Cummins 4063296 Fuel Injector Supply Tube

The Cummins 4063296 is a high-pressure fuel injector supply tube designed for Cummins common rail fuel systems. It delivers pressurized fuel from the fuel rail to the injector inlet. Manufactured to OEM specifications for precise fit and durability under extreme pressure cycles. This component features a specific 3-degree bend configuration (Tubo Inj 3°) to match the cylinder head geometry. It is constructed from high-strength steel with corrosion-resistant coating to withstand harsh under-hood environments and high-pressure fuel pulsations. Primary applications include Cummins ISL and ISLe series engines found in Dongfeng Tianlong flagship tractors and SDLG wheel loaders. Replaces OE part numbers 3863435, 3863436, 3863437, and 4063292.