Browse Caterpillar C13 ACERT Engine Sensors for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 6 listings. Caterpillar C13 ACERT Engine Sensor pricing ranges from $12 to $115 based on recent marketplace data. Filter by condition, price, or year to find the right Caterpillar C13 ACERT Engine Sensor.