Dorman M39502 Brake Master Cylinder

Reliable Brake Master Cylinder for Toyota Cressida and Pickup

The Dorman M39502 brake master cylinder is engineered to restore proper brake hydraulics for Toyota Cressida and Pickup models. Designed with durable cast iron and a built-in reservoir, this master cylinder ensures consistent brake fluid delivery and reliable stopping power.

• Master cylinder bore diameter: 0.875 inches for precise hydraulic pressure
• Constructed from cast iron for long-lasting durability
• Includes reservoir for brake fluid storage
• Two outlets with rearward outlet size M10 x 1.0 and secondary outlet thread diameter 10 mm
• Thread pitch of 1.0 for secure fitting
• Package contains the master cylinder only; mounting hardware not included
• Compatible with Toyota Cressida and Toyota Pickup models

Product Details and Specifications

The Dorman M39502 brake master cylinder features a 0.875-inch bore diameter, which is critical for maintaining the correct hydraulic pressure in the brake system. Its cast iron construction provides strength and resistance to wear, ensuring the part withstands the demands of daily driving. The included reservoir allows for proper brake fluid containment and circulation, essential for consistent brake performance. This master cylinder has two outlets, including a rearward outlet sized M10 x 1.0 and a secondary outlet with a 10 mm thread diameter, both with a 1.0 thread pitch to match factory specifications. Note that mounting hardware is not included, so ensure you have the necessary components for installation.

Compatible Vehicles and Applications

This brake master cylinder is specifically designed for use with Toyota Cressida and Toyota Pickup vehicles. When searching for a replacement part, referencing the Dorman part number M39502 will help confirm compatibility and ensure proper fitment.

Common Issues Addressed by This Master Cylinder

• Brake pedal feels spongy or sinks to the floor
• Brake fluid leaks from the master cylinder or reservoir
• Reduced braking efficiency or inconsistent brake pressure
• Brake warning light activation due to hydraulic failure
• Contaminated or damaged internal seals causing brake failure

Installation Notes and Tips

Before installation, verify that the Dorman M39502 master cylinder matches your Toyota Cressida or Pickup model year and specifications. Since mounting hardware is not included, retain or acquire the necessary bolts and fittings. Properly bleed the brake system after installation to remove air and ensure optimal brake performance. Use recommended brake fluid and follow manufacturer torque specifications for all fittings.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and precise machining contribute to reliable brake system operation. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulics products. Consult product documentation or the supplier for exact warranty terms.