Add to Cart Caterpillar 3100 Series Engine Fuel Injection Pump 128-2050 PAI Industries MSRP: Now: $643.58 Was: Caterpillar 3100 Series Engine Fuel Injection Pump 128-2050 *Please Verify Your OEM Number Before Purchase Fuel Injection Pump Fits Trucks With Caterpillar 3100 Series Engines OE Reference Number: 128-2050 Sold Individually Quality Made... MSRP: Now: $643.58 Was: Add to Cart