Cummins 5340176 Turbocharger Oil Return Pipe Assembly

This turbocharger oil return pipe assembly directs lubricating oil from the turbocharger bearing housing back to the engine crankcase. It features a flexible stainless steel bellows section to accommodate thermal expansion and vibration, terminated with rigid steel flanges for secure sealing. Designed for Cummins ISF2.8, QSF2.8, and R2.8 engine platforms (2.8L displacement). Primary applications include Foton heavy-duty trucks, buses, construction machinery, generator sets, and marine auxiliary units. The component meets ISO/TS16949 quality standards for OEM replacement durability under high-temperature oil flow conditions. Cross-references include Cummins part numbers 4994821, 5297747, 5297748, 5340152, and 4994822. Aftermarket variants include 5340176F and 5297748F. Verify engine serial number for exact fitment due to production running changes.