Fleetguard LF14002NN spin-on lube oil filter built on Cummins's two-stage NanoNet/StrataPore media — a coarse first-stage layer for high-volume contaminant capture and a fine NanoNet final stage for sub-micron particle removal. Engineered specifically for 2020 and newer Cummins L9 medium-duty engines and replaces Cummins OEM 5520789. Specifications Manufacturer Fleetguard (OEM Cummins Filtration) Part Number LF14002NN Part Type Spin-On Full-Flow Lube Filter (NanoNet) Engine Compatibility Cummins L9 (2020 and newer) Media Two-stage StrataPore + NanoNet Cross References This filter replaces or is equivalent to the following part numbers: Cummins: 5520789 Wix: 51748XD Applications This lube filter fits the following engines: Cummins L9 8.9L (2020 and newer, MY2021+ medium-duty) Representative vehicles using these engines: International HV Series, MV Series (2020+) Freightliner M2 106, 108SD (2020+) Kenworth T270, T370, T440 medium-duty (2020+) Peterbilt 337, 348 medium-duty (2020+) Transit and shuttle bus chassis with Cummins L9 (2020+) Verify your engine serial number and model year before ordering. LF14002NN is for L9; ISX15/X15 trucks use LF14000NN, and pre-2020 ISL9 engines use a different filter.