| Item | Part No. | Part Name | Qty | Serial No. |
| 278-80-15100 | FILTER ASS'Y,WATER | 5001- | ||
| 1 | 278-80-15110 | COVER | 5001- | |
| 2 | 278-80-15120 | CASE | 5001- | |
| 3 | 278-80-15130 | RING,NUT | 5001- | |
| 4 | 278-80-15140 | ELEMENT ASS'Y | 5001- | |
| 5 | 278-80-15150 | RETAINER | 5001- | |
| 6 | 278-80-15160 | PLUG,DRAIN | 5001- | |
| 7 | 278-80-15170 | CAP,DRAIN | 5001- | |
| 8 | 278-80-15180 | O-RING | 5001- | |
| 9 | 278-80-15190 | O-RING | 5001- | |
| 10 | 278-80-15210 | PLUG,AIR | 5001- | |
| 11 | 278-80-15220 | GASKET | 5001- |