Cummins 4BT 3.9L Remanufactured Long Block Engine: Verified Component Inventory

The Cummins 4BT 3.9L Remanufactured Long Block Engine, listed under SKU USCD28L1, is a remanufactured long block assembly. This page documents the verified components listed on the public product source page for that assembly.

Verified Component Inventory for SKU USCD28L1

The following components are explicitly listed on the verified public product source page for the Cummins 4BT 3.9L Remanufactured Long Block Engine (SKU: USCD28L1). 1. Cam/Main/Rod Bearings — The bearing set covering camshaft, main, and connecting rod positions within the engine block assembly. 2. Oil Pump — The internal oil pump included in the long block. 3. Timing Gears — Gear-driven timing components included in this assembly. 4. Camshaft — The camshaft that operates the valve actuation sequence through the valvetrain. 5. Pistons — The piston assemblies fitted within the cylinder bores of the block. 6. 7. Connecting Rods — Connecting rods included in this assembly. 8. Piston Rings — The ring sets installed on the pistons. 9. 10. Gaskets — The gasket set included with the long block assembly. 11. Push Rods — The push rods that transfer motion from the lifters to the rocker arms. 12. Valve Keepers — The retaining keepers that secure the valve springs to the valve stems. 13. Lifters — The valve lifters that ride the camshaft lobes and actuate the push rods. 14. Rocker Arms — The rocker arms that translate push rod movement into valve opening and closing motion. 15. Valve Springs — The springs that return valves to their closed position after actuation. This inventory represents the complete set of components as publicly documented on the verified product source page.

Frequently asked questions

What is the SKU for the Cummins 4BT 3.9L Remanufactured Long Block Engine?

The verified public SKU for this assembly is USCD28L1, as listed on the public product source page.

What components are listed as included in SKU USCD28L1?

The publicly listed components include: Cam/Main/Rod Bearings, Oil Pump, Timing Gears, Camshaft, Pistons, Valves, Connecting Rods, Piston Rings, Valve Guides, Gaskets, Push Rods, Valve Keepers, Lifters, Rocker Arms, and Valve Springs. These fifteen items are the only components documented on the verified public product source page.

Does this page confirm fitment, compatibility, or performance specifications?

No. This page documents only the component inventory as listed on the verified public product source page.

How can I get more information or place an order?

Use the quote request option to submit an inquiry regarding SKU USCD28L1.

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