4937767 3936317 Fuel Transfer Pump for Cummins 686G 721B 75XT 85XT 860 90XT

Product Overview

This aftermarket replacement fuel transfer pump is intended for the listed Cummins 686G, 721B, 75XT, 85XT, 860, 90XT, and 95XT applications and cross-references part numbers 4937767 and 3936317. A fuel transfer pump moves fuel through a fuel system to support delivery between system components and the engine.

Key Features & Performance

• Transfers fuel through the fuel system as part of normal fuel delivery.
• Supports servicing or replacement of the corresponding fuel transfer pump.
• Cross-references part numbers 4937767 and 3936317 for parts identification.
• Applies to the complete Cummins model designations listed in the title.

Fitment & Compatibility

• for Cummins 686G applications
• for Cummins 721B applications
• for Cummins 75XT applications
• for Cummins 85XT applications
• for Cummins 860 applications
• for Cummins 90XT applications
• for Cummins 95XT applications

Common Uses

• Replacing a worn, damaged, leaking, or malfunctioning fuel transfer pump.
• Routine maintenance of the engine fuel delivery system.
• Servicing the fuel system when the corresponding transfer pump requires replacement.

Technical Specifications

• Product Type: Fuel Transfer Pump
• Part Number(s): 4937767, 3936317
• Model Application(s): Cummins 686G, 721B, 75XT, 85XT, 860, 90XT, 95XT

Frequently Asked Questions

Q: What does a fuel transfer pump do? A: A fuel transfer pump moves fuel through the fuel system to support delivery between system components and the engine.

Q: How should fitment be verified? A: Compare the complete existing part number and complete equipment model designation with the information supplied in the listing 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.