Mack/Volvo 20792248 Crankshaft Damper PAI 871020CROSS REFERENCE: 20792248 23340969 APPLICATION: Mack MP8 Volvo D13 Multiple Use Application. BRAND: PAI 871020 Mack Volvo 20792248 Crankshaft Damper PAI 871020 intended for heavy duty engine parts and aftermarket truck parts. Ensures reliable vibration control and durability. 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