Oil Pump - 89-02 5.9L Cummins 4939587

89-02 upgraded oil pump with a higher oil output volume than the OEM stock twelve-valve pump. NOTE: This Cummins Oil Pump will not work on 2003 to current model Dodge Ram trucks with the Cummins 5.9L or 6.7L Turbo Diesel engines.   OEM 4939587

This 4939587 OEM Cummins Replacement Oil Pump supersedes:

• 3901175
• 3906414
• 3914006
• 3914008
• 3918212
• 3924720
• 3926203
• 3941742
• 3937404