Overhauling the gearbox? Renewing as many of the high wear and damage prone components 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 smooth, noisier transmission.
Other related parts you may wish to consider:
Try this pro-workshop gasket sealant: 08C70K0234M. Easy to apply with superb results.
Add as many items as you wish to the same shopping cart, new bushes 09301280012433224A002433249000 & lock-washers 09167280010916728002 for example, and still only pay the same single fixed price shipping cost.
This component may have other applications in the Suzuki model range.