Evaporator Fre SVCE (501F, 601F, 601F-2)
  501F    Use Starting With #1004775 and From
          #960170 to #960319, and From
          #996400 to 996574, and From
          Prior to #960170, and From #960319
          to #996400, and From #996574 to
          #1004775 See 7015849.
  601F    Use Regardless of Serial Number.
  601F-2  Use Prior to Serial #2600000.
          Starting With #2600000 See 7002527