Code named LB7, the 2001-2004 model year Duramax is a light-duty truck that made tremendous waves when GM released it to the market in 2001. Over time, the truck proved to be reliable and capable of unbelievable performance potential. With a great powerplant and the Allison 5 speed automatic transmission, your Duramax won't require many modifications before it puts you back into your seat. To help you reach that point, we at HeavyWeight Diesel have picked up the best products on the market; whether you need engine parts, exhaust systems, fuel upgrades, lift kits, or anything else, we have it.
Apart from performance parts, we also sell all the aesthetic mods and accessories that enhance the look of your LB7 Duramax.
Before you purchase anything, make sure that the part you wish to buy is correct for your model year truck. If you need assistance, our technicians are available to help!