Prime-Line D 1563 Sliding Patio Door Roller Assembly is a replacement patio-door roller with a 1-1/2-in steel ball-bearing wheel and plain-back housing. Prime-Line lists the assembly for Air Control, Howmet, Krestmark and other compatible sliding patio-door systems.

The housing uses a 1/4-20 threaded mounting hole at the rear and also provides an optional 10-32 threaded top mounting hole. For replacement hardware, compare roller diameter, housing shape and mounting-hole position with the original assembly before ordering.