Mack CH/CX 4379-RD216550 Air Conditioning Evaporator PAI 804062CROSS REFERENCE: 4379 RD216550 4379 RD215880 4379 RD215881 APPLICATION: Mack CH CX Multiple Use Application. BRAND: PAI 804062 Mack 4379 RD216550 Air Conditioning Evaporator PAI 804062 supported by heavy duty parts and diesel truck parts. Provides reliable heat absorption for stable cab cooling. All components are proudly manufactured in the U. S. A. by PAI Industries Inc., an ISO9001 certified company with over 50 years of experience in the heavy