Subscribe to RSS Feed Cummins 4BTA 3.9 Parts Cummins 4BTA 3.9 Parts Select Group To Find Part 1 Rebuild Kit 2 Fresh Water 3 Sea Water 4 Cylinder Head 5 Fuel Pump 6 Injector 7 Turbo 8 Oil 9 Crankshaft 10 Exhaust 11 Gasket 12 Connecting Rod 13 Camshaft 14 Switch 15 Gauge 16 Manuals & Tools 17 Starters and Alternators 18 Piston Kits 19 Fuel Filter 20 Oil Filter 21 Industrial Cables 22 Marine Cables 23 Paints & Sealants 24 Other Parts Go Back