Raybestos
Element3

Raybestos WC37663 Drum Brake Wheel Cylinder - Rear

Brand Raybestos WC37663
Position Rear
Cylinder Bore Diameter 0.594
Product line Element3
Fits Ford and Mazda · 16 vehicles

OE direct replacement. Matches the original wheel cylinder design for straightforward service.

Drum brake wheel cylinder. Converts hydraulic pressure into smooth brake shoe movement.

Element3 line. Raybestos engineering focused on dependable brake performance.

Cross-references Centric Parts 134.65012, Centric Parts 135.65012 and Davico Mfg 17620 for the same application. See all 35.

$33.59Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Drum Brake Wheel Cylinders are typically replaced in pairs, axle by axle.
Order total $33.59
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Raybestos Element3 Rear Drum Brake Wheel Cylinder

Raybestos Element3 WC37663 is a rear drum brake wheel cylinder built for specific Ford Ranger, Ford Aerostar, and Mazda B-Series applications. With a 0.594-inch cylinder bore diameter, it supports hydraulic pressure transfer in 10-inch rear drum brake systems.

Key Features

  • 0.594-inch cylinder bore diameter for the specified rear drum brake application
  • Rear drum brake wheel cylinder for hydraulic actuation at the wheel end
  • Raybestos Element3 line for application-specific brake service
  • Direct replacement part number WC37663
  • Cross-references Dorman - First Stop W37663 for the same application

Application Details

Compatible With 1997 Ford Ranger, rear; 1987-1994 Ford Ranger, rear; 1989 Ford Aerostar, rear; 1986-1988 Ford Aerostar, rear; and 1994 Mazda B2300, B3000, and B4000, rear. This part number, WC37663, also appears in interchange listings for related aftermarket and OE-style brake service references.

The Raybestos Element3 product line focuses on application-specific brake components for service work where correct bore size and rear drum brake fitment matter. For Ford Ranger and Mazda B-Series rear drum brake repairs, WC37663 provides the hydraulic wheel cylinder function needed to restore rear brake operation in the listed 10-inch brake systems.

What It Helps Solve

  • Rear brake fluid leakage at the wheel cylinder
  • Uneven rear drum brake shoe movement
  • Reduced hydraulic response in the rear brake circuit
  • Brake drag or inconsistent rear braking caused by worn cylinder seals
  • Service needs on Ford Ranger, Ford Aerostar, and Mazda B2300/B3000/B4000 rear drum systems

Installation Notes and Tips

Verify rear drum brake configuration, bore diameter, and vehicle application before installation. This wheel cylinder is listed for 10-inch rear brake systems on the specified Ford Ranger, Ford Aerostar, and Mazda B-Series models. Inspect brake shoes, hardware, and brake lines during service, and bleed the hydraulic system after replacement.

Quality Assurance

Raybestos is a recognized brake parts brand, and the Element3 line is positioned for application-specific brake service. WC37663 is cataloged with a 0.594-inch bore diameter and documented interchange references for brake repair matching.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1997FordRangerRear13/16" Bore Diameter; with 10 IN Brakes; Element3
1994FordRangerRearCompatible with 10-inch brake systems for Drum Brake Self-Adjuster Repair Kit.; Element3
1994MazdaB2300RearCompatible with 10-inch brake systems for Drum Brake Self-Adjuster Repair Kit.; Element3
1994MazdaB3000RearCompatible with 10-inch brake systems for Drum Brake Self-Adjuster Repair Kit.; Element3
1994MazdaB4000RearCompatible with 10-inch brake systems for Drum Brake Self-Adjuster Repair Kit.; Element3
1993FordRangerRearCompatible with 10-inch brake systems for Drum Brake Self-Adjuster Repair Kit.; Element3
1992FordRangerRearCompatible with 10-inch brake systems for Drum Brake Self-Adjuster Repair Kit.; Element3
1991FordRangerRearCompatible with 10-inch brake systems for Drum Brake Self-Adjuster Repair Kit.; Element3
1990FordRangerRearCompatible with 10-inch brake systems for Drum Brake Self-Adjuster Repair Kit.; Element3
1989FordAerostarRearwith 10in x 2-1/2in Brakes; Thru 2/89; Element3
1989FordRangerRearCompatible with 10-inch brake systems for Drum Brake Self-Adjuster Repair Kit.; Element3
1988FordAerostarRearFits Drum Brake Self-Adjuster Repair Kit for 10in x 2-1/2in Brakes; Element3
1988FordRangerRearCompatible with 10-inch brake systems for Drum Brake Self-Adjuster Repair Kit.; Element3
1987FordAerostarRearFits Drum Brake Self-Adjuster Repair Kit for 10in x 2-1/2in Brakes; Element3
1987FordRangerRearCompatible with 10-inch brake systems for Drum Brake Self-Adjuster Repair Kit.; Element3
1986FordAerostarRearFits Drum Brake Self-Adjuster Repair Kit for 10in x 2-1/2in Brakes; Element3
Directly replaces or cross-references 35 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Centric Parts — 134.65012Centric Parts — 135.65012Davico Mfg — 17620Dorman - First Stop — W37663Gates — 33930Raybestos Brakes — WC3766320-2017728-11240967-92-340072-875384-42012784-42012376635120525337663BRWC23CW100E-8173E9TZ2261AE69Z2261AE89Z2261AEW155041EW155195EW155299EX1122F112409R418173SWC1015W85012W85012EWC1783WC13930WC112409WCA37663ZZL026610