Retainer, Push Rod Oil Seal

Overhauling the clutch? Renewing as many of the high wear and damage prone items (friction discs plates & springs usually) at the same time will attain the best results. Interfacing used parts with new may lead to premature wear of the new parts and a less progressive clutch action.
Other clutch related parts you may wish to consider:

2120034841
2120034842
2120034843
0926337001
0916022045
2141030B03
0914020006
2144132C50
2144133C51
2145119A00
2147132C00
0916494001
2146204A00
2146232C50
0944015021
0911605015
0918005034
2312139101
2311032C50
2320032C00
2311730B01

Order new gaskets and gasket sealant at the same time? Try this: 08C70K0234M the choice of many trade professionals.

Are there any other parts that may be better being renewed than reused in the clutch?

This component may have other applications within the Suzuki model range - so please ensure you order the correct part-number for your model.