OEM Standard Direct Replacement Professional aftermarket fuel check valve, directly replaces OE part number 3348332 and cross-reference 042211. Designed to match OEM fit, form, and function for Cummins N14 (NI4) fuel system.
Perfect Fit for Cummins N14 (NI4) Engine Specifically engineered for Cummins N14 (NI4) series diesel engines, widely used in heavy-duty semi-trucks, tractors, highway trucks, and commercial vehicles across North America.
Wide Vehicle Compatibility with Brand & Year Fits most heavy-duty trucks equipped with Cummins N14 engine, including Peterbilt, Kenworth, Freightliner, International, Mack, Volvo from 1980s to 2000s classic and late-model semi trucks.
Prevent Fuel Backflow & Stabilize Pressure Effectively stops fuel backflow, maintains steady fuel pressure, fixes hard starting, rough idle, and poor performance, improving engine reliability and fuel efficiency.
Heavy-Duty Construction & Easy Installation Made of high-quality metal and premium seals for high pressure, heat, and corrosion resistance. Direct installation without modification, ideal for repair shops and fleet maintenance.