Homeโ€บ Raybestos WC37337 Drum Brake Wheel Cylinder - Rear
Part #: WC37337

Raybestos WC37337 Drum Brake Wheel Cylinder - Rear

Element3, Rear
219 vehicles fit this part
Select your vehicle to confirm fitment
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Element3, Rear
Fitment: Workhorse, Chevrolet, and GMC, P30, Express 2500, Express 3500, Savana 2500, Savana 3500, C3500, K3500, P3500, G30, G3500, R3500, V3500, R30, V30, C30, K30, C35, G35, K35, P35, C30 Pickup, G30 Van, P30 Van, C35/C3500 Pickup, G35/G3500 Van, and P35/P3500 Van
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Reliable Drum Brake Wheel Cylinder for Chevrolet and GMC Trucks

The Raybestos Element3 Drum Brake Wheel Cylinder WC37337 is engineered to restore precise braking performance for heavy-duty Chevrolet and GMC vehicles. Designed with a 1.188-inch cylinder bore diameter, this wheel cylinder ensures consistent hydraulic pressure for safe and effective drum brake operation.

  • Compatible with Chevrolet and GMC models including C30, C3500, Express 2500/3500, G30, K30, K3500, P30, P3500, R30, R3500, Savana 2500/3500, V30, and V3500
  • 1.188-inch cylinder bore diameter for accurate hydraulic function
  • Part number WC37337 for precise identification and fitment
  • Manufactured by Raybestos under the Element3 product line

About the Raybestos Element3 Product Line

The Element3 line by Raybestos focuses on delivering dependable brake hydraulics components designed to meet or exceed OEM specifications. This product line emphasizes durability and consistent performance, making it suitable for demanding applications in commercial and heavy-duty vehicles such as Chevrolet and GMC trucks. The WC37337 wheel cylinder benefits from this engineering approach, providing reliable braking system operation.

Product Details and Specifications

The Raybestos Element3 Drum Brake Wheel Cylinder WC37337 features a 1.188-inch cylinder bore diameter, a critical dimension that ensures proper hydraulic pressure and brake shoe movement within the drum brake assembly. This part is specifically designed for use in a range of Chevrolet and GMC heavy-duty trucks and vans, including models like the Express 2500 and Savana 3500. The precise bore size supports consistent brake fluid flow and helps maintain balanced braking force on the rear wheels.

Common Applications and Problem Resolution

  • Restores braking performance in Chevrolet C3500 and GMC K3500 trucks
  • Replaces leaking or seized wheel cylinders in Express 2500 and Savana 3500 vans
  • Addresses uneven brake shoe wear caused by faulty hydraulic pressure
  • Eliminates brake drag or spongy pedal feel in drum brake systems
  • Prevents brake fluid leaks that can compromise braking safety

Installation Notes and Tips

When installing the Raybestos Element3 WC37337 wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely supported. Clean the backing plate and inspect brake shoes for wear before assembly. Use the correct cylinder bore diameter of 1.188 inches to verify compatibility with your vehicleโ€™s brake hardware. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic pressure.

Quality Assurance and Warranty

Raybestos manufactures the Element3 WC37337 wheel cylinder to meet stringent quality standards, ensuring reliable performance in heavy-duty brake applications. While specific warranty details may vary, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Refer to the product packaging or Raybestos documentation for exact warranty terms.

BrandRaybestos
Part NumberWC37337
PositionElement3, Rear
Cylinder Bore Diameter1.188

This part fits 219 vehicles. Search below:

