W470589129100
High Pressure Fuel Rail Test Caps - HDEP
Detroit Diesel

Test caps designed for high-pressure fuel rails provide a secure and accessible way to monitor and evaluate fuel system integrity. These caps enable technicians to seal off fuel lines safely during testing procedures, preventing leaks and ensuring accurate pressure readings. Their compatibility with HDEP systems makes them essential for diagnosing fuel pressure issues, verifying the proper functioning of high-pressure fuel components, and conducting leak tests. Constructed from durable, fuel-resistant materials, these caps withstand the demanding environment of diesel fuel systems. Proper use of these test caps helps maintain fuel system safety and performance, ultimately contributing to improved engine reliability and efficiency. Source One Parts Center supplies these test caps as part of their comprehensive diesel engine testing tools, supporting technicians in delivering precise diagnostics.