Shop used Cummins ISB 6.7L Engine Air Compressors on MyLittleSalesman.com . Compare active listings with prices from $600 to $850. Sellers include DTI Truck Parts, USA Trade & Exports, Tim Jordan's Truck Parts, and more. Filter by condition, price, or year to find the Cummins ISB 6.7L Air Compressor that fits your job.