This genuine Stihl air filter kit is a crucial part that prevents dirt, dust and debris from entering the engine. The included air filter and auxiliary filter components fit together securely for dual-layer filtration, ensuring sensitive engine components are kept clean and functioning smoothly. Kit number 4238 140 4404 is for use on Stihl Cutquik TS 410 and TS 420 concrete cut-off saws.
Cut-Off Saws: TS 410, TS 420