Merchant Automotive provides industry-leading customer service and support. Our staff of professionals has intimate knowledge in all the Duramax/Allison platforms we represent and are dedicated to 100% customer satisfaction. Merchant Automotive provides you with highly specific technical information not found anywhere else. Many of our products are custom designed and manufactured in-house to maximize the performance and reliability of your truck. The emphasis on product design and specialized manufacturing means lower pricing on products not found at other companies