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Wehrli upper coolant pipe for 2011–2016 6.6L LML Duramax swaps the stock rubber upper hose for a powder coated aluminum pipe in WCFab Red. It’s designed to mate with the OEM GM radiator and ships with silicone boots and T-bolt clamps to ensure a secure connection. Be aware that some aftermarket radiators may have fitment conflicts.
Wehrli 11-16 Chevrolet 6.6L LML Duramax Upper Coolant Pipe - WCFab Red
