Cummins 4BT, 6BT and QSB5.9 Engines and Parts
Complete engines, short blocks and parts for Cummins 4BT3.9, 6BT5.9 and QSB5.9 engines, which Komatsu uses as the S4D102 and S6D102: cylinder blocks and heads, crankshafts, camshafts, piston kits, bearings, gasket sets, oil and water pumps, turbochargers and injectors. For marine B-Series engines we also have heat exchangers and water-cooled exhaust manifolds. Complete engines are listed here when we have them in stock. See also Komatsu S4D102 and S6D102.
See all Cummins engine parts.
Prices are given on request. Send us the engine serial number or CPL number, or the part reference, and we will confirm fitment, condition and delivery time to your country.
































































































