Mishimoto Chevrolet Express 2500 Radiator Coolant Hose Kit - Red (2011-2015). This silicone coolant hose kit is a direct-fit replacement for the 6.6L Duramax cooling lines, offering improved durability and reliable performance for enthusiasts who demand long-term service from their cooling system.

Built from high-grade silicone with five layers of heat-resistant embedded fibers, this Mishimoto kit raises pressure and temperature tolerance over stock rubber hoses. CNC-machined billet quick-disconnect ends provide a direct factory fit so no cutting is required during installation. A 6061 aluminum coupler mates the lower radiator hose to the factory radiator and included T-bolt clamps ensure a secure, leak-resistant seal. The kit is designed to perform on both stock and modified trucks and pairs well with Mishimoto aluminum performance radiators. Backed by Mishimoto’s signature lifetime warranty and listed under part MMHOSE-DMAX-11RD, this red kit is aimed at owners of 2011–2015 Chevrolet Express 2500 models equipped with the 6.6L Duramax.

Features

• High-grade silicone construction with five-layer heat-resistant reinforcement
• CNC-machined billet quick-disconnect ends for factory-fit installation
• 6061 aluminum coupler for lower radiator hose connection
• T-bolt clamps included for secure sealing
• Fits 2011–2015 Chevrolet Express 2500 6.6L Duramax platforms (part MMHOSE-DMAX-11RD)

If you have questions or need fitment confirmation, call us directly — we’re happy to help. We offer installation and customization services at our two locations in Austin, Texas and the Los Angeles, California area: 512-982-9393 (TX) and 562-981-6800 (CA). If you’re thinking about purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov