Sinister Diesel Radiator Pipe 11-16 GM 6.6L Duramax LML AM-8558 The cooler utilizes larger than

The cooler utilizes larger than OE diameter tubes with a thicker wall to reduce clogging

Recent global supply and facility changes have resulted in EBC needing to move with those changes

or not going in at all

5" in front and 1-3" in the rear depending on your current configuration and what size blocks you select

long-lasting performance in harsh environments

Sinister Diesel Radiator Pipe 11-16 GM 6.6L Duramax LML AM-8558 The cooler utilizes larger thanReplace 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.