3046200 Jaw Coupling Spider for Cummins NT855 K38 K50 Engine Keywords: 3046200 coupling spider, jaw coupling elastic insert, Cummins NT855 K38 K50 flexible coupling, diesel engine mechanical transmission parts 🔹Product Overview This Jaw Coupling Spider part number 3046200 is compatible with Cummins NT855, K38 and K50 diesel engines. It is the elastic buffer element of jaw coupling. It absorbs vibration and shock during power transmission, compensates minor axial, radial and