This listing is for one
NOS GM vacuum diaphragm that fit
1965-70 Pontiac full size cars
like the Grand Prix, Catalina,
Ventura, 2+2, Star Chief,
Executive and Bonneville.
Part Number 1998916
This item has been
tested and functions properly.
Please look at all
the images and check the part
number to make absolutely
sure that this item will fit your
particular application before
purchasing.
Frank's Pontiac Parts is a fully licensed classic Pontiac dismantling yard located in the Mojave Desert in Southern California