Cummins 4BT 3.9L Steel Oil Pan

Product Name: Cummins 4BT 3.9L Steel Oil Pan
Manufacturer: Cummins
Manufacturer Part #: 3901049
Thoroughbred Diesel Part #: CUM3901049
Fitment Notes: 4BT 3.9L

The Cummins 3901049 Steel Oil Pan is a direct replacement designed for 3.9L 4BT and 4B-series diesel engines. Built from durable stamped steel, this oil pan provides reliable oil containment and proper lubrication for industrial and automotive 4BT applications. Featuring a front-sump configuration and OE-style mounting points, it ensures proper oil pickup placement and consistent oil flow throughout the engine. Ideal for engine rebuilds, repairs, or conversions, this oil pan restores factory functionality and long-term durability for Cummins 3.9L diesel engines.

Cummins 4BT 3.9L Steel Oil Pan Features:

• Fits Cummins 4BT / 4B 3.9L diesel engines
• Direct replacement for Cummins part number 3901049
• Durable stamped steel construction for long service life
• Front sump design for proper oil pickup positioning
• Approximately 10-quart oil capacity for adequate lubrication
• Includes M18 x 1.5 drain plug port
• OE-style mounting flange with 28 mounting holes
• Oil level sensor port for compatible applications
• Ideal for engine rebuilds, repairs, and diesel conversions
• For more information on Cummins call us at 1-859-737-4966