Bring firm, hydraulically-actuated stopping power back to your rear drum brakes with the Dorman - First Stop Drum Brake Wheel Cylinder W610188. It fits as the rear right forward wheel cylinder on medium-duty trucks including the 2016-2017 Chevrolet LCF 4500, 2017 Chevrolet LCF 4500XD and LCF 5500HD, 2004-2010 Chevrolet W4500 and W5500 Tiltmaster, 2009 Chevrolet W5500HD Tiltmaster, 2004-2010 GMC W4500 and W5500 Forward, 2009 GMC W5500HD Forward, 2004-2009 and 2012-2016 Isuzu NPR-HD, and 2004-2016 Isuzu NQR (engine: All, one per application) — see the Buyer's Guide tab for the full list.
The wheel cylinder takes pressurized brake fluid from the hydraulic system and pushes its internal pistons outward to force the brake shoes against the drum. Signs this part may need replacing include fluid weeping around the drum backing plate, a soft or spongy pedal, or uneven rear braking — diagnose the cause before replacing.
- Direct-fit design: engineered to drop in like the original wheel cylinder on the listed applications; manufactured and tested for quality assurance.
- EPDM rubber cups and boots: made with high-quality EPDM rubber for long-lasting performance.
- Surface-tested bores: the wheel cylinder bores are surface-tested to provide an optimum sealing surface for the pressure cups.
- Cast iron body with an M10 x 1.0 inlet thread and a 1.313 in inside diameter; bleeder screw included (bleeder screw cap not included).
Country of origin: China.
Interchange: 134.76051 · 375-47104 · 37547104 · 97358881 · 8973588810 · WC370235 · Manufacturer part number W610188
This part cross-references / interchanges with the following part numbers:
134.76051, 375-47104, 97358881, 8973588810, WC370235
