The genuine STIHL 42501303311 Injection Valve is an authentic OEM component engineered for precise fuel injection in compatible STIHL equipment. This critical part ensures efficient fuel atomization and delivery, contributing to optimal engine performance, reduced emissions, and reliable operation. Manufactured to STIHL's rigorous quality standards, it guarantees a perfect fit and long-lasting durability, maintaining the integrity of your machinery's fuel system. It is specifically designed for STIHL BR 500, BR 550, BR 600, BR 700, BR 700 X, SR 430, and SR 450 models.