Wayne, Bill and Harvey This info thanks to Gary Quayman, out of my files. "The part is: Tekonsha Part No. 5605 (Pkg of 2) Fits or Replaces: Hayes 12 x 2 (That's us) Fayette 12 x 2 TrailerPak 501 TrailerPak 502 Tow Craft 1105-100-032 1105-100-034 I paid $5.89 for the pair." Good Luck Doug