The Kyosho 74031-13-1B Air Cleaner Sponge set is aimed at owners of KE21SP and KE25SP engines who need a straightforward replacement. Two sponges are supplied so you can swap one out during routine maintenance without delay.
These replacement sponges are tailored to the KE21SP and KE25SP intakes and offer effective blockage of dust and small debris. Regular replacement helps avoid abrasive particles wearing key engine components.
Fitting is simple: open the air cleaner assembly, remove the worn sponge and install the new foam ensuring a secure seat. Inspect the sponge after dusty runs and replace the spare as required to keep the engine protected.
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