This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing. We make it easy to buy truck parts online.
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Fuel Injection Pump:
The Fuel Injection Pump, part number 3929404RX, is an essential component of a diesel engine fuel system. Its primary function is to deliver fuel under high pressure to the injectors at precise intervals and in the correct quantity. The pump operates by drawing fuel from the tank and pressurizing it through a series of mechanical parts including a plunger and camshaft. Electronic sensors monitor engine performance and adjust the pump's operation accordingly for optimal efficiency. A malfunctioning or improperly calibrated Fuel Injection Pump can lead to decreased power output, increased emissions, and reduced fuel economy.
SPECIFICATIONS
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* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.
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