Dorman - HELP Brake Master Cylinder Reservoir Cap with Durable Design for 1998-91 Buick 1993-91 Cadillac 1998-91 Oldsmobile 1995-91 Pontiac

Brake Master Cylinder Reservoir Cap for 1998-91 Buick 1993-91 Cadillac 1998-91 Oldsmobile 1995-91 Pontiac that replaces the original cap and restores reliable braking performance.

Built to meet the manufacturer’s design intent for reliable service.

Key Features

• Designed to match fit and function of original cap on specified vehicles.
• Engineered for durability and reliable performance.
• Compatible with 1998-91 Buick, 1993-91 Cadillac, 1998-91 Oldsmobile, 1995-91 Pontiac models.

Benefits

• Restores full braking system functionality.
• Provides consistent brake pressure for safer driving.
• Reduces risk of brake failure or leaks.
• Easy to install with no modifications needed.

Application

This part is ideal for vehicle owners experiencing worn master cylinder caps, brake fluid leaks, or reduced braking performance. Common use cases include routine maintenance, replacement after a crash, or upgrading to an aftermarket part that matches OEM specifications.

Fitment Notes

• Fits 1998-91 Buick models.
• Fits 1993-91 Cadillac models.
• Fits 1998-91 Oldsmobile models.
• Fits 1995-91 Pontiac models.

Why Choose Dorman - HELP?

• Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance. Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing, they’re made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long-lasting fix you can trust, Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What’s in the Box

• Included items not specified by the manufacturer.

Item Dimensions

• 5.5in x 3.5in x 1.3in, 0.1lbs