| Part | Manufacturer | OEM Part # | Price | Notes |
| Forward Clutch Housing |
| THM 400-475 (3L80-3L80HD) | GMO | 24208745 | 240.82 | Contact Dealer for most current part and price information. |
| Seal Kit |
| THM 400-475 (3L80-3L80HD) | GMO | 8623917 | 5.34 | Contact Dealer for most current part and price information. Order By Size. |
| Release Spring |
| THM 400-475 (3L80-3L80HD) | GMO | 8624101 | 4.46 | Order By Description. |
| Plate, Forward Clutch Wave |
| THM 400-475 (3L80-3L80HD) | GMO | 8679940 | 23.47 | Contact Dealer for most current part and price information. Order By Description. |
| 31-Forward Clutch Plates |
| THM 400-475 (3L80-3L80HD) | GMO | 24202646 | 8.48 | Order By Thickness. |
| Forward Clutch Hub |
| THM 400-475 (3L80-3L80HD) | GMO | 8677091 | 124.20 | 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. |
| THM 700-R4 (4L60-4L60E) | GMO | 8654438 | 6.30 | |
| Housing |
| THM 700-R4 (4L60-4L60E) | GMO | 8654326 | 43.30 | Order By Size & ID Number. |
| Seal |
| THM 700-R4 (4L60-4L60E) |
| Part Of Seal Kit. |
| Piston |
| THM 700-R4 (4L60-4L60E) | GMO | 24209542 | 118.07 | Order By Size & ID Number. |
GMO | 8642148 | 27.09 | Order By Size & ID Number. | | Plate, Waved |
| THM 700-R4 (4L60-4L60E) | GMO | 24212462 | 8.28 | Order By Size & ID Number. |
| Plate, FWD Clutch Backing |
| THM 700-R4 (4L60-4L60E) | GMO | 8647058 | 8.28 | Order By Size & ID Number. |
| Ring |
| THM 700-R4 (4L60-4L60E) | GMO | 8642170 | 8.48 | Order By Size & ID Number. |
| Piston, Forward Clutch |
| THM 400-475 (3L80-3L80HD) | GMO | 8670199 | 52.63 | Contact Dealer for most current part and price information. Order By Description. |
| Snap Ring |
| THM 400-475 (3L80-3L80HD) | GMO | 8623105 | 7.07 | |
| Plate |
| THM 700-R4 (4L60-4L60E) | GMO | 24212462 | 8.28 | Order By Size & ID Number. |
GMO | 8642154 | 7.93 | Order By Size & ID Number. | | Flat Faced | GMO | 8654325 | 8.05 | Order By Size & ID Number. |
| Steel | GMO | 8673254 | 6.30 | Order By Size & ID Number. |
| Thrust Washer |
| THM 400-475 (3L80-3L80HD) | GMO | 8624196 | 7.39 | Order By Thickness. |
GMO | 8624781 | 7.48 | Order By Thickness. |