Reliable Power. When and Where You Need It.

You and your customers need high performance and reliable power generating systems backed by nationwide, world-class service and support. Whether it's power for an airport, utility vehicles, data centers, oil rigs, mining or cell towers, all has the solution.

As the only single-source manufacturer of engines, diesel generator, alternators, digital controls, transfer switches and digital paralleling systems, Cummins gives you not only superior power, but superior control, usability and local utility paralleling — all backed by one of the largest sales, service and support network in the country.

Cummins 4BT 3.9 and B Series Engine Parts

3802376 LOWER ENGINE GASKET SET - 6B 5.9 / G5.9 / QSB 5.9

3802375 LOWER ENGINE GASKET SET - QSB3.9-30 / QSB4.5-30

3959052 OIL PAN GASKET

4089173 LOWER ENGINE GASKET SET - ISB 6.7

3958165 OIL PAN GASKET - B SERIES

4955230 LOWER ENGINE GASKET SET - B SERIES / ISB / QSB

4955355 LOWER ENGINE GASKET SET - ISB (HPCR CM2150 FGT)

4955357 LOWER ENGINE GASKET SET - B SERIES / ISB / QSB

4089264 LOWER ENGINE GASKET SET - ISB 5.9 (HPCR WITH RGT, EGR)

3800833 LOWER ENGINE GASKET SET - QSB 5.9 (4 VALVE VP44)

3938161 OIL PAN GASKET

3973509 OIL PAN GASKET - ISB / ISC / QSC

4025139 LOWER ENGINE GASKET SET - ISBE 5.9 / QSB 5.9

4089956 LOWER ENGINE GASKET SET - QSB 5.9-M (HPCR 425HO FGT)

4025108 LOWER ENGINE GASKET SET - ISB / QSB / 4B / B5.9

4955522 LOWER ENGINE GASKET SET - ISB 6.7L

3959797 OIL PAN GASKET - 4B3.9 / 6B5.9 / ISB / ISD

4943167 OIL PAN GASKET - 4B3.9 / 6B5.9 / ISB / ISD