One of the best things you can do for your 2001-2004 GM 6.6L Duramax LB7 is replacing the factory tie rods for a smoother steering feel each time you set off for adventure. Tie rods are a great way to eliminate steering wheel wandering, prevent uneven tire wear, and rid your truck of those strange noises when you're making a turn. Check out our entire selection of GM 2500/3500 tie rods to get your Sierra or Silverado performing and looking the way you want, right here at Alligator Performance. GM Duramax Fitments: 2001, 2002, 2003, 2004 GM 6.6L Duramax.Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali.Some exceptions apply, please see individual product pages for specific fitments.