Fuel Injection Pump: The fuel injection pump, part number 3921773RX, is an essential component of a truck's engine system. It is responsible for pumping fuel from the tank to the engine's combustion chamber at high pressure and in precise amounts. This ensures efficient fuel combustion and optimal engine performance. The pump works by pressurizing the fuel and delivering it through a series of high-pressure lines to the injectors, which then spray a fine mist of fuel into each cylinder at precisely timed intervals. A malfunctioning or poorly functioning injection pump can lead to poor engine performance, increased emissions, and reduced fuel efficiency.
SPECIFICATIONS
RECOMMENDED PARTS
* 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.