YearMakeModelFuel TypePositionNotes
2002ChevroletExpress 2500DIESELRearElement3
2002ChevroletExpress 3500RearFits vehicles with dual rear wheels.; Element3
2002GMCSavana 2500DIESELRearElement3
2002GMCSavana 3500RearFits vehicles with dual rear wheels.; Element3
2001ChevroletExpress 2500DIESELRearElement3
2001ChevroletExpress 3500RearFits vehicles with dual rear wheels.; Element3
2001GMCSavana 2500DIESELRearElement3
2001GMCSavana 3500RearFits vehicles with dual rear wheels.; Element3
2000ChevroletC3500RearFits vehicles with dual rear wheels.; Element3
2000ChevroletExpress 3500RearFits vehicles with dual rear wheels.; Element3
2000ChevroletK3500RearFits vehicles with dual rear wheels.; Element3
2000GMCC3500RearFits vehicles with dual rear wheels.; Element3
2000GMCK3500RearFits vehicles with dual rear wheels.; Element3
2000GMCSavana 3500RearFits vehicles with dual rear wheels.; Element3
1999ChevroletC3500RearFits vehicles with dual rear wheels.; Element3
1999ChevroletExpress 3500RearFits vehicles with dual rear wheels.; Element3
1999ChevroletK3500RearFits vehicles with dual rear wheels.; Element3
1999ChevroletP30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1999GMCC3500RearFits vehicles with dual rear wheels.; Element3
1999GMCK3500RearFits vehicles with dual rear wheels.; Element3
1999GMCP3500RearFits vehicles with dual rear wheels.; Element3
1999GMCSavana 3500RearFits vehicles with dual rear wheels.; Element3
1998ChevroletC3500RearFits vehicles with dual rear wheels.; Element3
1998ChevroletExpress 3500RearFits vehicles with dual rear wheels.; Element3
1998ChevroletK3500RearFits vehicles with dual rear wheels.; Element3
1998ChevroletP30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1998GMCC3500RearFits vehicles with dual rear wheels.; Element3
1998GMCK3500RearFits vehicles with dual rear wheels.; Element3
1998GMCP3500RearFits vehicles with dual rear wheels.; Element3
1998GMCSavana 3500RearFits vehicles with dual rear wheels.; Element3
1997ChevroletC3500RearFits vehicles with dual rear wheels.; Element3
1997ChevroletExpress 3500RearFits vehicles with dual rear wheels.; Element3
1997ChevroletK3500RearFits vehicles with dual rear wheels.; Element3
1997ChevroletP30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1997GMCC3500RearFits vehicles with dual rear wheels.; Element3
1997GMCK3500RearFits vehicles with dual rear wheels.; Element3
1997GMCP3500RearFits vehicles with dual rear wheels.; Element3
1997GMCSavana 3500RearFits vehicles with dual rear wheels.; Element3
1996ChevroletC3500RearFits vehicles with dual rear wheels.; Element3
1996ChevroletExpress 3500RearFits vehicles with dual rear wheels.; Element3
1996ChevroletG30RearFits vehicles with dual rear wheels.; Element3
1996ChevroletK3500RearFits vehicles with dual rear wheels.; Element3
1996ChevroletP30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1996GMCC3500RearFits vehicles with dual rear wheels.; Element3
1996GMCG3500RearFits vehicles with dual rear wheels.; Element3
1996GMCK3500RearFits vehicles with dual rear wheels.; Element3
1996GMCP3500RearFits vehicles with dual rear wheels.; Element3
1996GMCSavana 3500RearFits vehicles with dual rear wheels.; Element3
1995ChevroletC3500RearFits vehicles with dual rear wheels.; Element3
1995ChevroletG30RearFits vehicles with dual rear wheels.; Element3
1995ChevroletK3500RearFits vehicles with dual rear wheels.; Element3
1995ChevroletP30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1995GMCC3500RearFits vehicles with dual rear wheels.; Element3
1995GMCG3500RearFits vehicles with dual rear wheels.; Element3
1995GMCK3500RearFits vehicles with dual rear wheels.; Element3
1995GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1994ChevroletC3500RearFits vehicles with dual rear wheels.; Element3
1994ChevroletG30RearFits vehicles with dual rear wheels.; Element3
1994ChevroletK3500RearFits vehicles with dual rear wheels.; Element3
1994ChevroletP30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1994GMCC3500RearFits vehicles with dual rear wheels.; Element3
1994GMCG3500RearFits vehicles with dual rear wheels.; Element3
1994GMCK3500RearFits vehicles with dual rear wheels.; Element3
1994GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1993ChevroletC3500RearFits vehicles with dual rear wheels.; Element3
1993ChevroletG30RearFits vehicles with dual rear wheels.; Element3
1993ChevroletK3500RearFits vehicles with dual rear wheels.; Element3
1993ChevroletP30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1993GMCC3500RearFits vehicles with dual rear wheels.; Element3
1993GMCG3500RearFits vehicles with dual rear wheels.; Element3
1993GMCK3500RearFits vehicles with dual rear wheels.; Element3
1993GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1992ChevroletC3500RearFits vehicles with dual rear wheels.; Element3
1992ChevroletG30RearFits vehicles with dual rear wheels.; Element3
