rear wheel cylinder to mirror the original unit's fit, function and performance on the listed applications. Each unit is manufactured and tested for quality assurance.

  • Direct match: Designed as a direct counterpart to the original drum brake wheel cylinder on the listed vehicles.
  • Cost-effective service: Replacing the wheel cylinder while the drum brakes are already apart is a quick, economical way to renew a key hydraulic component during the brake job.
  • EPDM rubber cups and boots: The pressure cups and boots are made from high-quality EPDM rubber.
  • Surface-tested bores: The cylinder bores are surface-tested to provide an optimum sealing surface for the pressure cups.

Signs a wheel cylinder may need replacing include brake fluid seeping from behind the drum or onto the shoes, a soft or sinking brake pedal, and a dropping brake fluid level. If a leaking or sticking wheel cylinder is the cause, this unit replaces it. Bleed the brake system after installation as directed by the vehicle service information.

Interchange: 784-32004 · 84-32004 · 101-1531 · W-83004 · 134.63004 · 135.63004 · 375-39002
78432004 · 8432004 · 1011531 · W83004 · 13463004 · 13563004 · 37539002 · 18E212 · W906531 · 33863 · 4238706 · WC13863 · 107475 · WC37590 · F107475 · WC107475

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

18E212, 784-32004, 84-32004, W906531, 101-1531, W-83004, 33863, 134.63004, 135.63004, 4238706, WC13863, 375-39002, 107475, WC37590, F107475, WC107475

Frequently Asked Questions

What does a drum brake wheel cylinder do?

It turns hydraulic pressure from the master cylinder into force, pushing the brake shoes outward against the drum when the brake pedal is pressed.

Will this fit my 1984-1987 Dodge Charger?

Yes. W37590 is listed as a direct-fit rear drum brake wheel cylinder for the 1984-1987 Dodge Charger. The Buyer's Guide tab shows the full application list.

What are the cups and boots made of?

The pressure cups and boots are made from high-quality EPDM rubber. The cylinder bores are surface-tested to give the cups an optimum sealing surface.

What are the signs of a failing wheel cylinder?

Common signs include brake fluid leaking behind the drum or onto the shoes, a soft or sinking pedal, and a dropping fluid level. Diagnose the cause before replacing parts.

Do I need to bleed the brakes after installing it?

Yes. Opening the hydraulic system lets air in, so bleed the brakes after installation and follow the vehicle service information for the correct procedure.