2004 NEWMAR MOUNTAIN AIRE MOTORHOME USED RV PARTS FOR SALE. VIAONE RV IS NOW PARTING OUT THIS UNIT. 400 HP ISL CUMMINS ENGINE, ALLISON AUTOMATIC TRANSMISSION, ALUMINUM WHEELS, CARGO DOORS, CHASSIS PARTS, FRONT MOUNTAIN AIRE BUMPER, FIBERGLASS REAR CAP, AWNINGS, AXLE'S, SUSPENSION, AND MORE. CALL VISONE RV AT 606-843-9889