Light Diff/Fan Shroud Repl Comp SVCE
          (501R, 501F)
  501R    Part Is NLA
  501F    Prior to #M/P1004775 Except Between
          #M960170-M960319 And #M996400-M996574,
          Part Is NLA
          Starting With #M/P1004775 And Between
          #M960170-M960319 And #M996400-M996574
          See 7021524 (for diffuser) or 7017969
          (For Fan Guard)