Merchant Automotive provides industry leading customer service and support. Merchant's staff of professionals has intimate knowledge in all the Duramax/Allison platforms they represent and are dedicated to 100% customer satisfaction. Merchant Automotive provides you with highly specific technical information not found anywhere else. Many of MA's 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 that MA can offer you low pricing on products not found at other companies.