New in the OEM box – NOS GM Delco Rochester correct fitting air injection reactor smog emission diverter valve – P.N. 7029192 - group number GR.3.670 - factory for 1969 1970 1971 1972 Cadillac with a 472 cu.in. engine with a Rochester 4 barrel quadrajet (may also fit 500 cu.in) - may fit other makes and models as well – we are not 100% familiar with all items, it is up to you to verify part number and pictures against your application – slightly dusty former dealership inventory in vintage NOS condition as shown with slightly crumpled packaging