LiftMaster Chamberlain Sears Craftsman Belt Drive Garage Door Opener Transformer and Harness. Transformer/Harness 120V/80VA/18V Transformer and harness for LiftMaster belt drive model 3850. For Chamberlain belt drive models ...

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LiftMaster Chamberlain Sears Craftsman Belt Drive Garage Door Opener Transformer and Harness. Transformer/Harness 120V/80VA/18V Transformer and harness for LiftMaster belt drive model 3850. For Chamberlain belt drive models HD900D and WD962KD.

  • This is a replacement Transformer and Wire Harness Kit. For use with various LiftMaster and Chamberlain Belt Drive Garage Door Openers.
  • Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.
  • Genuine LiftMaster replacement part.