Best Master Cylinder Caps of 2025

Dorman Master Cylinder Caps are reliable replacements for original parts that have failed due to fatigue or are missing. Designed to match the fit and function of the original cap, these caps restore functionality to your vehicle's brake system. Made from quality materials, they are durable and ensure long service life. Backed by a team of product experts in the United States and more than a century of automotive experience, you can trust the quality of these caps. To ensure the perfect fit, input your make, model, and trim level into the garage tool. With Dorman Master Cylinder Caps, you can be sure that your brake system is in good hands.

The Dorman 42053 Master Cylinder Cap is a direct replacement part designed to restore the functionality of the original cap on specified vehicles. Made from quality materials, this part ensures reliable performance and long service life. To ensure fit, input your make, model, and trim level into the garage tool. Backed by a team of product experts in the United States and over a century of automotive experience, this part is a trustworthy choice for your vehicle.

The GM Brake Cap is specifically designed for GM vehicles, ensuring a perfect fit that makes installation straightforward. This cap has been rigorously engineered and tested, offering you peace of mind with its warranty. If you need assistance with installation, you can easily find support at your nearby GM dealer, independent service center, or body shop. This convenience allows you to maintain your vehicle without hassle, ensuring that you can focus on what matters most—keeping your car running smoothly.

The ApplianPar Brake Reservoir Cap is designed specifically for Pontiac Solstice models from 2007 to 2009 and Saturn Sky models from 2007 to 2010. This cap ensures a secure fit, helping to maintain the integrity of your brake system. With its durable construction, it protects against dust and debris, which can be harmful to your vehicle's braking performance. The package includes one cap, making it a simple and convenient replacement for your old or damaged component. By using this cap, you can enhance the longevity and reliability of your brake system.

The ZyloPlinx Master Cylinder Cap is designed to fit various Toyota models including the 4Runner, Camry, Highlander, RAV4, and Tacoma. Its primary role is to seal the brake fluid reservoir, ensuring that the fluid remains intact and prevents evaporation. This feature helps maintain proper brake function and safety in your vehicle. Additionally, this cap regulates both pressure and temperature within the system, which is crucial for optimal performance. Made from durable rubber, it promises longevity and reliability for your braking system.

The ZyloPlinx Brake Reservoir Cap is designed to fit a variety of Hyundai and Kia models, ensuring compatibility with vehicles ranging from the Accent to the Sorento. With part numbers like 58531-07000, you can easily identify the right cap for your needs. Its innovative lid notch design allows for a secure grip, making it simple to open and close with minimal effort. This feature is particularly beneficial when you need to check or refill your brake fluid quickly. The package includes a high-quality cap that enhances the functionality of your brake system, providing peace of mind on the road.

The Autotecnica Reservoir Cap is a high-quality replacement for your factory master cylinder reservoir cap. Designed to guarantee a perfect fit, this cap effectively seals out moisture and prevents fluid leakage. Manufactured to OE dimensions, it is easy to install and maintains the original engine compartment appearance. The cap is made from quality materials that can withstand engine heat and the corrosive nature of brake fluid. With a 24 Month Unlimited Mileage Warranty, you can have peace of mind knowing that this reservoir cap will provide long-lasting performance. Upgrade to the Autotecnica Reservoir Cap and enjoy a leak-free brake system.

The Dorman 42041 Master Cylinder Caps is a brake master cylinder cap designed as a direct replacement for original caps on specified vehicles. This part is made from quality materials to ensure reliable performance and long service life, and can restore functionality to an original part that is missing or failed due to fatigue. The cap is backed by a team of product experts in the United States and more than a century of automotive experience, and can be easily ensured to fit your exact vehicle with the garage tool.

The AUPARTIK Brake Cap is designed to fit a wide range of Hyundai and Kia models, ensuring compatibility with vehicles like the Hyundai Elantra and Kia Sorento. This cap is made from high-quality plastic, promising durability and a long lifespan, which means you can rely on it for years to come. By replacing your damaged cap with this one, you can maintain the integrity of your brake system. The product comes as a single unit, making it convenient for you to replace without needing multiple parts. You'll find that this cap not only fits well but also helps prevent leaks.

The Autotecnica Brake Cap is designed to ensure a perfect fit for your vehicle. It effectively replaces any cracked or leaking factory cap, helping to keep moisture out and prevent fluid leaks. This product is made to original equipment specifications, allowing for straightforward installation while maintaining the look of your engine compartment. Additionally, it is crafted from high-quality materials that can withstand engine heat and resist the corrosive effects of brake fluid, providing you with long-lasting reliability.