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 03-18 5.9/6.7L Cummins can fail over time creating a weak point on your Cummins 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.

IMPORTANT NOTES:

• This radiator pipe will not fit 2013-2015 trucks with dual radiators.
• This radiator pipe will not fit dual alternator applications