Cat fuel system A&S Fuel Injection System Company is a global proffesional supplier of fuel injectors and fuel pumps. These products are widely applied in a variety of power equipment, including diesel engine, marine application, vehicle, generator set, air compressor, etc. Cat fuel pumps we sell: Caterpillar fuel pump 4M-4431, Caterpillar fuel pump 4N-5339, Caterpillar fuel pump 4M-5890, Caterpillar fuel pump 4W-4458, Caterpillar fuel pump 4W-4459, Caterpillar fuel pump 5L-9257, Caterpillar fuel pump 5L-5982, Caterpillar fuel pump 5L-5993, Caterpillar fuel pump 5L-6063, Caterpillar fuel pump 5L-6153, Caterpillar fuel pump 5N-8202, Caterpillar fuel pump 5N-3804, Caterpillar fuel pump 5H-2709, Caterpillar fuel pump 5S-1558, Caterpillar fuel pump 5S-3347, Caterpillar fuel pump 6I-1342, Caterpillar fuel pump 6I-1345, Caterpillar fuel pump 6L-2947, Caterpillar fuel pump 6L-3526, Caterpillar fuel pump 6T-2704, Caterpillar fuel pump 6P-7360, Caterpillar fuel pump 7C-6498, Caterpillar 418-8820 Injector,