A0139971447
Rear Rotary Crankshaft Seal / Valve Ring
Detroit Diesel

This rear ring valve seal plays a critical role in maintaining the integrity of the crankshaft chamber by preventing oil leaks and contamination ingress. Crafted from stainless steel, its construction ensures excellent durability and resistance to corrosion under extreme engine operating conditions. The design provides a precise fit around the crankshaft, reducing blow-by and ensuring optimal sealing performance. Its robust material choice helps withstand thermal expansion and mechanical stress during engine operation, which is essential for maintaining engine efficiency and longevity. Proper installation of this component is vital for preventing oil leaks that could compromise engine performance or cause environmental hazards. The seal's reliability contributes to smoother engine operation and reduces maintenance costs over the long term. When sourcing quality replacement parts, trust Source One Parts Center for authentic components designed to meet or exceed OEM standards, ensuring your engine maintains peak performance and durability.