... air filter; For Caterpillar excavators, loaders, dozers, scrapers, etc 106-3969; RS3700, AF25262, P533882 Quality replacement Air Filter for CATERPILLAR ... , Off road equipment, etc.Use with CATERPILLAR 106-3973, FLEETGUARD AF25263;Ref#: CATERPILLAR 106-3969, FLEETGUARD AF25262;Length 466, OD 361 ... class workmanship;Efficient filtration and long-lasting service time. 106-3969 Air Filter for Caterpillar