Renewing the air-filter cartridge inline with suggested service intervals is vital to achieve full performance and protection for the engine internals from damaging particulates.
Also check the other components, like this one, that make up the complete assembly for damage that may undermine the air-filters primary function?
Some of the other parts you may also wish to replace are listed below:
Ensure the air-filtration function is not breached.
Add as many items as you wish to the same shopping cart, new antivibe mounting grommets, collars and new fasteners for example, and still only pay the same single fixed price shipping cost.