This kit is brand new, includes the latest Fabric reinforced Nitrile Diaphragm, compatible with all modern fuels & lubricants, including ethanol based petrols & synthetic oils.
Kit includes pivot pin, clips, bush and spring for rocker-arm
This kit is for the vacuum side of the pump
As used in:
Cadillac All 1949-50 with AC dual pump No. 1539143; 1539535
Cadillac EARLY 1951 with AC dual pump no. 1539143; 1539535