MDDC72000054
Lower O-Ring for E3 Injector (2007)
Detroit Diesel

Designed for the lower position in the E3 injector assembly, this O-ring provides a vital seal to prevent fuel or oil leaks, maintaining system pressure and efficiency. Its resistance to high temperatures and aggressive chemicals ensures durability over extended service intervals. The precise fit of this O-ring minimizes the risk of blow-by or pressure loss, supporting optimal engine operation. Its material construction also resists deformation, cracking, or hardening under thermal cycling. Replacing this component is straightforward, making it a cost-effective way to sustain engine reliability. Trusted by maintenance professionals, this part is available through Source One Parts Center, a dependable supplier of heavy-duty engine components.