1992ChevroletK3500RearFits vehicles with dual rear wheels.; Element3
1992ChevroletP30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1992GMCC3500RearFits vehicles with dual rear wheels.; Element3
1992GMCG3500RearFits vehicles with dual rear wheels.; Element3
1992GMCK3500RearFits vehicles with dual rear wheels.; Element3
1992GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1991ChevroletC3500RearFits vehicles with dual rear wheels.; Element3
1991ChevroletG30RearFits vehicles with dual rear wheels.; Element3
1991ChevroletK3500RearFits vehicles with dual rear wheels.; Element3
1991ChevroletP30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1991ChevroletR3500RearFits vehicles with dual rear wheels.; Element3
1991ChevroletV3500RearFits vehicles with dual rear wheels.; Element3
1991GMCC3500RearFits vehicles with dual rear wheels.; Element3
1991GMCG3500RearFits vehicles with dual rear wheels.; Element3
1991GMCK3500RearFits vehicles with dual rear wheels.; Element3
1991GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1991GMCR3500RearFits vehicles with dual rear wheels.; Element3
1991GMCV3500RearFits vehicles with dual rear wheels.; Element3
1990ChevroletC3500RearFits vehicles with dual rear wheels.; Element3
1990ChevroletG30RearFits vehicles with dual rear wheels.; Element3
1990ChevroletK3500RearFits vehicles with dual rear wheels.; Element3
1990ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1990ChevroletR3500RearFits vehicles with dual rear wheels.; Element3
1990ChevroletV3500RearFits vehicles with dual rear wheels.; Element3
1990GMCC3500RearFits vehicles with dual rear wheels.; Element3
1990GMCG3500RearFits vehicles with dual rear wheels.; Element3
1990GMCK3500RearFits vehicles with dual rear wheels.; Element3
1990GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1990GMCR3500RearFits vehicles with dual rear wheels.; Element3
1990GMCV3500RearFits vehicles with dual rear wheels.; Element3
1989ChevroletC3500RearFits vehicles with dual rear wheels.; Element3
1989ChevroletG30RearFits vehicles with dual rear wheels.; Element3
1989ChevroletK3500RearFits vehicles with dual rear wheels.; Element3
1989ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1989ChevroletR3500RearFits vehicles with dual rear wheels.; Element3
1989ChevroletV3500RearFits vehicles with dual rear wheels.; Element3
1989GMCC3500RearFits vehicles with dual rear wheels.; Element3
1989GMCG3500RearFits vehicles with dual rear wheels.; Element3
1989GMCK3500RearFits vehicles with dual rear wheels.; Element3
1989GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1989GMCR3500RearFits vehicles with dual rear wheels.; Element3
1989GMCV3500RearFits vehicles with dual rear wheels.; Element3
1988ChevroletC3500RearFits vehicles with dual rear wheels.; Element3
1988ChevroletG30RearFits vehicles with dual rear wheels.; Element3
1988ChevroletK3500RearFits vehicles with dual rear wheels.; Element3
1988ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1988ChevroletR30RearFits vehicles with dual rear wheels.; Element3
1988ChevroletV30RearFits vehicles with dual rear wheels.; Element3
1988GMCC3500RearFits vehicles with dual rear wheels.; Element3
1988GMCG3500RearFits vehicles with dual rear wheels.; Element3
1988GMCK3500RearFits vehicles with dual rear wheels.; Element3
1988GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1988GMCR3500RearFits vehicles with dual rear wheels.; Element3
1988GMCV3500RearFits vehicles with dual rear wheels.; Element3
1987ChevroletG30RearFits vehicles with dual rear wheels.; Element3
1987ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1987ChevroletR30RearFits vehicles with dual rear wheels.; Element3
1987ChevroletV30RearFits vehicles with dual rear wheels.; Element3
1987GMCG3500RearFits vehicles with dual rear wheels.; Element3
1987GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1987GMCR3500RearFits vehicles with dual rear wheels.; Element3
1987GMCV3500RearFits vehicles with dual rear wheels.; Element3
1986ChevroletC30RearFits vehicles with dual rear wheels.; Element3
1986ChevroletG30RearFits vehicles with dual rear wheels.; Element3
1986ChevroletK30RearFits vehicles with dual rear wheels.; Element3
1986ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1986GMCC3500RearFits vehicles with dual rear wheels.; Element3
1986GMCG3500RearFits vehicles with dual rear wheels.; Element3
1986GMCK3500RearFits vehicles with dual rear wheels.; Element3
1986GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1985ChevroletC30RearFits vehicles with dual rear wheels.; Element3
1985ChevroletG30RearFits vehicles with dual rear wheels.; Element3
1985ChevroletK30RearFits vehicles with dual rear wheels.; Element3
1985ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1985GMCC3500RearFits vehicles with dual rear wheels.; Element3
1985GMCG3500RearFits vehicles with dual rear wheels.; Element3
