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Thumbnail Filmstrip of 1989-2002 5.9L 12V / 24V Cummins Engine Oil Cooler 3957544 Images
Oil in the coolant and sludge in the overflow from a leaking oil cooler core means it is time for a new part. Replace it with the genuine Cummins 3957544 engine oil cooler.
- Genuine Cummins: The factory part, so it matches the original fit and material.
- What it does: Transfers engine oil heat into the coolant to hold oil temperature in range.
- Fitment: 1989-2002 Dodge Ram trucks with the 5.9L 12V or 24V Cummins.
- Part number: Cummins 3957544.
Order today, and replace any related gaskets or hardware while you have it apart.
Oil in the coolant and sludge in the overflow from a leaking oil cooler core means it is time for a new part. Replace it with the genuine Cummins 3957544 engine oil cooler.
- Genuine Cummins: The factory part, so it matches the original fit and material.
- What it does: Transfers engine oil heat into the coolant to hold oil temperature in range.
- Fitment: 1989-2002 Dodge Ram trucks with the 5.9L 12V or 24V Cummins.
- Part number: Cummins 3957544.
Order today, and replace any related gaskets or hardware while you have it apart.
Fits: 5.9 Cummins 1989-1998
Fits: 5.9 Cummins 1989-1998
Fits: 5.9 Cummins 1989-1998 | 3.9 Cummins 4BT
Fits: 5.9 Cummins 1989-2002