Dorman Vacuum Pump For 1994-2002 Dodge 5.9l Cummins 904-810 Dorman Vacuum Pump For 1994-2002 Dodge 5.9l Cummins 904-810 Please Call For Availability. The Dorman 904-810 Gear Driven Mechanical Vacuum Pump is a direct replacement for your 1994-2002 Dodge 5.9L Cummins.Dorman Vacuum Pumps are 100% new, not... MSRP: Was: Now: $304.69 Add to Cart The item has been added