Oil lubricates and helps cool the engine - it can only do this when the oil-cooler and ancillary components are in tip-top condition, without damage and clear of debris.
Renewing as many of the components as possible will ensure the efficient operation of the cooler will not be compromised.
Other related parts you may wish to consider:
Add as many items as you wish to the same shopping cart, new bolts 0911606143 spacers 0918006310 and cushions 0932010015 for example, and still only pay the same single fixed price shipping cost. This component may have other applications within the Suzuki model range.