Glacier Diesel Power 1998.5-2007 Dodge Ram 5.9L Cummins Lift Pump Pressure Test Fitting

Proper fuel pressure is critical to the performance and reliability of your 1998.5-2007 Dodge Ram 5.9L Cummins. Whether you're troubleshooting a hard start, low power condition, surging, or simply verifying lift pump performance, the Glacier Diesel Power Lift Pump Pressure Test Fitting provides a quick and accurate way to connect a fuel pressure gauge to your low-pressure fuel system.

Precision-machined from solid 3/4" stainless steel, this custom test fitting replaces a factory banjo fitting on the feed side of the fuel system and features an integrated 3/8" hose barb for connecting a fuel pressure test gauge. Its durable stainless steel construction provides excellent corrosion resistance and long-term reliability, making it a valuable tool for both professional technicians and diesel enthusiasts.

Installing this fitting allows you to accurately monitor lift pump pressure, helping diagnose fuel delivery issues before replacing expensive components such as the CP3 injection pump, injectors, or other common rail fuel system parts. Proper lift pump pressure testing is one of the first and most important steps in diagnosing low-pressure fuel system problems.

Features

• Precision-machined from solid 3/4" stainless steel
• Custom fitting designed for lift pump pressure testing
• Integrated 3/8" hose barb for fuel pressure gauge connection
• Corrosion-resistant stainless steel construction
• Factory-style fit for quick installation
• Durable, reusable design for years of service

Common Uses

• Lift pump pressure testing
• Fuel system diagnostics
• Troubleshooting hard starting
• Diagnosing low fuel pressure
• Verifying lift pump performance
• Preventative maintenance
• Professional diesel repair and service

Vehicle Fitment

• 1998.5-2007 Dodge Ram 2500 & 3500
• 5.9L Cummins 24-Valve Diesel
• Common Rail applications utilizing a factory banjo fitting on the feed side of the fuel system

Important: This fitting is intended for temporary fuel pressure testing and diagnostics. It replaces the factory banjo fitting on the low-pressure fuel supply side and allows a fuel pressure gauge to be connected using a 3/8" hose. Always follow the testing procedures outlined in your factory service manual and inspect sealing washers during installation to help ensure a leak-free seal.