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Thumbnail Filmstrip of 1989-2002 5.9L 12V / 24V Cummins Engine Oil Pump 4939587 Images
Low oil pressure at hot idle from a worn oil pump means it is time for a new part. Replace it with the genuine Cummins 4939587 engine oil pump.
- Genuine Cummins: The factory part, so it matches the original fit and material.
- What it does: Gear pump that supplies oil pressure to the bearings, cam and turbo.
- Fitment: 1989-2002 Dodge Ram trucks with the 5.9L 12V or 24V Cummins.
- Part number: Cummins 4939587.
Order today, and replace any related gaskets or hardware while you have it apart.
Low oil pressure at hot idle from a worn oil pump means it is time for a new part. Replace it with the genuine Cummins 4939587 engine oil pump.
- Genuine Cummins: The factory part, so it matches the original fit and material.
- What it does: Gear pump that supplies oil pressure to the bearings, cam and turbo.
- Fitment: 1989-2002 Dodge Ram trucks with the 5.9L 12V or 24V Cummins.
- Part number: Cummins 4939587.
Order today, and replace any related gaskets or hardware while you have it apart.
Fits: 5.9 Cummins 1989-1998
Fits: Cummins 1998.5-2004
Fits: 5.9 Cummins 1989-1998
Fits: 5.9 Cummins 1991-1998
Fits: Universal - 4 Inch Intake Systems
Fits: 5.9/6.7 Cummins 1995-2013