The GM 25841843 Lower Radiator Hose is a direct replacement for the aging lower coolant hose on your 2006-2010 GM 6.6L Duramax. Over time the factory hoses can become brittle and cause leaks due to age and countless heat cycles. Choose OE GM / ACDelco products to ensure a perfect fit and finish.
Genuine OE Replacement
Lower Radiator Hose For LBZ/LMM Engines
ACDelco Part# 26570X