Caterpillar 2N-7003  FILTER-SOOT / Box of 5 Used in Air intake and Exhaust systems in Caterpillar Generator model SR4, Engine - Marine models 3412C, 3412, 3412E and others. FOR USE WITH 1800 RPM RATINGS ON DITA MARINE PROPULSION ENGINES Interchange Parts:  Donaldson P607314, Baldwin PA1765 Foam Blanket, Wix Filters 46099 & 546099, Big A 94099, CARQUEST 88099, Kralinator LA202B, NAPA 6099, Air Refinr ARM10-3951B, Gardner-Denver 2019591, United Engine Life EFG372, Luber Finer LAF4342 & LAF4714, Fram PA2   Product Name:  Air FilterLength Or Height:  11.13 mm,0.438 inOutside Diameter Top:  128.6 mm,5.063 inInside Diameter:  113.51 mm,4.469 inWeight: 0.4 lbs / 0.18 kg ea.