This part is compatible with the following #'s : 3800P, 3800PLD, 3900, 8500, 41A6408
041A6408 is a absolute encoder and travel module replacement kit. This kit is compatible with various LiftMaster® wall mounted garage door openers. This replacement kit includes; (1) travel module and (1) wire harness. Check the manual for your specific model number before ordering to ensure compatibility.
Genuine LiftMaster® replacement part.