| Part | Manufacturer | OEM Part # | Price | Notes |
| Spacer |
| THM-125C/3T40 | GMO | 8631258 | 5.22 | Contact Dealer for most current part and price information. |
| Oil Seal Ring |
| THM-125C/3T40 | GMO | 8631048 | 4.87 | |
| 30-Seal Kit |
| THM-125C/3T40 |
| Seal Kit |
| Insert |
| THM-125C/3T40 | GMO | 24200183 | 5.95 | |
| Guide |
| THM-125C/3T40 |
| Part Of 35-SPRING ASSY |
| Retainer |
| THM-125C/3T40 |
| Part Of 35-SPRING ASSY |
| Spring ASSY |
| THM-125C/3T40 | GMO | 8631927 | 11.81 | Contact Dealer for most current part and price information. |
| Snap Ring Kit |
| THM-125C/3T40 | GMO | 8664957 | 6.33 | |
| Forward Clutch Plate |
| THM-125C/3T40 |
| Waved | GMO | 8664155 | 8.20 | Contact Dealer for most current part and price information. |
| Face | GMO | 8652409 | 9.00 | Contact Dealer for most current part and price information. |
| Flat | GMO | 8683084 | 9.79 | |
| Apply Ring |
| THM-125C/3T40 |
| With W | GMO | 8664635 | 20.93 | |
| Front Bushing |
| THM-125C/3T40 | GMO | 8631902 | 45.19 | |
| Retainer, With Ball |
| THM-125C/3T40 | GMO | 8628732 | 8.48 | |
| HSG, Direct Clutch With Drum |
| THM-125C/3T40 | GMO | 8653971 | 145.93 | |
| 15-Seal Kit |
| THM-125C/3T40 | GMO | 8631911 | 5.74 | Contact Dealer for most current part and price information. |
| Piston, Direct Clutch |
| THM-125C/3T40 | GMO | 8652062 | 46.19 | |
| Plate, Direct Clutch |
| THM-125C/3T40 | GMO | 8631026 | 14.79 | Contact Dealer for most current part and price information. |
| Plates, Forward & Drive Clutch |
| THM-125C/3T40 | GMO | 8643741 | 5.21 | |
| Plate, Forward & Drive Clutch Backing |
| THM-125C/3T40 | GMO | 8652562 | 16.88 | Contact Dealer for most current part and price information. |
| Ring, Snap Forward & Direct |
| THM-125C/3T40 | GMO | 8652055 | 2.50 | Contact Dealer for most current part and price information. |
| Retainer, With Ball Forward Clutch |
| THM-125C/3T40 | GMO | 8633748 | 8.20 | |
| Piston, Forward Clutch With Ring |
| THM-125C/3T40 | GMO | 8637973 | 49.17 | |
| Bushing |
| THM-125C/3T40 | GMO | 8631901 | 20.58 | |
GMO | 8631903 | 5.32 | | | Housing, Forward Clutch |
| THM-125C/3T40 | GMO | 8664982 | 262.58 | |
| Snap Ring |
| THM-125C/3T40 | GMO | 8652055 | 2.50 | Contact Dealer for most current part and price information. |