K77-37683 Plastic Standoffs for main control board (10 per bag)

LiftMaster K77-37683 — Plastic Standoffs for main control board (10 per bag). Genuine LiftMaster replacement part, fits SL3000U, SL3000UL, SL3000501U, CSW200U, CSW200UL, CSW200501U, SL595U, SL595UL.

The logic board is the operator's brain — it reads the limits, the safety inputs and the radio, then drives the motor. An operator that runs one direction only, ignores the remote, or resets mid-cycle is usually reporting a board fault.

Not sure this is the right part? Send us the model number from your operator’s data plate and a photo of the part you are replacing — parts@gatehousesupplies.com or 866-965-5599. We install and service this equipment and would rather confirm it than have you order twice.