Dorman Rear Drum Brake Wheel Cylinder W610147 — Direct-Replace with EPDM Seals for Chevy & GMC Trucks

Dorman W610147 is a direct-replacement rear drum brake wheel cylinder engineered to restore proper brake actuation and sealing for compatible Chevrolet and GMC trucks.

This replacement wheel cylinder is built to match the original equipment's dimensions and function so you can service the rear drum brakes with confidence. Manufactured with durable components and tested for sealing and bore surface quality, the Dorman W610147 offers an economical way to address leaks, spongy pedal feel, or uneven braking when the original cylinder shows wear. Always verify fitment for your vehicle year, make, and trim in the garage tool before ordering.

Which vehicles will this wheel cylinder fit?

The Dorman W610147 was designed for certain Chevrolet and GMC light trucks from the late 2000s and early 2010s. Fitment covers specific model years and trims — confirm your exact vehicle to ensure correct application.

• Chevrolet Cheyenne 2500: 2012–2013
• Chevrolet Cheyenne: 2009–2011, 2014
• Chevrolet Colorado: 2009–2012
• Chevrolet Silverado 1500: 2008–2013
• Chevrolet Silverado 2500: 2010–2013
• GMC Canyon: 2009–2012
• GMC Sierra 1500: 2008–2013

How does this part improve braking when replacing the wheel cylinder?

Installing a fresh wheel cylinder restores hydraulic pressure delivery to the rear drum shoes and eliminates internal leaks or stuck pistons that impair braking. Dorman's unit is tested for correct bore finish and sealing, helping recover pedal firmness and consistent stopping behavior.

• Precision-machined bore for reliable sealing against pressure cups
• New EPDM rubber cups and protective boots resist fluid and heat degradation
• Replaces failed or leaking OE cylinders to stop fluid loss and restore pressure

What are the build quality and testing standards for this cylinder?

Dorman uses materials and inspection steps intended to match or exceed the original wheel cylinder's performance. Each unit undergoes surface testing to ensure the bore finish supports leak-free operation and long service life.

• High-quality EPDM cups and boots for durability
• Bore surface-tested for consistent sealing and piston movement
• Manufactured and inspected to meet replacement-part expectations

Can I install the Dorman W610147 myself during a brake service?

Yes — swapping the wheel cylinder while servicing drum brakes is a common and efficient repair. Basic brake service skills and tools are needed; follow safety practices, bleed the brake system, and verify there are no leaks after installation.

• Recommended when drum brakes are serviced or shoes replaced
• Requires brake line disconnection and system bleeding after fitment
• Use proper torque specs and inspect hardware for wear while installing

Who this is for: If you own a compatible Chevrolet or GMC pickup from the listed years and you’re experiencing brake fluid leaks, soft pedal feel, or uneven rear braking, the Dorman W610147 offers a cost-effective direct-replacement option. It’s suited for DIY mechanics and professional technicians who want a tested, dimensionally accurate cylinder to restore drum-brake performance while servicing the rear axle. Always confirm vehicle compatibility with the garage tool before purchase and follow recommended installation and bleeding procedures.

features: Ideal replacement - specifically engineered to be direct match for original drum brake wheel cylinder on particular vehicles; Cost-effective fix - replacement of cylinder while servicing drum brakes is fastest, surest way to ensure brake performance; Quality materials - made with high-quality EPDM rubber cups and boots for long-lasting performance; Professionally tested - wheel cylinder bores are surface-tested to ensure an optimum sealing surface for the pressure cups; Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool