3957079 5086870AA Supply Line Fuel Rail for Cummins 6 Cyl 5.9L Diesel

Product Overview

This aftermarket replacement supply line fuel rail is intended for Cummins 6 Cyl 5.9L Diesel applications and cross-references part numbers 3957079 and 5086870AA. A fuel rail or supply line fuel rail helps deliver and distribute fuel within the engine fuel system.

Key Features & Performance

• Supports the normal fuel delivery function of a supply line fuel rail.
• Intended for use within the fuel system of the listed Cummins diesel engine application.
• Cross-references part numbers 3957079 and 5086870AA.
• Suitable for servicing or replacing the corresponding fuel rail component.

Fitment & Compatibility

• for Cummins 6 Cyl 5.9L Diesel applications

Common Uses

• Replacing a worn, damaged, or malfunctioning fuel rail component.
• Routine service of the associated diesel fuel system.
• Restoring the normal fuel delivery function after component failure.

Technical Specifications

• Product Type: Supply line fuel rail
• Part Number(s): 3957079, 5086870AA
• Engine Application(s): Cummins 6 Cyl 5.9L Diesel

Frequently Asked Questions

Q: What does a supply line fuel rail do? A: It helps deliver and distribute fuel within the engine fuel system for the associated diesel application.

Q: How should fitment be verified? A: Compare the complete part number, including 3957079 or 5086870AA, with the complete Cummins 6 Cyl 5.9L Diesel engine designation and existing component 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.