Brake Master Cylinder Cap, Car Fluid Reservoir Cap

【Fit for Various Vehicles】This car brake fluid reservoir cap is designed with a 4.5cm inner diameter and 5cm outer diameter, making a secure fit for most brake fluid containers. 【Durable Construction】This black brake fluid bottle cap is built to withstand wear, impact, and corrosion. The durable design offers a tight seal, preventing leaks and making your brake fluid stays clean. 【Simple Installation】Replacing your old brake fluid cap is easy and tool-free. The brake master cylinder cap allows for a quick, straightforward installation. Simply remove the old one and replace it with the new cap, providing a secure fit with minimal effort. 【Enhanced Protection and Leak Prevention】This brake fluid reservoir cap helps seal out dust, moisture, and debris, making your brake fluid remains uncontaminated. 【Maintenance Solution】Regularly replacing worn caps can prevent costly damage to your car's braking system caused by fluid contamination or leaks.