| Part | Manufacturer | OEM Part # | Price | Notes |
| THM-125C/3T40 |
| Speedometer Drive Gear |
| 10 Teeth, Green | GMO | 8632646 | 15.69 | |
| 35 Teeth. Natural | GMO | 8672319 | 5.67 | Contact Dealer for most current part and price information. |
| Speedometer Driven Gear |
| 29 Teeth |
| Green | GMO | 403999 | 8.44 | Order By Color Of Gear And Number Or Teeth. |
| S or P Code | GMO | 25524924 | 67.68 | Contact Dealer for most current part and price information. Order By Color Of Gear And Number Or Teeth. |
| N Code | GMO | 25519844 | 6.24 | Order By Color Of Gear And Number Or Teeth. |
| Red | GMO | 464846 | 7.00 | Contact Dealer for most current part and price information. Order By Color Of Gear And Number Or Teeth. |
| 30 Teeth |
| Blue |
| Code P | GMO | 561035 | 8.44 | Contact Dealer for most current part and price information. Order By Color Of Gear And Number Or Teeth. |
| Code T, O & Q | GMO | 25519845 | 8.60 | Contact Dealer for most current part and price information. Order By Color Of Gear And Number Or Teeth. |
| 31 Teeth |
| N Code | GMO | 403417 | 8.28 | Contact Dealer for most current part and price information. Order By Color Of Gear And Number Or Teeth. |
| U Code | GMO | 25524926 | 66.35 | Order By Color Of Gear And Number Or Teeth. |
| THM440-T4 & HM4T60 |
| Speedometer Drive Gear | GMO | 8632646 | 15.69 | |
| Speedometer Driven Gear |
| Yellow (28 Teeth) | GMO | 25509843 | 34.25 | Contact Dealer for most current part and price information. |