Fits: 2006 thru 2010 Chevy Silverado/GMC Sierra 2500HD/3500HD LBZ/LMM Duramax Diesel

Expertly designed to provide a leak-proof connection between the lower hose and radiator, the Duramax Lower Radiator Hose O-Ring(s) guarantee a hassle-free replacement. GM made these hoses with 2 different sized O-rings, this kit includes the two different sized o-rings, ensuring you have the perfect fit for your 2006-2010 LBZ/LMM model. Say goodbye to unnecessary hose replacements and hello to a more efficient and cost-effective solution.