Dorman 42035 Brake Master Cylinder Reservoir Cap

Overview of Dorman Brake Master Cylinder Reservoir Cap 42035

The Dorman 42035 brake master cylinder reservoir cap is designed to provide a reliable seal for the brake fluid reservoir in select GM vehicles. This round, plastic cap is compatible with various Buick, Cadillac, Oldsmobile, and Pontiac models, ensuring proper brake system function and fluid containment.

• Constructed from durable plastic material
• Round shape for secure fit on master cylinder reservoirs
• Includes one master cylinder reservoir cap per package
• No gasket or seal required for installation
• Compatible with Buick 98, Bonneville, Delta 88, Cadillac DeVille, Fleetwood, and Pontiac LeSabre

Product Details and Specifications

The Dorman 42035 brake master cylinder reservoir cap is engineered to meet the specifications of original equipment for select GM vehicles. Its plastic construction offers resistance to brake fluid corrosion and environmental factors. The round design ensures a tight fit on the reservoir opening, preventing contamination and fluid leakage. This cap does not require an additional gasket or seal, simplifying installation and maintenance. The package contains one master cylinder reservoir cap, making it a straightforward replacement part for brake system upkeep.

Compatible Vehicles and Applications

This brake master cylinder reservoir cap is compatible with several General Motors models, including Buick 98 and LeSabre, Cadillac DeVille and Fleetwood, Oldsmobile Delta 88, and Pontiac Bonneville. Using the correct reservoir cap helps maintain brake fluid integrity and system pressure, which is critical for safe braking performance in these vehicles.

Common Issues Addressed by This Part

• Prevents brake fluid contamination from dirt and moisture
• Stops brake fluid leaks from the master cylinder reservoir
• Maintains proper pressure within the brake fluid reservoir
• Replaces worn or damaged reservoir caps that no longer seal effectively
• Helps avoid brake system malfunctions related to fluid loss

Installation Notes and Tips

Installation of the Dorman 42035 brake master cylinder reservoir cap is straightforward. Ensure the reservoir opening is clean and free of debris before placing the cap. Since no gasket or seal is required, simply press the cap firmly into place until it seats securely. Verify that the cap is properly seated to prevent leaks. Regular inspection of the reservoir cap during brake system maintenance is recommended to ensure continued performance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 42035 brake master cylinder reservoir cap undergoes quality checks to ensure durability and compatibility with specified GM vehicles. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official documentation for exact warranty terms.