A0309979045
O-Ring for Cylinder Head Cover
Detroit Diesel

Specifically crafted for sealing the cylinder head closing cover, this rubber O-ring features an inner diameter of 89 mm, outer diameter of 97 mm, and a 4 mm wall thickness. Its robust rubber construction guarantees a tight, reliable seal that prevents oil leaks and contamination at the cylinder head interface. This sealing component is essential for maintaining proper compression and preventing the ingress of dirt and moisture, which can severely impact engine performance and longevity. Its design allows for easy installation and dependable long-term sealing, even under high thermal and mechanical stress. Replacing this ring during maintenance ensures optimal engine operation and helps avoid potential head gasket failures. Source One Parts Center guarantees the availability of this part, enabling you to uphold the integrity of your Detroit Diesel engine’s critical sealing points.