| 1996 | Cadillac | DeVille | 4.6L/281 | DOHC V8 | Vin "Y" | Northstar | Engines with 12mm wide rear main seal. Water pump gaskets not included use WP281. |
| 1996 | Cadillac | Eldorado | 4.6L/281 | DOHC V8 | Vin "9" | Northstar | Engines with 12mm wide rear main seal. Water pump gaskets not included use WP281. |
| 1996 | Cadillac | DeVille | 4.6L/281 | DOHC V8 | Vin "9" | Northstar | Engines with 12mm wide rear main seal. Water pump gaskets not included use WP281. |
| 1996 | Cadillac | Eldorado | 4.6L/281 | DOHC V8 | Vin "Y" | Northstar | Engines with 12mm wide rear main seal. Water pump gaskets not included use WP281. |
| 1996 | Cadillac | Seville | 4.6L/281 | DOHC V8 | Vin "Y" | Northstar | Engines with 12mm wide rear main seal. Water pump gaskets not included use WP281. |
| 1996 | Cadillac | Seville | 4.6L/281 | DOHC V8 | Vin "9" | Northstar | Engines with 12mm wide rear main seal. Water pump gaskets not included use WP281. |
| 1996-1997 | Oldsmobile | Aurora | 4L/244 | DOHC V8 | Vin "C" | Oldsmobile | Engines with 12mm wide main. W/Sleeve Water pump gaskets not included use WP281. |
| 1997 | Cadillac | DeVille | 4.6L/281 | DOHC V8 | Vin "9" | Northstar | Water pump gaskets not included use WP281. |
| 1997 | Cadillac | DeVille | 4.6L/281 | DOHC V8 | Vin "Y" | Northstar | Water pump gaskets not included use WP281. |
| 1997 | Cadillac | Eldorado | 4.6L/281 | DOHC V8 | Vin "Y" | Northstar | Water pump gaskets not included use WP281. |
| 1997 | Cadillac | Seville | 4.6L/281 | DOHC V8 | Vin "Y" | Northstar | Water pump gaskets not included use WP281. |
| 1997 | Cadillac | Seville | 4.6L/281 | DOHC V8 | Vin "9" | Northstar | Water pump gaskets not included use WP281. |
| 1997 | Cadillac | Eldorado | 4.6L/281 | DOHC V8 | Vin "9" | Northstar | Water pump gaskets not included use WP281. |
| 1998 | Cadillac | DeVille | 4.6L/281 | DOHC V8 | Vin "9" | Northstar | Engines with 1st design timing cover (has no P/N stamped on the timing cover). Water pump gaskets not included use WP281. |
| 1998 | Cadillac | DeVille | 4.6L/281 | DOHC V8 | Vin "Y" | Northstar | Engines with 1st design timing cover (has no P/N stamped on the timing cover). Water pump gaskets not included use WP281. |
| 1998 | Cadillac | Seville | 4.6L/281 | DOHC V8 | Vin "9" | Northstar | Engines with 1st design timing cover (has no P/N stamped on the timing cover). Water pump gaskets not included use WP281. |
| 1998 | Cadillac | Eldorado | 4.6L/281 | DOHC V8 | Vin "Y" | Northstar | Engines with 1st design timing cover (has no P/N stamped on the timing cover). Water pump gaskets not included use WP281. |
| 1998 | Cadillac | Eldorado | 4.6L/281 | DOHC V8 | Vin "9" | Northstar | Engines with 1st design timing cover (has no P/N stamped on the timing cover). Water pump gaskets not included use WP281. |
| 1998 | Cadillac | Seville | 4.6L/281 | DOHC V8 | Vin "Y" | Northstar | Engines with 1st design timing cover (has no P/N stamped on the timing cover). Water pump gaskets not included use WP281. |
| 1998 | Oldsmobile | Aurora | 4L/244 | DOHC V8 | Vin "C" | Oldsmobile | Engines with 1st design timing cover (no P/N stamped on timing cover). Water pump gaskets not included use WP281. |