Sinister Diesel Radiator Pipe 11-16 GM 6.6L Duramax LML

Replace your failed or failing upper radiator hose with this abrasion and crack resistant 6061 aluminum radiator pipe from Sinister Diesel. The factory hose in your 2011-2016 GM LML Duramax can fail over time creating a weak point on your Duramax engine. With this pipe's aluminum construction and 4-ply silicone boots, you can rest easy knowing you have many miles and years of reliability to come.