Browse Caterpillar 3126 Fuel Injection Pumps for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 16 listings. Caterpillar 3126 Fuel Injection Pump pricing ranges from $150 to $1,000 based on recent marketplace data. Filter by condition, price, or year to find the right Caterpillar 3126 Fuel Injection Pump.