Mack 9538-2495P Fuel Cap PAI 8396CROSS REFERENCE: 9538 2495P APPLICATION: Mack Multiple Use Application. DETAILS: Fuel Cap Non Vented Locking 3 in 8 NPSL BRAND: PAI 8396 Mack 9538 2495P Fuel Cap PAI 8396. Heavy duty parts and heavy duty use. Maintains tight tank closure and reliable diesel fuel system function. 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