Mack/Volvo 20722656 Vibration Damper PAI 871018OEMCROSS REFERENCE: 20722656 APPLICATION: Mack MP7 VolvoD11 Multiple Use Application. DETAILS: Genuine Part BRAND: PAI 871018OEM Mack Volvo 20722656 Vibration Damper PAI 871018OEM intended for truck parts and engine replacement. Provides consistent vibration control and dependable service. 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