Rear Housing Extension for Various Jeep Vehicles w/ NP231 or NP242 T.C. Crown AutomotiveRear Transfer Case Housing Extension for Select Jeep YJ Wrangler, XJ Cherokee, MJ Comanche Vehicles w NP231 or NP242 Transfer Case Features and Benefits: 12 Month Warranty Direct Replacement Rear Use Existing Hardware for Models w NP231 Transfer Case Details: Material: Aluminum Finish: Unpainted Location: Rear Hardware Included: Use Existing Hardware Application: 1987 1992 Jeep MJ Comanche w NP231 Transfer Case None; 1987 1993 Jeep XJ Cherokee w NP231