K77-37334 Motor 1/8 H.P., 12 Vdc

LiftMaster K77-37334 — Motor 1/8 H.P., 12 Vdc. Genuine LiftMaster replacement part, fits RSW12U, RSW12UL, RSW12VDC.

When a motor fails the operator hums without moving, trips the breaker, or cuts out on thermal overload. Check the capacitor first — a failed capacitor gives the same symptoms for a fraction of the cost.

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.