A4710704635
High-Pressure Pump Return Line (Coach)
Detroit Diesel

This high-pressure pump return line is designed for heavy-duty coach engines, capable of handling burst pressures up to 125 bar and operating reliably at 25 bar. Its construction ensures resistance to thermal and mechanical stresses, maintaining a leak-free environment under demanding conditions. The durable steel material supports prolonged service life, while its precise dimensions facilitate secure installation and optimal fitment. It plays a vital role in returning excess fuel from the high-pressure pump to the tank, helping regulate pressure and improve system stability. Properly sourced from trusted providers like Source One Parts Center, this component guarantees quality and compatibility, promoting consistent engine performance. Its reliable operation is integral to maintaining efficient fuel circulation, reducing downtime, and supporting emissions compliance in heavy-duty trucking applications.