| 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 |
| To Julian 2/14/84 |
| Without Plate | GMO | 8644063 | 13.70 | |
| With Plate | GMO | 8646932 | 19.40 | |
| Seal |
| THM440-T4 & HM4T60 |
| Part Of PISTON, 4TH CLUTCH W/PLATE . Part Of PISTON, 4TH CLUTCH W/PLATE |
| Housing, Fourth Clutch |
| THM 325-4L, 4 Speed | GMO | 8635735 | 131.00 | Contact Dealer for most current part and price information. |
| Seal Kit, 4TH Clutch |
| THM 325-4L, 4 Speed | GMO | 8635924 | 7.75 | |
| Piston |
| THM 325-4L, 4 Speed | GMO | 8635028 | 22.00 | Contact Dealer for most current part and price information. |
| Retainer |
| THM 325-4L, 4 Speed | GMO | 8635244 | 39.88 | |
| Ring |
| THM440-T4 & HM4T60 | GMO | 8644068 | 6.57 | |
| THM 325-4L, 4 Speed | GMO | 8634023 | 5.53 | |
GMO | 8634158 | 14.11 | | | Plate |
| THM 325-4L, 4 Speed |
| Steel | GMO | 8657170 | 11.00 | Contact Dealer for most current part and price information. |
| Faced | GMO | 8678928 | 8.52 | Contact Dealer for most current part and price information. |
| Backing | GMO | 8634866 | 13.82 | Contact Dealer for most current part and price information. |