Dorman - First Stop Drum Brake Wheel Cylinder P/N:W3677
Convert hydraulic line pressure into the force that pushes the brake shoes against the drum with the Dorman - First Stop Drum Brake Wheel Cylinder (P/N W619012). It installs as a direct replacement rear wheel cylinder for the 2011-2015 Chevrolet Matiz [All] and the 2004-2010 Pontiac Matiz [All], fitting the rear right or rear left position. Replacing the cylinder while you service the drum brakes is a fast, straightforward way to keep the hydraulic side of the brake working as intended.
Signs the original may need replacing include fluid seepage at the cylinder, a soft or sinking brake pedal, or shoes that drag or grab. Diagnose the cause before replacing. Country of origin: Taiwan.
Interchange: 134.99024 · 375-92012 · 37592012 · 96320670 · 96518606 · 96860200 · LC3700914 · Manufacturer part number W619012.
This part cross-references / interchanges with the following part numbers:
What position does this wheel cylinder fit?
It fits the rear position and works on either the rear right or rear left side of the drum brake.
Which vehicles does the W619012 fit?
It is a direct replacement for the 2011-2015 Chevrolet Matiz [All] and the 2004-2010 Pontiac Matiz [All]. Check the Buyer's Guide tab to confirm your vehicle.
Does it include a bleeder screw?
Yes, the bleeder screw is included. The bleeder screw cap is not included.
What are the bore and inlet specs?
The inside diameter is 0.688 in, and the inlet uses an M10 x 1.0 thread (10 mm diameter, 1.0 pitch).
Should I replace both sides at once?
This cylinder is sold individually. It's good practice to service both rear wheel cylinders together for even, balanced braking.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.