OMCO DEF TANK CAP - NON VENTED Missing image helping to reduce combustion temperatures

helping to reduce combustion temperatures and lower nitrogen oxide (NOx) emissions

including models 641B

It offers a long stroke to enhance braking effectiveness

High dirt-holding capacity for extended service intervals

OMCO DEF TANK CAP - NON VENTED Missing image helping to reduce combustion temperaturesThe OMCO DEF TANK CAP NON VENTED is a durable, precision engineered cap designed to securely seal Diesel Exhaust Fluid (DEF) tanks without venting. Its non vented design helps maintain DEF quality by preventing contamination and evaporation, ensuring optimal performance of emission control systems in heavy duty vehicles. Built for reliable sealing and long term durability under demanding conditions.