OE Quality
60-Day Returns

Raybestos MC39658 Brake Master Cylinder
Reliable Brake Master Cylinder for Toyota Pickup
The Raybestos Element3; New Brake Master Cylinder MC39658 is engineered to restore precise brake hydraulics for Toyota Pickup models. Designed with durable iron construction and exact fitment specifications, this master cylinder ensures consistent braking performance and safety.
- Constructed from robust iron material for long-lasting durability
- Four mounting holes with 0.346-inch diameter for secure installation
- 0.938-inch bore size optimized for Toyota Pickup brake systems
- Two ports with M10x1 thread size for primary and secondary connections
- Compatible specifically with Toyota Pickup models requiring part number MC39658
About the Raybestos Element3; New Product Line
The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM standards. This product line emphasizes precision engineering and material quality, providing a direct replacement brake master cylinder designed to maintain the integrity of your vehicle’s braking system. The MC39658 is part of this line, offering a balance of durability and fitment accuracy for Toyota Pickup vehicles.
Detailed Product Description
This brake master cylinder features an iron body that withstands the rigors of brake system pressure and heat. The four mounting holes, each with a diameter of 0.346 inches, ensure a secure and stable fit to the vehicle’s firewall or mounting bracket. The 0.938-inch bore size is calibrated to provide the correct hydraulic pressure for the Toyota Pickup’s braking system. With two ports threaded M10x1 for both primary and secondary brake lines, this master cylinder supports proper fluid flow and brake responsiveness.
Common Applications and Issues Addressed
- Restores brake pressure loss due to worn or leaking master cylinder
- Eliminates spongy or unresponsive brake pedal feel
- Replaces corroded or damaged iron master cylinders in Toyota Pickup models
- Corrects brake fluid leaks at port connections
- Ensures proper hydraulic function for safe braking performance
Installation Notes and Tips
- Verify compatibility with Toyota Pickup model year before installation
- Ensure all mounting holes align properly with vehicle bracket
- Use appropriate brake fluid and bleed system thoroughly after installation
- Inspect port threads (M10x1) for damage before connecting brake lines
- Follow manufacturer torque specifications for mounting bolts
Quality Assurance and Warranty
Raybestos manufactures the MC39658 brake master cylinder to meet stringent quality standards. The iron construction and precise machining contribute to reliable performance and longevity. While specific warranty details should be confirmed at purchase, Raybestos products typically include coverage against defects in materials and workmanship to support customer confidence.
| Brand | Raybestos |
|---|---|
| Part Number | MC39658 |
| Position | Element3; New, N/A |
| Bore Size | 0.938 |
| Master Cylinder Material | Iron |
| Mounting Hole Diameter | 0.346 |
| Mounting Hole Quantity | 4 |
| Number of Ports | 2 |
| Primary Port Thread A | M10x1 |
| Secondary Port Thread A | M10x1 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Drive Type | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|
| 1988 | Toyota | Pickup | RWD | N/A | Compatible with vehicles equipped with a 1/2 ton chassis.; Element3; New | |
| 1987 | Toyota | Pickup | RWD | GAS | N/A | Compatible with vehicles equipped with a 1/2 ton chassis.; Element3; New |
| 1986 | Toyota | Pickup | RWD | GAS | N/A | Compatible with vehicles equipped with a 1/2 ton chassis.; Element3; New |
* 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.