Cummins 4BT 3.9L Engine In-Frame Rebuild Kit Late Version. This engine does not use liners. You are looking at a Cummins 4BT 3.9L Engine In-Frame Rebuild Kit in aftermarket parts. TheCummins 4BT 3.9L Engine In-Frame Rebuild Kit weights about 47lbs. When we give you estimated time of arrival for your order we are passing the information from our providers to you. The item "Cummins 4BT 3.9L Engine In-Frame Rebuild Kit" is in sale since Wednesday, December 1, 2010. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Other". The seller is "iescdiesel" and is located in Miami, Florida. This item can be shipped worldwide.