Dorman - First Stop Drum Brake Wheel Cylinder P/N:W45995

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$16.99
MPN: W45995
Item Package Quantity: 1
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Dorman - First Stop Drum Brake Wheel Cylinder P/N:W45995
Dorman - First Stop Drum Brake Wheel Cylinder P/N:W45995
$16.99

Turn hydraulic pressure into stopping force with the Dorman - First Stop Drum Brake Wheel Cylinder (W45995), a front-left drum brake wheel cylinder that pushes the brake shoes outward against the drum when you press the pedal. It drops in as a direct replacement on a long list of classic GM vehicles, including the 1973-1974 Buick Apollo, 1965-1967 Chevrolet Chevelle, 1967-1969 Chevrolet Camaro, 1970-1974 Chevrolet Nova, 1967-1969 Pontiac Firebird and 1964-1967 Pontiac GTO — see the Buyer's Guide tab for the full list.

  • Ideal replacement: designed as a direct-fit replacement for the original wheel cylinder on the listed applications.
  • Quality materials: built with high-quality EPDM rubber cups and boots.
  • Professionally tested: the cylinder bore is surface-tested to provide an optimum sealing surface for the pressure cups.
  • Specs: cast iron body, 1.125 in inside diameter, 7/16-20 UNF inlet thread (7/16 in thread diameter); a bleeder screw is included (the bleeder screw cap is not included).

Replacing the wheel cylinder while servicing your drum brakes is a cost-effective way to help keep the hydraulic side working correctly. If a leaking or seized wheel cylinder is behind a low or spongy pedal, this unit replaces it. Country of origin: China.

Interchange: 784-36040 · 78436040 · 84-36040 · 8436040 · W906205 · 101-1485 · 1011485 · W-82040 · W82040 · 33587 · 134.62040 · 135.62040 · WC13587 · 375-47025 · 37547025 · 18010301 · 5464980 · 5469303 · 45995 · 2037019 · WC37019 · F45995 · WC45995. Manufacturer part number W45995.

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

784-36040, 84-36040, W906205, 101-1485, W-82040, 33587, 134.62040, 135.62040, WC13587, 375-47025, 18010301, 5464980, 5469303, 45995, 2037019, WC37019, F45995, WC45995

Frequently Asked Questions

What does this wheel cylinder do?

It converts hydraulic pressure from the brake system into the mechanical force that pushes the drum brake shoes outward against the drum when you apply the brakes.

Is a bleeder screw included?

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

What are the bore size and inlet thread?

It has a 1.125 in inside diameter (bore) and a 7/16-20 UNF inlet thread, with a 7/16 in thread diameter.

Which position and vehicles does it fit?

It is cataloged for the front-left position on classic GM models such as the Buick Apollo, Chevrolet Camaro and Nova, and Pontiac GTO. Check the Buyer's Guide tab for the full list.

Do I need more than one?

This listing includes one front-left wheel cylinder. For balanced braking, replacing the opposite-side cylinder at the same time is good practice.