Vacuum Pump Kit GMC '56-59, Oldsmobile '55-62 P/N 971VPK

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 and spring for rocker-arm, filter gauze 

This kit is for the vacuum side of the pump

As used in:

GMC Truck V8; 324; 370 CI Engine; 1956-59 with pump No. 5594325

Oldsmobile All; 1955-56 with pump No. 5594317; 5594148

Oldsmobile All with glass bowl; 1957 with pump No.  5594148

Oldsmobile All without glass bowl; 1957  with pump No.5594540

Oldsmobile All with Air Con: 1958 with pump No. 5594540

Oldsmobile All without Air Con: 1958 with pump No. 5594317

Oldsmobile All without Air Con: 1959-60 with pump No. 5594727

Oldsmobile All with Air Con: 1959-60 with pump No. 5594728

Oldsmobile All Series 88; S88; 98; with Air Con: 1961 with pump No. 5623416

Oldsmobile All [except F85 & Jetfire] 1962 with pump No. 5623416