23565183
Expander Coil for Oil Control Ring
Detroit Diesel

The expander coil for the oil control ring is crafted from high-grade steel, providing the necessary spring tension to ensure the oil ring assembly maintains proper contact with the cylinder wall. With a pitch of 1.40mm and a length of 411mm, this coil offers precise flexibility and resilience, accommodating thermal expansion and contraction during engine operation. The wire diameter of 1.10mm ensures durability and consistent spring force, critical for maintaining effective oil control and preventing oil consumption issues. Proper installation of this coil supports optimal piston movement, reduces piston slap, and maintains piston ring sealing integrity under high-pressure conditions. Sourced through Source One Parts Center, this component aligns with strict quality standards, delivering dependable performance essential for extending engine life and maintaining emissions compliance in heavy-duty diesel engines.