| Item | Part No. | Part Name | Qty | Serial No. |
| 636 878 C91 | IDLER ASSEMBLY, TOP | | |
| 1 | 636 879 C1 | BODY, IDLER | | |
| 2 | 636 880 C1 | SHAFT, IDLER | | |
| 3 | 625 741 C91 | BEARING ASSEMBLY, TAPERED ROLLER | | |
| 625 742 C91 | CONE, BEARING | | |
| 625 743 C1 | CUP, BEARING | | |
| 4 | 631 169 C91 | BEARING ASSEMBLY, TAPERED ROLLER | | |
| 631 170 C91 | CONE, BEARING | | |
| 376 463 R1 | CUP, BEARING | | |
| 5 | 327 068 R1 | RING, RETAINING | | |
| 6 | 636 885 C1 | SPACER, BEARING - 0.088 IN | | |
| 7 | 317 923 R1 | O-RING, COVER | | |
| 8 | 636 884 C1 | COVER, IDLER | | |
| 24 840 R1 | BOLT, MOUNTING - 3/8NCx1 | | |
| 115 093 | WASHER, LOCK - 3/8 | | |
| 9 | 444 660 | PLUG, DRAIN | | |
| 10 | 1208 549 H91 | KIT, METAL FACED SEAL | | |
| 11 | 636 881 C2 | RETAINER, SEAL | | |
| 12 | 25 566 R1 | PIN, SPRING - 1/4x3 | | |
| 13 | 384 377 R1 | O-RING, RETAINER | | |
