| Part | Manufacturer | OEM Part # | Price | Notes |
| Bushing |
| THM440-T4 & HM4T60 |
| Part of Drum Kit |
| Part Of DRUM KIT . |
| Part of 26-Shaft Kit, Input |
| Part Of 26-SHAFT KIT, INPUT |
| Piston, 2ND Clutch |
| THM440-T4 & HM4T60 | GMO | 24204370 | 21.88 | |
| Bearing |
| THM440-T4 & HM4T60 | GMO | 24227685 | 16.04 | |
| Washer |
| THM440-T4 & HM4T60 | GMO | 24204842 | 8.28 | Order By Color. |
| Drum Kit |
| THM440-T4 & HM4T60 | GMO | 8668958 | 115.79 | Contact Dealer for most current part and price information. |
| Retainer |
| THM440-T4 & HM4T60 | GMO | 8633748 | 8.20 | |
| Seal |
| THM440-T4 & HM4T60 |
| Part of |
| Gasket Kit | GMO | 8644915 | 68.00 | Contact Dealer for most current part and price information. |
| Seal Kit | GMO | 8662935 | 19.42 | Contact Dealer for most current part and price information. |
| Plate |
| THM440-T4 & HM4T60 | GMO | 8662957 | 10.08 | |
| Without Flat | GMO | 8662911 | 20.00 | Contact Dealer for most current part and price information. |
| With Flat | GMO | 8662309 | 18.38 | Contact Dealer for most current part and price information. |
| Ring |
| THM440-T4 & HM4T60 | GMO | 8644109 | 27.28 | Contact Dealer for most current part and price information. |
GMO | 8644110 | 14.10 | | GMO | 8644110 | 14.10 | | GMO | 8656342 | 5.62 | |