| Part | Manufacturer | OEM Part # | Price | Notes |
| Direct Clutch Hub |
| THM 400-475 (3L80-3L80HD) | GMO | 8625718 | 64.09 | Contact Dealer for most current part and price information. Order By Thickness. |
| Snap Ring |
| THM 400-475 (3L80-3L80HD) | GMO | 8623112 | 8.48 | Order By Thickness. |
GMO | 8623105 | 7.07 | | | Backing Plate |
| THM 400-475 (3L80-3L80HD) | GMO | 8661575 | 12.91 | Order By Thickness. |
| 39-Direct Clutch Plates |
| THM 400-475 (3L80-3L80HD) | GMO | 24202646 | 8.48 | Order By Thickness. |
| Retainer |
| THM 400-475 (3L80-3L80HD) | GMO | 8679934 | 4.81 | Contact Dealer for most current part and price information. Order By Description. |
| Release Spring |
| THM 400-475 (3L80-3L80HD) | GMO | 8624101 | 4.46 | Order By Description. |
| Direct Clutch Piston |
| THM 400-475 (3L80-3L80HD) | GMO | 8670198 | 62.28 | Order By Thickness. |
| Seal Kit |
| THM 400-475 (3L80-3L80HD) | GMO | 8623917 | 5.34 | Contact Dealer for most current part and price information. Order By Size. |
| Housing, Direct Clutch |
| THM 400-475 (3L80-3L80HD) | GMO | 24208745 | 240.82 | Contact Dealer for most current part and price information. |