Dorman 42070 Brake Master Cylinder Reservoir Cap Gasket

Reliable Brake Master Cylinder Reservoir Cap Gasket

The Dorman 42070 brake master cylinder reservoir cap gasket is designed to provide a secure seal for your vehicle's brake fluid reservoir. Made from durable rubber, this gasket helps maintain proper brake system pressure and prevents fluid leaks in select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models.

• Constructed from high-quality rubber for durability and flexibility
• Includes one brake master cylinder reservoir cap gasket per package
• Compatible with various GM vehicles including Buick LeSabre, Cadillac DeVille, Chevrolet Monte Carlo, and Pontiac Firebird
• Part number 42070 ensures exact replacement fit
• Designed to maintain a tight seal and prevent brake fluid contamination

Durable Rubber Material for Effective Sealing

This brake master cylinder reservoir cap gasket is crafted from rubber, a material known for its resilience and ability to withstand exposure to brake fluid and temperature variations. The rubber construction ensures a reliable seal between the reservoir cap and the master cylinder, reducing the risk of leaks and maintaining brake system integrity. The Dorman 42070 gasket is engineered to meet OEM specifications for a precise fit on compatible vehicles.

Compatible With Select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac Models

This gasket is compatible with a range of GM vehicles, including but not limited to the Buick LeSabre and Riviera, Cadillac DeVille and Fleetwood, Chevrolet Monte Carlo and Nova, Oldsmobile Cutlass Supreme and Delta 88, and Pontiac Firebird and Grand Prix. Using the correct gasket part number 42070 ensures proper fitment and function in these models, helping maintain brake system performance.

Common Applications and Issues Addressed

• Prevents brake fluid leaks from the master cylinder reservoir
• Maintains proper brake system pressure and fluid levels
• Reduces risk of brake system contamination from dirt and moisture
• Helps avoid brake warning lights caused by fluid loss
• Replaces worn or damaged reservoir cap gaskets to restore sealing

Installation Notes and Tips

When installing the Dorman 42070 gasket, ensure the brake master cylinder reservoir and cap surfaces are clean and free of debris. Carefully remove the old gasket and inspect the reservoir cap for damage. Position the new rubber gasket evenly to avoid pinching or misalignment, which could cause leaks. Tighten the reservoir cap securely but avoid over-tightening to prevent gasket deformation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 42070 brake master cylinder reservoir cap gasket undergoes quality checks to ensure proper fit and material integrity. Please refer to Dorman's warranty policy for specific coverage details.