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K77-37857 is a "Gray" Cover Replacement Kit. Compatible with various LiftMaster® RSL12 Residential Slide Gate Operators and Perimeter Access Solutions. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility.

This replacement kit is compatible with the following models: RSL12U, RSL12UL

Please allow extended lead time due to manufacturing and shipping for all made to order LiftMaster® parts and/or service kits.

Genuine LiftMaster^® replacement part.