O Ring(d:1.9,id:16.6)

Overhauling the transmission? Renewing as many of the high wear and damage prone items at the same time will attain the best results. Interfacing used parts with new will lead to premature wear of the new parts and a less smooth transmission action.
Other related parts you may wish to consider:

2412002F01
2412002F02
2412002F04
2412002F05
2422102F01
2423102F00
2423102F01
2425102F01
2425102F11
2425202F00
2425202F10
2426102F01
2426102F11
0926220081
0926220139
0938027001
2413002F02
2413002F04
2431102F01
2431102F02
2432102F01
2432102F02
2432102F11
2433102F00
2433102F01
2433102F12
2433217E10
2434102F00
2434102F11
2435102F01
2435102F03
2436102F01
2436102F02
2436102F03
2436102F11

Renew all the wear and damage prone parts for the best results - don't forget to order new gaskets and gasket sealant; try this 08CRAHLG120G pro workshop formula.

Are there any other parts that may be better being renewed than repaired in the transmission?

This component may have other applications within the Suzuki model range.