🚗 Upgrade Your Ride with Confidence!
The Dorman 42040 Brake Master Cylinder Cap is a direct replacement designed to restore the functionality of your vehicle's braking system. Made in the USA, this durable cap ensures a perfect fit and long service life, backed by over a century of automotive expertise. Input your vehicle's details for a seamless installation experience.
| Manufacturer | Dorman Products |
| Brand | Dorman |
| Model | Dorman 42040: Brake Master Cylinder Cap |
| Item Weight | 1.6 ounces |
| Product Dimensions | 8.25 x 7.25 x 1.25 inches |
| Country of Origin | USA |
| Item model number | 42040 |
| Exterior | Machined |
| Manufacturer Part Number | 42040 |
| OEM Part Number | 18002375; 420404; 18002375; 18060020 |
R**L
Good value !
Product fit correctly & was a good value.
S**.
Fit perfectly
This fit my 1995 Yukon perfectly. One of the tabs on the original broke off because it was brittle from age.
L**
fit my vehicle like it should
this was of good quality and fit my vehicle like it should. time will tell if it will hold up under the weather.
A**.
Did not fit at all
Did not fit
K**A
Car parts
Worked perfectly Quickly sent
S**E
Perfect fit
Fit perfect no more leak
R**Y
Real nice fit thanks Dorman for a quality part!
My old master cylinder cap had a crack on it, luckily wasn’t leaking brake fluid! The Dorman 4020 snapped in place perfectly 👍
B**D
Perfect fit
Perfect fit
Trustpilot
1 day ago
2 weeks ago