| Part | Manufacturer | OEM Part # | Price | Notes |
| Extension Housing Gasket |
| 3 Speed, Muncie |
| Gasket | GMO | 3876752 | 2.49 | Contact Dealer for most current part and price information. |
| 4 Speed, New Process |
| Gasket | GMO | 14039106 | 3.00 | Contact Dealer for most current part and price information. Order BY Gear Ratio. |
| Case Cover Gasket |
| 3 Speed, Muncie |
| Gasket | GMO | 10181246 | 3.65 | Order By Gear Ratio. |
| 4 Speed, New Process |
| Gasket | GMO | 14039102 | 5.73 | Contact Dealer for most current part and price information. Order By Size. |
| Extension Housing Seal |
| 3 Speed, Muncie |
| Oil Seal | GMO | 8673526 | 8.55 | Order Number & Color |
| 4 Speed, New Process |
| Seal | GMO | 8673526 | 8.55 | Order Number & Color |
| Overhaul Gasket Kit |
| 4 Speed, New Process | GMO | NO LISTING | 0.00 | |