Dorman HELP Brake Master Cylinder Reservoir Cap Gasket for 1985-1996 Chevrolet GMC 42073

Brake master cylinder reservoir cap gasket for 1985 to 1996 Chevrolet and GMC trucks used to replace leaking or cracked factory seals.

Built to meet the manufacturer's design intent for reliable service, this gasket is engineered for durability and dependable performance in daily driving conditions.

Key Features

• Direct replacement for original equipment gaskets
• Constructed from quality materials for long-lasting sealing
• Designed to match OE form, fit, and function
• Validated through testing to reduce repeat repairs
• Sold as a single piece unit

Benefits

• Prevents brake fluid leaks from the reservoir cap
• Restores proper hydraulic system integrity
• Ensures a secure and tight seal on the master cylinder
• Helps maintain consistent brake pedal feel
• Cost-effective solution compared to dealer parts
• Backed by over a century of automotive experience

Application

Ideal for owners of older Chevrolet and GMC vehicles experiencing fluid seepage around the brake master cylinder cap or those performing routine brake system maintenance.

Fitment Notes

• Compatible with select 1985-1996 Chevrolet models
• Compatible with select 1985-1996 GMC models
• Replaces General Motors part number 18014183
• Replaces OE PRO part number 18014184

Why Choose Dorman - HELP?

• Dorman parts are engineered as direct-fit replacements designed to match OE specifications
• Strong focus on fit, durability, and dependable performance
• Built with quality materials to stand up to daily driving demands
• Trusted by product experts in the United States

What's in the Box

• 1 Brake Master Cylinder Reservoir Cap Gasket

Item Dimensions

• Length: 8.3 inches
• Width: 3.5 inches
• Height: 1.0 inch
• Weight: 0.1 lbs