Buy Caterpillar 4N0390 - ROD ASSEMBLY PISTON TO CRANKSHAFT at wholesale prices with easy payment and fast shipping options. Save up to 50% OFF OEM pricing. Compatible Machines:- ENGINE - MARINE Compatible Models:- 3408- 3408B Units Containing The Spare Part :- 4N1994 CONNECTING ROD AND PISTON GROUP--8 REQUIRED (3408)- 4N1993 ROD AND PISTON GROUP--8 Required (3408)- 5N2891 MARINE SOCIETY SPARE PARTS KIT--Propulsion--Part 1 of 2 (3408)- 5N2893 MARINE SOCIETY SPARE PARTS KIT--Propulsion--Part 1 of 2 (3408)- 4N1993 ROD AND PISTON GROUP--8 Required (3408)- 4N1994 ROD AND PISTON GROUP--8 Required (3408)- 4N1994 CONNECTING ROD AND PISTON GROUP--8 Required (3408)