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The LiftMaster K81-860502 is a 2-position replacement terminal block designed for secure wire connections in LiftMaster commercial gate operators
and auto-reverse functions
Versatile Application: This loop detector can be used for exit loops
Simple Installation: Includes a 4-pin connector and cable for quick and easy setup
LiftMaster K75-19977 Arm Kit for Commercial Slide and Door Operators lm-la412 The LiftMaster K81-860502 is aLiftMaster K75 19977 Arm Kit for Commercial Slide and Door Operators The LiftMaster K75 19977 Arm Kit is a complete OEM replacement assembly engineered for commercial slide gates and jackshaft door operators. It includes the arm mechanism, spring, chain, mounting hardware, and safety cable needed for a direct, bolt on swap. Designed to match LiftMaster factory specifications, it restores smooth, precise arm movement and maintains operator performance
