PartsSquare Automatic HVAC Blower Motor Resistor RU563 1248212151A Fits for 91 92 93 MERCEDES-BENZ 300CE 300D 300E 300SE 300SL 300TE 90 91 350SDL 420SEL 92 93 300SD 400E 500E 91 300SEL 350SD 92 400SE Replaces dealer part numbers of blower motor resistor: RU563 1248212151 RU563 1248212151A 1248212151 Blower Motor Resistor Fitting for the following years and models : 1991 MERCEDES-BENZ 300SEL 350SD & 1992 MERCEDES-BENZ 400SE & 1993 MERCEDES-BENZ 400SEL & 1991 1992 1993 MERCEDES-BENZ 300CE MERCEDES-BENZ 300CE 300D 300E 300SE 300SL 300TE & 1990 1991 MERCEDES-BENZ 350SDL 420SEL & 1992 1993 MERCEDES-BENZ 300SD 400E 500E Direct Replacement and Ready for Install Straight out of the box. Not remanufactured or rebuilt, 100% Brand New and tested prior to leaving the factory. High Quality Replacement Part, have no-worry 12 months warranty. Always wear safety glasses when working on your vehicle. Wear other personal protective equipment when necessary, for example, latex gloves or closed toe shoes. cleaning the blower motor and AC filter before replacing new blower motor resistor is highly recommended. If the new blower motor resistor didn&#039;t work after correct replacement, your blower motor maybe had worked abnormally before your replacement. Remove the negative battery terminal. Locate the blower motor resistor on the passenger side under the dash board. It is mounted to the the blower housing near the blower motor. Disconnect the electrical connector to the blower motor resistor. Remove the screws or bolts to the blower motor resistor and remove the resistor. Installation is the reverse of the removal. Not remanufactured or rebuilt. High Quality Replacement Part. Exact Fit for easy installation. 100% Brand New and tested prior to leaving the factory. High Output Exact Fit