6-4-6331 Bearing Plate Yoke PAI 6849CROSS REFERENCE: 38MU39306 38MU39321 171MU52P49 6 4 6331 2104 646331 APPLICATION: 1700 1710 Series Multiple Use Application. BRAND: PAI 6849 6 4 6331 Bearing Plate Yoke PAI 6849. Replacement truck parts and aftermarket truck parts. Maintains driveline alignment and supports stable rotational action. 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