3957079 5086870AA High Pressure Fuel Line for Cummins Ram 5.9L 2003-2009 CP3 Rai

Product Overview

This aftermarket replacement high pressure fuel line is intended for 2003-2009 Cummins Ram 5.9L applications and routes fuel from the CP3 pump to the fuel rail, cross-referencing part numbers 3957079 and 5086870Aa. A high pressure fuel line carries fuel between specified components of a fuel injection system.

Key Features & Performance

• Routes high pressure fuel from the CP3 pump to the fuel rail
• Supports the fuel delivery path within the engine fuel injection system
• Cross-references part numbers 3957079 and 5086870Aa
• Intended for servicing or replacing the corresponding CP3-to-rail fuel line

Fitment & Compatibility

• for 2003-2009 Cummins Ram 5.9L applications

Common Uses

• Replacing a worn, damaged, or malfunctioning high pressure fuel line
• Servicing the fuel delivery system between the CP3 pump and fuel rail
• Restoring the normal fuel routing function after the existing line has failed

Technical Specifications

• Product Type: High pressure fuel line
• Part Number(s): 3957079; 5086870Aa
• Engine Application(s): Cummins Ram 5.9L
• General Application: CP3 to rail
• Model Application(s): 2003-2009 Cummins Ram 5.9L

Frequently Asked Questions

Q: What does a high pressure fuel line do? A: It carries fuel between designated components of a fuel injection system, such as the CP3 pump and fuel rail.

Q: How should fitment be verified? A: Compare the complete existing part number, 3957079 or 5086870Aa, and the complete equipment designation, 2003-2009 Cummins Ram 5.9L, before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.