1968-1971 All Makes All Models Parts | PY375 | 1968-71 Pontiac; Thermostatic 5-port Vacuum Switch | Classic Industries
![SWITCH, Ported Vacuum / E.F.E. / EGR Control, 4 port, installs on RH front of intake manifold, correct blue color, original GM p/n 3040871, NOS GM - #C-3670-234 - National Parts Depot SWITCH, Ported Vacuum / E.F.E. / EGR Control, 4 port, installs on RH front of intake manifold, correct blue color, original GM p/n 3040871, NOS GM - #C-3670-234 - National Parts Depot](https://d2zl5tj7gmc4tr.cloudfront.net/images/products/c-3670-234_20211203111202.jpg)
SWITCH, Ported Vacuum / E.F.E. / EGR Control, 4 port, installs on RH front of intake manifold, correct blue color, original GM p/n 3040871, NOS GM - #C-3670-234 - National Parts Depot
![1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 early ford bronco f100 302 289 Ported Vacuum Switch, 2 Hose. D3OE-A2 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 early ford bronco f100 302 289 Ported Vacuum Switch, 2 Hose. D3OE-A2](https://www.northeastclassicfordparts.com/wp-content/uploads/2022/05/9413-Ported-Vacuum-Switch-2-Hose.-D3OE-A2A-996x664.jpg)