Norcold Door Hinge Reversal 69021827 (fits the N3104, N4104, N4141, N3150, N4150) This door hinge kit reverses a left hand hinge set up to a right hand hinge set up, or vice versa. It's designed to fit the following Norcold models: N3104 N4104 N3141 N4141 N3150 N4150