The Cummins 493357100 valve is a genuine OEM component engineered for optimal performance in various Cummins engines. This critical engine part ensures proper combustion chamber sealing and efficient gas flow, contributing to engine durability and fuel efficiency. It is compatible with a wide range of Cummins engine series, including QSB6.7, QSB4.5, QSB3.9, B3.9, B4.5, B5.9, ISB6.7, ISB4.5, ISB5.9, ISF3.8, and ISF2.8. Measuring 95 mm in length, 20 mm in width, and 20 mm in height, with a weight of 0.12 kg, this valve meets strict Cummins specifications for quality and reliability.