Dorman M39592 Brake Master Cylinder

Reliable Brake Master Cylinder for Nissan D21 Pickup

The Dorman M39592 brake master cylinder is designed specifically for Nissan D21 Pickup models, providing precise hydraulic control for your vehicle's braking system. Crafted from durable aluminum, this master cylinder includes a reservoir and sensor to ensure optimal performance and safety.

• Master cylinder bore diameter: 0.938 inches for accurate hydraulic pressure
• Constructed from lightweight, corrosion-resistant aluminum
• Includes reservoir for brake fluid storage
• Equipped with a sensor for brake system monitoring
• Two outlet ports with rearward outlet size M10 x 1.0 and thread pitch 1.0

Product Details and Specifications

The Dorman M39592 brake master cylinder features a 0.938-inch bore diameter, which is critical for maintaining proper brake fluid pressure and pedal feel. Its aluminum construction offers strength and resistance to corrosion, extending the life of the component. This master cylinder comes with an integrated reservoir, eliminating the need for a separate fluid container, and includes a sensor to monitor brake fluid levels or system status. The unit has two outlets, with the secondary outlet thread diameter measuring 10 mm and a rearward outlet size of M10 x 1.0, ensuring compatibility with the Nissan D21 Pickup's brake lines.

Compatible Vehicles and Applications

• Designed for Nissan D21 Pickup models requiring a 0.938-inch bore master cylinder
• Ideal replacement for brake hydraulic system maintenance or repair
• Addresses issues such as brake fluid leaks, spongy brake pedal, or loss of braking pressure
• Suitable for restoring proper brake function and safety

Installation Notes and Tips

When installing the Dorman M39592 brake master cylinder, ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly to remove air and achieve consistent pedal feel. Note that mounting hardware is not included, so retain original fasteners or acquire appropriate replacements. Verify thread pitch and outlet sizes to match existing brake lines for a secure fit.

Quality Assurance and Warranty

Dorman manufactures the M39592 brake master cylinder to meet or exceed OEM specifications for the Nissan D21 Pickup. The aluminum construction and integrated sensor contribute to reliable operation under normal driving conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.