Our factory proudly offers the Cummins Engine Part Compressor Repair Kit 4089686 designed specifically for Cummins 4B3.9/B4.5/B5.9/B6.7/ISB/QSB4.5 engines. This kit includes all necessary components for repairing the compressor of your engine and restoring it to optimal performance levels. Our expert team has ensured the highest quality of materials and construction, so you can trust in the durability and reliability of our products. As a factory direct supplier, we offer competitive pricing and fast shipping, so you can get your engine back in operation as soon as possible. Trust in our expertise and experience to keep your Cummins engine running smoothly with the Compressor Repair Kit 4089686.