| 1-21. | VG15200Z5510 | [1] | FILTER-OIL "FULL FLOW",FOR A2 ONLY | |
| 1-21. | VG15200Z5515 | [1] | FILTER-OIL,FOR A3 ONLY | |
| 1-21. | VG15200Z5516 | [1] | FILTER ASSY | KOBFILTER-OIL,FOR A4 ONLY |
| 1-21. | VG15200Z5509 | [1] | FILTER-OIL "FULL FLOW",FOR A1 ONLY | |
| 1. | VG15249Z9003 | [1] | BRACKET ASSY,FOR A3,A4 ONLY | |
| 1. | VG15249Z9002 | [1] | BRACKET BRACKET ASSY,FOR A1,A2 ONLY | BRACKET BRACKET ASSY,FOR A1,A2 ONLY |
| 2. | VG1528099006 | [1] | STD INLET VALVE | KOBSTD ENGINE INLET VALVE VALVE-REGULATOR,FOR A3,A4 ONLY |
| 2. | VG1528090006 | [1] | VALVE-REGULATOR | |
| 3. | VG15209Z9001 | [1] | SPRING-REGULATOR VALVE | |
| 4. | VG1528299008 | [1] | CAP-VALVE | |
| 5. | VG1528390000 | [2] | PACKING | KOBPACKING |
| 6. | VG15216Z9000 | [1] | STD EXHAUST VALVE | KOBSTD ENGINE EXHAUST VALVE VALVE-COOLER |
| 7. | VG15217Z9000 | [2] | SPRING-COOLER,VALVE | |
| 8. | VG15218Z9001 | [1] | RING-RETAINING,FOR A3,A4 ONLY | |
| 8. | VG15218Z9000 | [1] | RING-RETAINING,FOR A1,A2 ONLY | |
| 9. | VG15280Z9002 | [1] | STD INLET VALVE | KOBSTD ENGINE INLET VALVE VALVE-SHORT |
| 11. | VG15290Z9002 | [1] | SPRING-CONTACTOR,FOR A1,A3 ONLY | |
| 12. | VG1529699000 | [1] | CONTACTOR,FOR A1,A3 ONLY | |
| 13. | VG15295Z9001 | [1] | CASE-CONTACTOR,FOR A1,A3 ONLY | |
| 14. | VG15289Z9000 | [1] | CAP ASSY-VALVE,FOR A1,A3 ONLY | |
| 15. | VG15219Z9000 | [1] | ADAPTER | KOBADAPTER ASSY,FOR A1,A2 ONLY |
| 15. | VG1S219Z9001 | [1] | ADAPTER ASSY,FOR A3,A4 ONLY | |
| 16. | VG15212Z9001 | [1] | O-RING | KOBO-RING |
| 17. | VG15220Z9000 | [1] | NUT-CENTER | |
| 18. | VG15221Z9000 | [2] | O-RING | KOBO-RING -CENTER NUT |
| 19. | VG1528499010 | [1] | DRAIN PLUG | KOBPLUG |
| 20. | VG1645590003 | [1] | PACKING | KOBPACKING-PLUG |
| 21. | VG15208Z9001 | [1] | FILTER, OIL ELEMENT ASSY,FOR A1,A2 ONLY | FILTER, OIL ELEMENT ASSY,FOR A1,A2 ONLY |
| 21. | VG15208Z9003 | [1] | ELEMENT | KOBELEMENT KIT,FOR A3,A4 ONLY Superseded by part number: VG15208Z9007 |
