Parts on group 5121 Cylinder Head:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | RE523430 | [1] | Cylinder Head | NLA; ORDER RE553422 |
| 1. | SE501807 | [1] | Cylinder Head Reman | REMAN FOR RE523430 AND RE553422 |
| 1. | RE553422 | [1] | Cylinder Head | SUB FOR RE523430 |
| 2. | ........ | [1] | Cylinder Head | NSEP; MARKED R520109; ORDER RE523430 |
| 3. | R116515 | [1] | Engine Cylinder Head Gasket | |
| 4. | RE531221 | [4] | Intake Valve | KIT (2) R518806 |
| 5. | RE518081 | [4] | Valve Kit | KIT (2) R502370 |
| 6. | RE518082 | [8] | Valve Seat Insert | (B: INTAKE) |
| 7. | RE518083 | [8] | Valve Seat Insert | (C: EXHAUST) |
| 8. | RE517435 | [4] | Sleeve | KIT |
| 9. | RE526519 | [16] | Seal | |
| 10. | RE531223 | [8] | Spring Kit | KIT (2) R518872 |
| 11. | R502367 | [16] | Cap | |
| 12. | R502371 | [32] | Retainer | |
| 13. | R42713 | [1] | Fitting | 1/8''-27NPT |
| 14. | R519582 | [4] | Sleeve | |
| 15. | CD16284 | [3] | Plug | OD= 32.6MM |
| 16. | R521544 | [2] | Bushing | 4 X 6 X 20 MM |
| 17. | R520867 | [5] | O-Ring | 6.020 X 2.616 MM |
| 18. | R534091 | [18] | Cap Screw |