The DAVCO replacement for NAVISTAR 1822190C94 (DAVCO p/n 210109) and NAVISTAR 1822520C96 (DAVCO 210110) is DAVCO p/n 243210DAVK7-07. - This is not a plug and play upgrade kit. It will be at least a 2-3 hours installation job. - You will need to install a new fuel line using any diesel compatible fuel line. It does have to be hardlines. - The current DP210 is mounted/plumbed on the pressure side of the lift pump, but the NEW DP243 unit needs to be mounted/plumbed into the suction side of the lift pump. - DO NOT Mount this new unit on the engine. This unit should be mounted on the frame rail. - The 243210DAVK7-07 replacement kit includes everything you need, except the fuel hose. - You will need to supply the fuel lines from the fuel tank to the DP243 and from the DP243 to the lift pump. - The NEW DP243 needs to be mounted between the fuel tank and the lift pump.