Dorman - First Stop Drum Brake Wheel Cylinder P/N:W3677
Convert hydraulic line pressure into the shoe-clamping force your drum brakes rely on with the Dorman - First Stop Drum Brake Wheel Cylinder W610207. It installs as a direct-fit replacement for the 2005-2009 Chevrolet W5500HD Tiltmaster, 2005-2009 GMC W5500HD Forward, 2004 Hino FD2320, 2014-2015 Isuzu NQR, and 2005-2016 Isuzu NRR (All engines), and is cataloged for the rear-left-forward and front-right-forward positions.
The wheel cylinder uses brake-fluid pressure to push its pistons outward and force the brake shoes against the drum. Signs this part may need replacing include brake fluid seeping at the backing plate, a low or spongy pedal, or uneven drum braking — diagnose the cause before replacing. It measures 1-5/16 in inside diameter and 2.29 in outside diameter, is 4.27 in long, and has an M10 x 1.0 inlet thread with four mounting holes. Mounting hardware is not included; consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: Taiwan.
Interchange: 134.76043 · 375-47096 · 37547096 · 97372821 · S475101620 · 8973728210 · 8983172780 · Manufacturer part number W610207
This part cross-references / interchanges with the following part numbers:
What does the Dorman W610207 wheel cylinder do?
It uses brake-fluid pressure to push its pistons outward, forcing the drum brake shoes against the drum to slow the vehicle.
Which vehicles does this wheel cylinder fit?
It's a direct-fit replacement for the 2005-2009 Chevrolet W5500HD Tiltmaster, 2005-2009 GMC W5500HD Forward, 2004 Hino FD2320, 2014-2015 Isuzu NQR, and 2005-2016 Isuzu NRR.
Does it include a bleeder screw and mounting hardware?
Yes, a bleeder screw is included (the bleeder screw cap is not). Mounting hardware is not included; consult the service information for the correct fasteners.
What are the key dimensions and thread size?
It has a 1-5/16 in inside diameter, a 2.29 in outside diameter, a 4.27 in length, four mounting holes, and an M10 x 1.0 inlet thread.
What are signs the wheel cylinder may need replacing?
Brake fluid leaking at the backing plate, a low or spongy pedal, or uneven drum braking may be signs. Diagnose the cause before replacing, as other parts can produce these symptoms.
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.