MDDC72000053
Upper O-Ring for E3 Injector
Detroit Diesel

This upper O-ring is essential for ensuring a secure seal around the E3 injector, preventing fluid leaks and maintaining proper fuel pressure within the system. Its material composition is selected for excellent resistance to high temperatures, fuel chemicals, and mechanical stresses, which are typical in engine operation. The O-ring’s precise dimensions guarantee a tight fit, contributing to consistent engine performance and reliability. Proper sealing with this component helps prevent injector failure and supports efficient fuel atomization, leading to better combustion and fuel economy. Easy to replace during routine maintenance, this part is a key element in preserving engine integrity. Source One Parts Center offers this high-quality O-ring as part of their extensive inventory of trusted heavy-duty truck parts.