New Old Stock (NOS) AC Delco Exhaust Gas Recirculation (EGR) Valve, Part Number 12325225 (also referred to as 12325225). This mechanical valve replaces GM OEM P/N 17050354 and is suitable for numerous Buick, Chevrolet, Oldsmobile, and Pontiac models with 4.1L L6 engines from 1974 through 1976. Used to control emissions.
| Make | Model | Years Consolidated | Engine Size | Special Notes | Part Number | OEM Numbers |
| BUICK | All Passenger Cars | 1974-1976 | 4.1L L6 (250cid) | Mechanical Valve. L6 engines only. | 12325225 | 17050303, 17050314, 17050354 |
| CHEVROLET | Passenger Cars & Trucks (Nova, Chevelle, C/K Trucks) | 1974-1976 | 4.1L L6 (250cid) | Mechanical Valve. L6 engines only. | 12325225 | 17050303, 17050314, 17050354 |
| OLDSMOBILE | All Models | 1974-1976 | 4.1L L6 (250cid) | Mechanical Valve. L6 engines only. | 12325225 | 17050303, 17050314, 17050354 |
| PONTIAC | All Models | 1974-1976 | 4.1L L6 (250cid) | Mechanical Valve. L6 engines only. | 12325225 | 17050303, 17050314, 17050354 |