Dorman M36242 Brake Master Cylinder

Reliable Brake Master Cylinder for Chevrolet, Pontiac, and Oldsmobile

The Dorman M36242 brake master cylinder is designed to restore proper brake hydraulics in select Chevrolet, Pontiac, and Oldsmobile vehicles. Engineered with a cast iron body and an included reservoir, this master cylinder ensures consistent brake fluid delivery for safe stopping performance.

• Master cylinder bore diameter: 0.875 inches for precise hydraulic pressure
• Durable cast iron construction for long-lasting service
• Includes reservoir for brake fluid containment
• Single outlet design with 7/16-24 rearward outlet size
• Mounting hardware not included

Product Details and Specifications

The Dorman M36242 brake master cylinder features a robust cast iron material that withstands the demands of brake system pressure. Its 0.875-inch bore diameter is calibrated to provide accurate hydraulic force to the brake lines. This unit comes with an integrated reservoir, eliminating the need for a separate fluid container. The single outlet with a 7/16-24 rearward fitting is compatible with the brake lines on various classic and late-model vehicles. While mounting hardware is not included, the master cylinder is designed for straightforward installation in compatible Chevrolet, Oldsmobile, and Pontiac models.

Compatible Vehicles and Applications

This brake master cylinder is compatible with a range of Chevrolet, Pontiac, and Oldsmobile vehicles, including models such as the Chevrolet Bel Air, Caprice, Impala, Malibu, and El Camino; Pontiac Bonneville, Grand Prix, GTO, LeMans, and Tempest; as well as the Oldsmobile Catalina and Toronado. The part number M36242 ensures you receive the correct fitment for these specific vehicles.

• Restores proper brake fluid pressure and pedal feel
• Addresses brake fluid leaks from a worn or damaged master cylinder
• Eliminates spongy or unresponsive brake pedal issues
• Prevents brake system failure due to internal seal wear
• Replaces corroded or cracked master cylinder bodies

Installation Notes and Tips

Before installation, verify compatibility with your vehicle’s make and model. Bleed the brake system thoroughly after replacing the master cylinder to remove air and ensure optimal brake performance. Since mounting hardware is not included, retain or source the necessary bolts and fittings. Use proper brake fluid as specified by the vehicle manufacturer to avoid damage to the new master cylinder.

Quality Assurance and Warranty

Dorman manufactures the M36242 brake master cylinder to meet or exceed OEM standards for durability and performance. The cast iron construction provides resistance to wear and corrosion. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.