Product Description
Cummins 3687030 fuel transfer tube for compatible ISX15 and QSX15 diesel engines. Designed to transfer fuel between components of the engine fuel supply system, providing a secure connection for compatible fuel pump assemblies.
This flexible fuel tube is used in select Cummins 15-liter engine configurations. The formed tube design accommodates the routing required between fuel system components.
Replacement part measurements are approximately 18 inches long, 10.5 inches wide, and 3.25 inches high, with a nominal 5/8-inch tube outside diameter.
Verify engine model, serial number, fuel pump configuration, connection fittings, and original equipment part number before ordering. Confirm whether sealing washers and mounting hardware are included.
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