OE Quality
60-Day Returns

Raybestos WC37840 Drum Brake Wheel Cylinder - Rear Right
Reliable Drum Brake Wheel Cylinder for Mazda B2600 and MPV
The Raybestos Element3 Drum Brake Wheel Cylinder WC37840 is designed to restore proper brake hydraulics in select Mazda vehicles. Engineered with a 0.688-inch cylinder bore diameter, this part ensures precise hydraulic pressure for consistent braking performance on Mazda B2600 and MPV models.
- Cylinder bore diameter: 0.688 inches for accurate hydraulic function
- Compatible with Mazda B2600 and MPV models
- Part number WC37840 for exact replacement
- Drum brake wheel cylinder designed for brake hydraulics systems
- Manufactured by Raybestos under the Element3 product line
About the Raybestos Element3 Product Line
The Element3 line by Raybestos focuses on delivering dependable brake components that meet or exceed OEM specifications. This product line emphasizes durability and precise fitment, making the WC37840 drum brake wheel cylinder a suitable choice for maintaining the brake hydraulics system on Mazda B2600 and MPV vehicles.
Detailed Product Description
The Raybestos Element3 WC37840 drum brake wheel cylinder features a 0.688-inch cylinder bore diameter, which is critical for maintaining the correct hydraulic pressure within the drum brake system. This ensures smooth and responsive braking by effectively pushing the brake shoes against the drum. Designed specifically for Mazda B2600 and MPV models, this wheel cylinder provides a direct replacement that aligns with factory specifications, helping to maintain vehicle safety and performance.
Common Applications and Issues Addressed
- Restores brake hydraulic pressure in drum brake systems
- Replaces leaking or worn wheel cylinders causing brake fluid loss
- Eliminates spongy or unresponsive brake pedal feel
- Prevents brake drag caused by sticking pistons
- Addresses uneven brake shoe wear due to cylinder malfunction
Installation Notes and Tips
When installing the Raybestos Element3 WC37840 wheel cylinder, ensure the brake system is properly bled to remove air and restore hydraulic pressure. Inspect brake shoes and drums for wear and replace if necessary to maintain optimal braking performance. Use appropriate brake fluid and follow Mazda B2600 or MPV service manual guidelines for torque specifications and installation procedures.
Quality Assurance and Warranty
Raybestos Element3 parts are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The WC37840 drum brake wheel cylinder undergoes rigorous testing to comply with OEM requirements. Please refer to Raybestos warranty documentation for specific coverage details.
| Brand | Raybestos |
|---|---|
| Part Number | WC37840 |
| Position | Element3, Rear Right |
| Cylinder Bore Diameter | 0.688 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1993 | Mazda | B2600 | 4WD | Rear Right | Element3 |
| 1992 | Mazda | B2600 | 4WD | Rear Right | Element3 |
| 1991 | Mazda | B2600 | 4WD | Rear Right | Element3 |
| 1990 | Mazda | B2600 | 4WD | Rear Right | Element3 |
| 1989 | Mazda | B2600 | 4WD | Rear Right | Element3 |
| 1989 | Mazda | MPV | RWD | Rear Right | To Repair OE Cylinder Only; To Serial # 138959; Element3 |
| 1988 | Mazda | B2600 | 4WD | Rear Right | Element3 |
| 1987 | Mazda | B2600 | 4WD | Rear Right | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.