409191 O Ring Seal

409191 O Ring Seal for Cummins Engine NH NT 855 NTC N14,The 409191 O ring seal is a versatile miniature sealing accessory widely used for Cummins NH, NT855, NTC and N14 engines. Made of high-elasticity oil-resistant rubber, it maintains stable sealing performance under frequent pressure and temperature changes. It is applicable to various engine pipeline joints and assembly gaps, effectively preventing oil, gas and coolant leakage. With excellent aging resistance and long service life, it reduces frequent replacement and ensures engine system tightness.