3558018 New Air Brake Compressor Fits For Cummins Diesel Engine 6CT – 8.3L. For Cummins Diesel Engine 6CT – 8.3L. Bad weather or peak season will lead a delay. Please send item back in original package (new and un-used, accessories included). We strive to provide 5-star customer service! We will work out a solution and get back to you as soon as possible. Your understanding is highly appreciated, thank you!