Gasket And O-ring Kit 5.9 Cummins Vacuum Pump Seal Kit | 4089742 Vacuum Pump Shaft Seal ◆ Brand New Vacuum Pump Power Steering Seal Kit, sturdy to Use; Seal Kit 4089742 for Cummins ◆ Direct replacement on frond driver side, for 1991., 5 - 2002 5., 9L Dodge Cummins; This kit includes everything needed to reseal that pesky oil leak from your vacuum pump. Cummins: 4089742. Reviews... ◆ Package Included: Set of 1x gasket, 1x oil seal, 2x o-rings as pictured Erectsport Brand 3 Month Warranty Vacuum Pump Shaft Seal Kit Fits For Cummins 91.5-02 Dodge Ram 5.9L 4089742 Seal Kit Dodge Ram ◆ This kit repairs the engine oil leak for the Dodge / Cummins engine where the power steering pump joins the vacuum pump.