Caterpillar 1W1695 Fuel Pump PAI 380159CROSS REFERENCE: 1W1695 2794980 279 4980 APPLICATION: Caterpillar 3304 3306 Multiple Use Application. BRAND: PAI 380159 Caterpillar 1W1695 Fuel Pump PAI 380159. USA truck parts and replacement truck parts. Maintains fuel flow stability and supports consistent engine operation. 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