Water Pump FWP1989 First Line. Part Number FWP1989. FIRST LINE FWP1989. Type Water Pump, engine cooling. PEUGEOT BOXER Bus (244, Z_) 2.2 HDi Bus Diesel 12/2001 06/2006 FWD 8 101 74. CITROËN RELAY I Bus (244, Z_) 2.2 HDi Bus Diesel 04/2002 06/2006 FWD 8 101 74.