1967-1991 GM; Master Cylinder Diaphragm; Various Models
This reproduction master cylinder cover diaphragm is designed for vehicles equipped with a Delco Moraine style master cylinder featuring a 3 inch by 5-3/4 inch cover. Manufactured to replicate the original in fit and...
Replacement rubber diaphragm for master cylinder cover and other single bail covers from the 1960's and 1970's era. Fits many drum brake master cylinders that require a 2-3/8" x 4-7/8" single bail lid. See listings below for...