Cummins 4BT 3.9 and 6BT 5.9 Engine Parts

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Cummins 4BT 3.9 and 6BT 5.9 Engine Parts


Soni Power has everything you need for Cummins B Series engines. Whether it’s a full engine rebuild for a 5.9 Cummins 6BT or simple maintenance for a 4BT 3.9 diesel engine, we’ve got the parts and supplies to keep your fleet humming. Check our inventory to find an extensive selection of 3.9 and 5.9 Cummins parts ready for shipment. What’s more, no matter if you prefer OEM or aftermarket parts, all come with a one-year manufacturer’s warranty.

In addition to parts for the Cummins B Series, Soni Power has the knowledge to help you keep your equipment operating. From help selecting the right parts for your 6BT and 4BT engines to making last minute order changes, our goal is to maximize your uptime.

Keep your B Series engines up and operating with Soni Power.

Overhaul Gasket Sets

Air System

Cylinder Heads

Cooling System

Fuel System

Cylinder Blocks

Pistons & Rods


Belts and Tensioners

Lubrication System

Electrical Accessories

Senders and Switches


Others Parts

Need Assistance?

If you need help selecting the right part for your Cummins engine, please use our quote request form. Provide as much information as you can about the parts you require and our knowledgeable staff will promptly answer your request.

You may also call us at +91 9831019511 / 9433042249 to inquire about current pricing and availability of our products.

Find Cummins B Series Parts

We carry a large assortment of aftermarket, genuine, and parts for Cummins 4BT 3.9 and 6BT 5.9 diesel engines, including turbochargers, overhaul kits, injectors, and lift pumps.

For more information on B series engines, please visit our Cummins engine specifications page.