Dorman - First Stop Drum Brake Wheel Cylinder W37353
Dorman - First Stop Drum Brake Wheel Cylinder W37353 - view 2
Dorman - First Stop Drum Brake Wheel Cylinder W37353 - view 3
Dorman - First Stop Drum Brake Wheel Cylinder W37353
Dorman - First Stop Drum Brake Wheel Cylinder W37353 - view 2
Dorman - First Stop Drum Brake Wheel Cylinder W37353 - view 3

Dorman - First Stop Drum Brake Wheel Cylinder P/N:W37353

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$31.99
MPN: W37353
Item Package Quantity: 1
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Dorman - First Stop Drum Brake Wheel Cylinder P/N:W37353
Dorman - First Stop Drum Brake Wheel Cylinder P/N:W37353
$31.99

Keep your rear drum brakes clamping with even hydraulic force using the Dorman - First Stop Drum Brake Wheel Cylinder W37353. It drops in as a direct-fit replacement for the 1963-1965 and 1975-1980 MG MGB and the 1968-1972 Austin America (All engines), where brake fluid from the master cylinder enters the cylinder and drives its pistons outward to force the brake shoes against the drum.

Dorman engineered it to match the original rear wheel cylinder's fit, function and performance on the listed vehicles, and each unit is manufactured and tested for quality.

  • Cast-iron body: a surface-tested bore provides an optimal sealing surface for the pressure cups.
  • EPDM rubber cups and boots: quality sealing components built for long-lasting performance.
  • Bleeder screw included: a bleeder screw cap is not included.
  • Key specs: 0.813 in inside diameter with a 3/8-24 in inlet thread.

Replacing the wheel cylinder while servicing the drum brakes is a fast, cost-effective way to help keep braking performance consistent. The listed applications use two cylinders per vehicle, so order two for a complete rear job; this listing is packaged as one cylinder. Country of origin: Italy.

Interchange: 84-76100 · 8476100 · W906430 · P5118 · W-12100 · W12100 · 072-2280 · 0722280 · 33743 · GWC1103 · 134.25100 · 13425100 · WC254550 · 375-64005 · 37564005 · WC37353 · F106827 · WC106827. Manufacturer part number W37353.

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

84-76100, W906430, P5118, W-12100, 072-2280, 33743, GWC1103, 134.25100, WC254550, 375-64005, WC37353, F106827, WC106827

Frequently Asked Questions

What does the W37353 wheel cylinder do?

It converts hydraulic pressure from the master cylinder into mechanical force, pushing its pistons outward so the shoes press against the brake drum on the rear axle.

Which vehicles does it fit?

It's a direct-fit replacement for the 1963-1965 and 1975-1980 MG MGB and the 1968-1972 Austin America (All engines). See the Buyer's Guide tab to confirm your vehicle.

How many should I order?

The listed applications use two cylinders per vehicle, so order two for a complete rear brake job. This listing is packaged as one cylinder.

Is a bleeder screw included?

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

What are signs the wheel cylinder may need replacing?

Fluid seeping at the backing plate, a soft or sinking pedal, or uneven rear braking can be signs. Diagnose the cause first; if the cylinder is at fault, this replaces it.

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