| Item | Part No. | Part Name | Qty | Serial No. |
| 20Y-30-38690 | IDLER ASS'Y | K40001- | ||
| 1 | 20Y-30-38210 | IDLER | K40001- | |
| 2 | 20Y-30-38220 | BUSHING | K40001- | |
| 3 | 20Y-30-38230 | SHAFT | K40001- | |
| 4 | 20Y-30-38240 | DOWEL | K40001- | |
| 5 | 20Y-30-38250 | GASKET | K40001- | |
| 6 | 20Y-30-38260 | FLOATING SEAL ASS'Y | K40001- | |
| 7 | 20Y-30-38270 | BRACKET | K40001- | |
| 8 | 20Y-30-38280 | PLUG | K40001- | |
| 9 | 20Y-30-38290 | GASKET | K40001- |