HomeRaybestos WC37854 Drum Brake Wheel Cylinder - Rear
Part #: WC37854

Raybestos WC37854 Drum Brake Wheel Cylinder - Rear

Element3, Rear
41 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Element3, Rear
Fitment: GMC and Chevrolet, Sonoma, S10, Astro, Safari, Blazer, Jimmy, S10 Blazer, and Typhoon
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Reliable Drum Brake Wheel Cylinder for Chevrolet and GMC Vehicles

The Raybestos Element3 Drum Brake Wheel Cylinder WC37854 is engineered to restore braking performance on select Chevrolet and GMC models. Designed with a precise 0.875-inch cylinder bore diameter, this component ensures consistent hydraulic pressure for safe and effective drum brake operation.

  • Cylinder bore diameter: 0.875 inches for accurate fit and function
  • Compatible with Chevrolet Astro, Blazer, S10, S10 Blazer, Safari, GMC Jimmy, and Sonoma models
  • Part number WC37854 for easy identification and ordering
  • Part of the Element3 product line, known for quality brake hydraulics
  • Manufactured to meet or exceed OEM specifications

About the Raybestos Element3 Product Line

The Element3 line by Raybestos focuses on delivering dependable brake hydraulic components that meet rigorous standards. This product line emphasizes durability and precise engineering, making it suitable for drum brake systems on various Chevrolet and GMC vehicles. The WC37854 wheel cylinder benefits from this attention to quality, providing a reliable replacement part for maintaining brake system integrity.

Product Details and Specifications

The Raybestos Element3 Drum Brake Wheel Cylinder WC37854 features a cylinder bore diameter of 0.875 inches, a critical dimension that ensures proper hydraulic pressure and brake shoe movement within the drum brake assembly. This part is specifically designed for use on Chevrolet Astro, Blazer, S10, S10 Blazer, Safari, and GMC Jimmy and Sonoma models, providing a direct replacement that supports safe braking performance.

Common Applications and Issues Addressed

  • Restores braking efficiency on drum brake systems
  • Replaces leaking or seized wheel cylinders
  • Eliminates brake fluid leaks that cause reduced braking power
  • Corrects uneven brake shoe wear due to faulty hydraulics
  • Prevents brake drag caused by stuck wheel cylinders

Installation Notes and Tips

When installing the Raybestos Element3 WC37854 wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely lifted. Clean the backing plate and inspect brake shoes for wear before installation. Use proper brake fluid and bleed the system thoroughly after installation to remove air and restore hydraulic pressure. Verify the cylinder bore diameter matches the original part to ensure compatibility.

Quality Assurance and Warranty

Raybestos Element3 brake hydraulics are manufactured to meet or exceed OEM standards, providing reliable performance and durability. While specific warranty details for part number WC37854 should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship to support long-term use.

BrandRaybestos
Part NumberWC37854
PositionElement3, Rear
Cylinder Bore Diameter0.875

This part fits 41 vehicles. Search below:

YearMakeModelPositionNotes
2004GMCSonomaRearElement3
2003ChevroletS10RearElement3
2003GMCSonomaRearElement3
2002ChevroletAstroRearElement3
2002GMCSafariRearElement3
2001ChevroletAstroRearElement3
2001GMCSafariRearElement3
2000ChevroletAstroRearElement3
2000GMCSafariRearElement3
1999ChevroletAstroRearElement3
1999GMCSafariRearElement3
1998ChevroletAstroRearElement3
1998GMCSafariRearElement3
1997ChevroletAstroRearElement3
1997ChevroletBlazerRear7/8" Bore Diameter; Element3
1997GMCJimmyRear7/8" Bore Diameter; Element3
1997GMCSafariRearElement3
1996ChevroletAstroRearElement3
1996ChevroletBlazerRear7/8" Bore Diameter; Element3
1996GMCJimmyRear7/8" Bore Diameter; Element3
1996GMCSafariRearElement3
1995ChevroletAstroRearElement3
1995ChevroletBlazerRear7/8" Bore Diameter; Element3
1995GMCJimmyRear7/8" Bore Diameter; Element3
1995GMCSafariRearElement3
1994ChevroletAstroRearElement3
1994ChevroletS10 BlazerRear7/8" Bore Diameter; Element3
1994GMCJimmyRear7/8" Bore Diameter; Element3
1994GMCSafariRearElement3
1993ChevroletAstroRearElement3
1993ChevroletS10 BlazerRear7/8" Bore Diameter; Element3
1993GMCJimmyRear7/8" Bore Diameter; Element3
1993GMCSafariRearElement3
1992ChevroletAstroRearElement3
1992ChevroletS10 BlazerRear7/8" Bore Diameter; Element3
1992GMCJimmyRear7/8" Bore Diameter; Element3
1992GMCSafariRearElement3
1991ChevroletAstroRearElement3
1991GMCSafariRearElement3
1990ChevroletAstroRearElement3
1990GMCSafariRearElement3

* 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:

072-8202134.66021135.66021180158121806011820-2026228-1231993407537854533518567-93-470784-4402184-44021CW133E-9247EW155185F123199R419247SWC1116W37854W86021W86021EWC123199WC14075WC1854WC37854WCA37854

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