1988 Ford E-150 Econoline Club Wagon 45 Degree Tubes; From 1/88; w/ Standard Heater Position: Front;. Part Type: HVAC Heater Core. 1989 Ford E-150 Econoline Club Wagon w/ AC Position: Front;. 1990 Ford E-150 Econoline Club Wagon w/o Rear Htr Position: Front;.