Four Seasons 74858 Vacuum Closes Non-Bypass Heater Valve

Four Seasons products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Four Seasons. Features- Temperature tested to 270 degrees F | Vacuum controlled | Application specific design | Vacuum controlled. Buyers Guide- Ford E100 Van (89-87); E150 Van (89-84); E250 Van (89-84); E300 Van (88-86); E350 SERIES VAN (89-84); Expedition (06-03); Explorer (10-97); Explorer Sport (03-01); Explorer Sport Trac (10-01); Ranger (11-05); Lincoln Navigator (06-03);