| Assembly | Ref# | Qty | Note |
|---|
| 481-7495 STEP GP S/N EN51-UP PART OF 507-1100, 507 | 3 | ×2 | |
| 481-7495 STEP GP S/N EN61-UP PART OF 507-1100, 507 | 3 | ×2 | |
| 481-7495 STEP GP S/N NN51-UP PART OF 507-1100, 507 | 3 | ×2 | |
| 481-7495 STEP GP S/N NN61-UP PART OF 507-1100, 507 | 3 | ×2 | |
| 439-3888 STEP GP S/N E9Y1-233 PART OF 478-9464, 47 | 3 | ×2 | |
| 481-7495 STEP GP S/N E9Y234-UP PART OF 507-1100, 5 | 3 | ×2 | |
| 439-3888 STEP GP S/N N9Y1-230 PART OF 478-9464, 47 | 3 | ×2 | |
| 481-7495 STEP GP S/N N9Y231-UP PART OF 507-1100, 5 | 3 | ×2 | |
| 439-3888 STEP GP S/N N9A1-227 PART OF 478-9464, 47 | 3 | ×2 | |
| 481-7495 STEP GP S/N N9A228-UP PART OF 507-1100, 5 | 3 | ×2 | |
| 439-3888 STEP GP S/N E9W1-228 PART OF 478-9464, 47 | 3 | ×2 | |
| 481-7495 STEP GP S/N E9W229-UP PART OF 507-1100, 5 | 3 | ×2 | |
| 374-2937 STEP GP S/N WTY1-UP PART OF 456-7070 STEP | 9 | ×2 | |
| 569-2042 STEP GP S/N WSJ1-UP PART OF 490-4300 STEP | 8 | ×2 | |
| 569-2042 STEP GP S/N WSM1-UP PART OF 571-3085 STEP | 8 | ×2 | |
| 309-4831 STEP GP S/N DBK1-UP PART OF 315-1230 STEP | 21 | ×2 | |
| 374-2937 STEP GP S/N DBK1-UP PART OF 315-1230 STEP | 9 | ×2 | |
| 309-4831 STEP GP S/N DBF1-UP PART OF 315-1230 STEP | 21 | ×2 | |
| 374-2937 STEP GP S/N DBF1-UP PART OF 315-1230 STEP | 9 | ×2 | |
| 309-4831 STEP GP S/N DBW1-UP PART OF 309-4830 STEP | 21 | ×2 | |
| 309-4831 STEP GP S/N EAZ1-UP PART OF 315-1230 STEP | 21 | ×2 | |
| 374-2937 STEP GP S/N EAZ1-UP PART OF 315-1230 STEP | 9 | ×2 | |
| 309-4831 STEP GP S/N EJD1-UP PART OF 315-1230 STEP | 21 | ×2 | |
| 374-2937 STEP GP S/N EJD1-UP PART OF 315-1230 STEP | 9 | ×2 | |
| 309-4831 STEP GP S/N LCT1-UP PART OF 309-4830 STEP | 21 | ×2 | |
| 309-4831 STEP GP S/N WTA1-UP PART OF 315-1230 STEP | 21 | ×2 | |
| 374-2937 STEP GP S/N WTA1-UP PART OF 315-1230 STEP | 9 | ×2 | |
| 309-4831 STEP GP S/N WTB1-UP PART OF 315-1230 STEP | 21 | ×2 | |
| 374-2937 STEP GP S/N WTB1-UP PART OF 315-1230 STEP | 9 | ×2 | |
| 309-4831 STEP GP S/N WTC1-UP PART OF 379-2290 STEP | 21 | ×2 | |
| 374-2937 STEP GP S/N WTC1-UP PART OF 379-2290 STEP | 9 | ×2 | |
| 309-4831 STEP GP S/N WTL1-UP PART OF 315-1230 STEP | 21 | ×2 | |
| 374-2937 STEP GP S/N WTL1-UP PART OF 315-1230 STEP | 9 | ×2 | |
| 309-4831 STEP GP S/N WTM1-UP PART OF 315-1230 STEP | 21 | ×2 | |
| 374-2937 STEP GP S/N WTM1-UP PART OF 315-1230 STEP | 9 | ×2 | |
| 309-4831 STEP GP S/N WTN1-UP PART OF 379-2290 STEP | 21 | ×2 | |
| 374-2937 STEP GP S/N WTN1-UP PART OF 379-2290 STEP | 9 | ×2 | |
| 374-2937 STEP GP S/N WTR1-UP PART OF 374-2830 STEP | 9 | ×2 | |
| 374-2937 STEP GP S/N WTS1-UP PART OF 374-2930 STEP | 9 | ×2 | |
| 374-2937 STEP GP S/N WTT1-UP PART OF 374-2930 STEP | 9 | ×2 | |
| 374-2937 STEP GP S/N WTW1-UP PART OF 374-2830 STEP | 9 | ×2 | |
| 374-2937 STEP GP S/N WTX1-UP PART OF 456-7070 STEP | 9 | ×2 | |