New Old Stock (NOS) AC Delco Exhaust Gas Recirculation (EGR) Valve, Part Number 12325224. This mechanical valve cross-references to GM OEM P/N 17050311 and is suitable for numerous Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac V8 models from 1972 through 1976. Used to modulate the flow of exhaust gas back into the intake manifold to reduce NOx emissions.
| Make |
Model |
Years Consolidated |
Engine Size |
Special Notes |
Part Number |
OEM Numbers |
| BUICK |
All Passenger Cars |
1972-1974 |
5.7L (350cid), 7.5L (455cid) |
Mechanical valve. V8 engines only. |
12325224 |
17050186, 17050300, 17050311 |
| CADILLAC |
All Models |
1973-1974 |
7.7L (472cid), 8.2L (500cid) |
Mechanical valve. V8 engines only. |
12325224 |
17050300, 17050311 |
| CHEVROLET |
Passenger Cars & Trucks (Caprice, Impala, C/K Trucks) |
1973-1976 |
6.6L (400cid), 7.4L (454cid) |
Mechanical valve. V8 engines only. |
12325224 |
17050300, 17050311, 17050352 |
| OLDSMOBILE |
All Models |
1972-1974 |
5.7L (350cid), 7.5L (455cid) |
Mechanical valve. V8 engines only. |
12325224 |
17050186, 17050300, 17050311 |
| PONTIAC |
All Models |
1972-1974 |
5.7L (350cid), 6.6L (400cid), 7.5L (455cid) |
Mechanical valve. V8 engines only. |
12325224 |
17050186, 17050300, 17050311 |
