A Muscle Car Research Exclusive!
Muscle Car Research is proud to offer a rebuild seal kit for the GM 3905525 brake system metering valve made by Bendix. Our kit contains all of the internal parts needed to rebuild your leaky valve and return it to "like new" operating condition, including:
Do you need an external rubber dust cap? We have them in stock, too. Click here for more info.
All of the parts are molded from a 70 durometer ethylene propylene diene monomer (EPDM) rubber compound that is fully compatible with automobile brake fluid, and everything is made right here in the USA!
Are you unsure if this kit is for you? According to my parts catalogs original applications include the following vehicles equipped with front disc and rear drum brakes:
- 1967 - 1969 Chevrolet
- 1968 Buick
- 1969 Buick A-body
Please note that this kit is not intended for use with the 1233464 Bendix metering valve used during the 1970 model year. While that valve looks similar to the 3905525 valve, the internal parts are very different. Here's an illustration from GM's Chevrolet service manual that shows what the 3905525 valve looks like (note the large hex plug to the right in the image):