LiftMaster 45ACT Receiver Board — OEM 315MHz Logic Board Replacement for AC Chain & Belt Drive Openers | GarageDoorProject | US Vendor

OEM 45ACT receiver/logic board replacement for LiftMaster garage door openers operating at 315MHz. Designed to bring your opener back to factory performance, this professional-grade board is a direct-fit solution for AC chain drive and belt drive models. Key features: - Security+ 2.0® encryption for improved protection against unauthorized access. - Yellow learn button for fast, straightforward setup—ideal for DIY installation or professional service. - Compatible with LiftMaster and Chamberlain AC Chain Drive and Belt Drive openers manufactured after 2011. - Built from durable, high-quality components to restore reliable, long-lasting operation. - Works with multiple models including 8557, 8155, 8355, 8075 and more. A 100% OEM replacement offered by a US vendor, ready to replace a faulty logic/receiver board and get your garage opener running smoothly again.