2004.5-2005 GM Duramax 6.6L LLY Skid Plates

If you and your Sierra or Silverado are headed for some serious off-road adventures, you're going to want to keep it's vital powertrain and driveline components protected at all costs. Here at Alligator selection, we carry a variety of aftermarket skid plates for the 2004.5-2005 GM 6.6L Duramax LLY trucks that shield it's vulnerable underside from any obstacles in your way. Most of these skids help prevent damage to the critical components on the underside of your truck including the oil pan, transfer case, and transmission. Ensure your truck makes it home in one piece by checking out the various skids we offer for you custom GM 2500/3500 build. GM Duramax Fitments: 2004, 2005 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.