LiftMaster Receiver Board 45ACT Replacement Part Professional-Grade Logic Board for AC Chain Drive & Belt Drive Openers 315MHz GarageDoorProject | 100% OEM | US Vendor

The LiftMaster receiver board 45ACT replacement part is a professional-grade circuit logic board designed specifically for AC Chain Drive and Belt Drive garage door openers operating at 315MHz. This receiver circuit board restores reliable garage door control and enhanced garage security with Security+ 2.0 technology, ensuring your system is protected against unauthorized access. Compatible with LiftMaster and Chamberlain garage openers manufactured after 2011, this logic board replacement delivers precise performance for models like 8557, 8155, 8355, and 8075. Installing this easy installation receiver with its yellow learn button guarantees a quick upgrade to your existing garage door control board, backed by 100% OEM quality from GarageDoorProject.Key features include:- Security+ 2.0 technology ? enhanced garage security through advanced encryption- Wide compatibility ? works seamlessly with multiple LiftMaster parts and Chamberlain garage opener models- Easy installation receiver design ? simplifies setup with a yellow learn button for fast programming- Durable construction ? ensures long-term reliability and consistent opener performance- OEM manufacturing ? guarantees exact fit and factory-level quality assuranceTechnical specifications:- Model Number: 45ACT- Frequency: 315MHz- Technology: Security+ 2.0- Learn Button: Yellow- Alternative Part Numbers: 045ACT, 1D7675, 041D7675, 041D7656, 001D7675, 41D7656Compatibility details:- LiftMaster models including 8557 (3/4 HP AC Belt Drive), 8155 (1/2 HP AC Belt Drive), 8355 (1/2 HP AC Belt Drive), and 8075 (1/2 HP AC Chain Drive)- Also fits discontinued models such as the 8365 and 8587 AC Chain Drive openersThis receiver circuit board replacement is engineered to restore full functionality to your garage door opener system quickly and efficiently. Its advanced Security+ 2.0 technology protects your home by preventing code theft or hacking attempts, giving you peace of mind every time you use your garage door. The yellow learn button streamlines the installation process, allowing even non-professionals to replace their logic board without hassle.GarageDoorProject provides this LiftMaster receiver board as a trusted OEM product with new production dates for US vendors, ensuring authenticity and quality. Elevate your garage's security and operational reliability with this dependable replacement part designed to maintain optimal performance for years. Whether you have a chain drive opener or belt drive opener, this receiver circuit board is the perfect solution to keep your garage door operating smoothly.