Description Fleetguard LF3970 is a full-flow spin-on lube oil filter with synthetic StrataPore media for Cummins B6.7, ISB and QSB 4.5–6.7 diesel engines and equipment from manufacturers such as JCB, Komatsu, Freightliner, Kenworth, Peterbilt and John Deere, featuring 1 1/8-16 UN-2B thread, 93.47 mm outside diameter and 176.78 mm overall height, and cross-referencing Cummins 3937736, 5296733, 5346640, 5404947 and Donaldson P550428 equivalents.(jmesales.com)