Dorman - First Stop Drum Brake Wheel Cylinder P/N:W8852

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$32.99
MPN: W8852
Item Package Quantity: 1
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Dorman - First Stop Drum Brake Wheel Cylinder P/N:W8852
Dorman - First Stop Drum Brake Wheel Cylinder P/N:W8852
$32.99

Push the drum brake shoes firmly against the drum with the Dorman - First Stop Drum Brake Wheel Cylinder W8852 — the hydraulic actuator that converts brake-line pressure into shoe movement. It installs in the front left position and is engineered to match the original wheel cylinder's fit, function and performance on the listed applications, which include vintage Chevrolet, GMC and International trucks such as the 1951-1959 GMC 370, 1980-1985 Chevrolet C60 and C70, 1979-1983 Chevrolet P40, 1956-1957 International CO180, and more [All engines]. See the Buyer's Guide tab for the full vehicle list.

  • Cast-iron body: the wheel cylinder bores are surface-tested to provide an optimum sealing surface for the pressure cups.
  • Quality materials: built with high-quality EPDM rubber cups and boots for long-lasting performance.
  • Sized to spec: 1.125 in inside-diameter bore with a 7/16-20 inlet thread (7/16 in thread diameter).
  • Cost-effective service: replacing the cylinder while servicing the drum brakes is a quick, sure way to keep brake performance in order.

Note: a bleeder screw and bleeder screw cap are not included — transfer or replace these as directed by the service procedure. Country of origin: China.

Interchange: 18E6 · 84-52001 · 8452001 · W906038 · 101-1898 · 1011898 · W-90001 · W90001 · 33320 · 134.80001 · 135.80001 · WC250010 · 375-47110 · 37547110 · 2254355 · 5473062 · 73120R91 · WC8852 · 1688325 · F8852. Manufacturer part number W8852.

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

18E6, 84-52001, W906038, 101-1898, W-90001, 33320, 134.80001, 135.80001, WC250010, 375-47110, 2254355, 5473062, 73120R91, WC8852, 1688325, F8852

Frequently Asked Questions

What does the W8852 wheel cylinder do?

It is the hydraulic actuator in a drum brake: brake-line pressure enters through the 7/16-20 inlet and pushes the internal pistons outward, forcing the brake shoes against the drum.

What are the bore and thread specifications?

The cast-iron body has a 1.125 in inside-diameter bore and a 7/16-20 inlet thread with a 7/16 in thread diameter.

Does it come with a bleeder screw?

No. A bleeder screw is not included, and a bleeder screw cap is not included either. Transfer or source these as directed by the vehicle service procedure.

Will this fit my vehicle?

It is a direct front left replacement for listed applications such as the 1951-1959 GMC 370, 1980-1985 Chevrolet C60, and 1956-1957 International CO180. Check the Buyer's Guide tab for the full list.

Should I replace both sides at once?

Wheel cylinders are sold individually and this listing is for one. Replacing the cylinders on both sides together is good practice for even, balanced drum braking.