Cummins B Series|4BT 3.9 and 6BT 5.9 Engine Parts

Hawks Parts offers everything you need to maintain Cummins B Series Engines. whether it’s for a complete engine rebuild on a Cummins 6BT 5.9 or a simple maintenance job on a Cummins 4BT 3.9. Our inventory has a large selection of 3.9 4BT and 5.9 6BT Cummins parts that are ready to ship. No matter whether you choose Genuine OEM or aftermarket parts.

With more than 15 years of experience with Cummins Parts, we already have a very stable supply chain in which we can supply very competitive prices as well as fast delivery. Hawks offers more than just parts for Cummins B series engines. We also have the expertise to keep your equipment running. Our goal is to maximize uptime, whether it’s by helping you select the right parts for 6BT and 4BT engines or making last-minute order changes.

If you do not see the B Series part you need, please use our quote request form or call us at +86 18027472559 our friendly sales staff will gladly help you.

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We carry a large assortment of aftermarket, genuine, and OEM parts for Cummins 4BT 3.9 and 6BT 5.9 diesel engines, including turbochargers, overhaul kits, injectors, and lift pumps. cylinder head, cylinder block, and more. For more information on B Series engines, please visit our Cummins engine parts catalog page.

We’ve got more items that may not be listed on our website yet. If you’re looking for something specific, please contact us here or by giving us a call at +86 18027472559, Also you can visit our more Cummins Genuine Parts Products.



we are a professional truck parts supplier, and wholesale, Manufacturer in China with more than 15 years of export experience, and we have more than 5,000 customers around the world


We have a stable and strong supply chain, with a great advantage of the prices and lead time, our cooperated brands include Cummins, Foton, also for Yuchai, Mahle, Fleetguard, Holset, BOSCH, DENSO


With sufficient stock, normally our engine parts and other truck body parts have the fastest delivery time, generally available within 2-15 days for different quantities.


With the professional sales team and engineers team, we can answer your inquiry or question within 12 hours, For inquiry, just tell us your quality grade, OE part No and quantities


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