Cummins 3.9L 4B 4BT 4-390 Genuine OEM Diesel Engine STD Crankshaft 3929036Condition: REMANUFACTURED The Cummins 3929036 3907803 crankshaft is crafted for the 4BT and 4BTA diesel engines including the 3. 9L configuration. Known for durability and precision this forged steel crankshaft is ideal for various applications such as excavators tractors boats and trucks. It ensures reliable performance and supports proper engine balance across heavy duty operations. All parts industrially cleaned and inspected for cracks and damage
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