PACCAR Fuel Line Adapter Kit for Trucks without Frame Mounted Water Separator FASSWhen installing a FASS Industrial Series System on a late model Paccar MX 13 engine without a frame mounted water separator, our new PAK2001 Kit allows the FASS return and feed lines to be easily adapted to the factory fuel module. This kit includes fittings to adapt the FASS return and feed lines while retaining the factory fuel module fittingsand adapting the factory suction line to the FASS. The PAK 2001 Kit also includes a new spring and PRF to