Installation Instructions are NOT included with this Item. This offering is for an Haier Air Conditioner AC Fan Bearing that is specifically for the following devices: HSU18VHKG, HSU109VHGG, HSU09VHJDBG, HSU09XCKG This bearing connects to one end of the cross flow fan to help the cross flow fan turn. Dont see your model number? Send us a message as we are happy to help!