LiftMaster E-Box Assembly (Q403) | LIF-K74-50278 sp-6820 and the personalized key ensures

and the personalized key ensures its uniqueness for better safety

Sleek Metal compensated reader housing for mounting to metal door or window frames

Dimensions: Height = 5

U-Link A single communication platform for all types of control units and receivers

LiftMaster Wire Harness Kit (CSW Motor

LiftMaster E-Box Assembly (Q403) | LIF-K74-50278 sp-6820 and the personalized key ensuresLiftMaster E Box Assembly (Q403) LIF K74 50278 This is a replacement Electrical Box Assembly. For use with various LiftMaster Swing and Slide Gate Operators. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as LiftMaster Q402 LiftMaster Q403