Mack 62QT422 Wiper Blade Arm PAI 5469CROSS REFERENCE: 82715999 62QT433 62QT433A 8214 9112 62QT422 62QT420 82149112 APPLICATION: MR Models Multiple Use Application. DETAILS: Wiper Blade Arm Assembly Right Hand and Left Hand MR Models with Electric Wipers BRAND: PAI 5469 Mack 62QT422 Wiper Blade Arm PAI 5469. Heavy duty and diesel truck. Ensures stable arm alignment and supports consistent windshield clearing function. All components are proudly manufactured in the U. S. A. by PAI