Mack 1MR4336P2 Wiper Control Switch PAI 804186CROSS REFERENCE: 1MR4336P2 20801117 APPLICATION: Mack CHN CV CX CXN Multiple Use Application. BRAND: PAI 804186 Mack 1MR4336P2 Wiper Control Switch PAI 804186 supported by diesel truck parts and truck repair parts. Provides precise wiper control to ensure consistent safe operation. 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 duty truck parts