1985GMCK3500RearFits vehicles with dual rear wheels.; Element3
1985GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1984ChevroletC30RearFits vehicles with dual rear wheels.; Element3
1984ChevroletG30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1984ChevroletK30RearFits vehicles with dual rear wheels.; Element3
1984ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1984GMCC3500RearFits vehicles with dual rear wheels.; Element3
1984GMCG3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1984GMCK3500RearFits vehicles with dual rear wheels.; Element3
1984GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1983ChevroletC30RearFits vehicles with dual rear wheels.; Element3
1983ChevroletG30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1983ChevroletK30RearFits vehicles with dual rear wheels.; Element3
1983ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1983GMCC3500RearFits vehicles with dual rear wheels.; Element3
1983GMCG3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1983GMCK3500RearFits vehicles with dual rear wheels.; Element3
1983GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1982ChevroletC30RearFits vehicles with dual rear wheels.; Element3
1982ChevroletG30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1982ChevroletK30RearFits vehicles with dual rear wheels.; Element3
1982ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1982GMCC3500RearFits vehicles with dual rear wheels.; Element3
1982GMCG3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1982GMCK3500RearFits vehicles with dual rear wheels.; Element3
1982GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1981ChevroletC30RearFits vehicles with dual rear wheels.; Element3
1981ChevroletG30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1981ChevroletK30RearFits vehicles with dual rear wheels.; Element3
1981ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1981GMCC3500RearFits vehicles with dual rear wheels.; Element3
1981GMCG3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1981GMCK3500RearFits vehicles with dual rear wheels.; Element3
1981GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1980ChevroletC30RearFits vehicles with dual rear wheels.; Element3
1980ChevroletG30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1980ChevroletK30RearFits vehicles with dual rear wheels.; Element3
1980ChevroletP30Rearwith 13-3/4in x 1-17/32in Brakes; with 13 IN x 3-1/2 IN Brakes; Element3
1980GMCC3500RearFits vehicles with dual rear wheels.; Element3
1980GMCG3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1980GMCK3500RearFits vehicles with dual rear wheels.; Element3
1980GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1979ChevroletC30RearFits vehicles with dual rear wheels.; Element3
1979ChevroletG30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1979ChevroletK30RearFits vehicles with dual rear wheels.; Element3
1979ChevroletP30Rearwith 13-3/4in x 1-17/32in Brakes; with 13 IN x 3-1/2 IN Brakes; Element3
1979GMCC3500RearFits vehicles with dual rear wheels.; Element3
1979GMCG3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1979GMCK3500RearFits vehicles with dual rear wheels.; Element3
1979GMCP3500RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1978ChevroletC30RearFits vehicles with dual rear wheels.; Element3
1978ChevroletG30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1978ChevroletK30RearFits vehicles with dual rear wheels.; Element3
1978ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1978GMCG35RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1977ChevroletC30RearFits vehicles with dual rear wheels.; Element3
1977ChevroletG30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1977ChevroletK30RearFits vehicles with dual rear wheels.; Element3
1977ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1977GMCG35RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1976ChevroletC30RearFits vehicles with dual rear wheels.; Element3
1976ChevroletG30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1976ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1976GMCG35RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1975ChevroletC30RearFits vehicles with dual rear wheels.; Element3
1975ChevroletG30RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1975ChevroletP30RearFits with 13 IN x 3-1/2 IN brake systems.; Element3
1975GMCG35RearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3
1974GMCG35/G3500 VanRearWith Dual Rear Wheels; with 13 IN x 3-1/2 IN Brakes; Element3

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

134.66013135.6601318004609180600241921334420-20072262126728-797683370837337512048533733760229767-93-240784-4401384-44013CW206E-5198E13971018EW79768F79768H-79768H-79770R415198SWC1025W37337W79768W86013W86013EWC1215WC13708WC37337WC37781WC79768WCA37781WCA79768

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.