Mack 20QX415M Door Handle PAI 803944CROSS REFERENCE: 20QX415M 25192012 APPLICATION: Mack LE LEU Multiple Use Application. DETAILS: Exterior Door Handle Right and Left Hand BRAND: PAI 803944 Mack 20QX415M Door Handle PAI 803944. Truck repair parts and heavy truck parts. Supports proper door alignment and facilitates consistent exterior handle function. All components are proudly manufactured in the U. S. A. by PAI Industries Inc., an ISO9001 certified company with over 50 years of