Jeep Wrangler YJ replacement AC blower motor assembly for 1987-1995 models. This is a complete replacement with all brand-new parts including a blower motor, blower wheel, blower housing, venturi, motor clamp, and blower wheel clamp. This setup may not work on some aftermarket applications. The housing is P/N BH-4500 from American Plasti Plate. The square hole opening is 4" x 2.75" tall. Measure the hole on your setup before purchasing to be sure it fits. We include wiring directions for this assembly, if your wires do not match the picture it will still work without any modifications.