4282 025 1901 – STIHL Exhaust Valve Genuine OEM Part 30" TurfMaster® HDX Walk-Behind Mower STS – SCAG OEM Replacement

STS – SCAG OEM Replacement Part

Resistant to impact

Exmark zero-turn mower blade drive systems

Brushcutters & Clearing SawsFS 120

Side-mounted chain tensioning makes it easy to tension the chain safely

4282 025 1901 – STIHL Exhaust Valve Genuine OEM Part 30" TurfMaster® HDX Walk-Behind Mower STS – SCAG OEM Replacement4282 025 1901 STIHL Exhaust Valve Genuine OEM Part Fits: BR 500 BR 550 BR 600 (Engine Assembly) The STIHL Exhaust Valve 4282 025 1901 is a genuine OEM replacement engine component designed for select STIHL backpack blowers. This exhaust valve plays a critical role in the engines exhaust system by allowing burned gases to exit the combustion chamber efficiently, supporting proper airflow and engine performance. Over time, exhaust valves may wear,