Mack/Volvo/D12 8170959 Exhaust Manifold Gasket PAI 831059 (Pack6)CROSS REFERENCE: 8170959 APPLICATION: Mack Volvo D12 Multiple Use Application. BRAND: PAI 831059 Mack Volvo 8170959 Exhaust Manifold Gasket PAI 831059 supported by diesel performance parts and truck engine parts. Provides stable manifold sealing 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 parts industry.