| Part | Manufacturer | OEM Part # | Price | Notes |
| Plate, 4TH Clutch Reaction |
| THM440-T4 & HM4T60 | GMO | 24222029 | 48.33 | |
| Plate, 4TH Clutch Apply |
| THM440-T4 & HM4T60 | GMO | 8649831 | 24.71 | Contact Dealer for most current part and price information. |
| Bearing, 4TH Clutch |
| THM440-T4 & HM4T60 | GMO | 8656393 | 24.85 | |
| Bushing |
| THM440-T4 & HM4T60 |
| Part Of 5-HUB |
| Hub |
| THM440-T4 & HM4T60 | GMO | 8656355 | 75.00 | Contact Dealer for most current part and price information. |
| Washer |
| THM440-T4 & HM4T60 | GMO | 8644684 | 6.99 | Contact Dealer for most current part and price information. |
| Spring |
| THM440-T4 & HM4T60 | GMO | 8661081 | 14.08 | Contact Dealer for most current part and price information. |
| Piston, 4TH Clutch With Plate |
| THM440-T4 & HM4T60 |
| After Julian 2/14/84 | GMO | 8682612 | 43.09 | |
| Seal |
| THM440-T4 & HM4T60 |
| Part Of PISTON, 4TH CLUTCH W/PLATE . Part Of PISTON, 4TH CLUTCH W/PLATE |
| Ring |
| THM440-T4 & HM4T60 | GMO | 8644068 | 6.57 | |