Ensure reliable cooling system performance with the Mishimoto Silicone Coolant Hose Kit designed specifically for your 2017-2019 Chevrolet Silverado and GMC Sierra 2500/3500 HD equipped with the 6.6L L5P Duramax engine. This comprehensive kit replaces the factory plastic hoses with durable, multi-layer silicone hoses featuring embedded heat-resistant fibers, providing superior resistance to extreme temperatures, high pressure, and prolonged heat cycles. The all-aluminum hose junctions further enhance durability and prevent leaks, making this upgrade ideal for demanding driving conditions or heavy-duty towing. Each kit includes stainless-steel clamps and a replacement O-ring for the lower radiator hose's quick-disconnect fitting, ensuring a seamless, leak-free installation that maintains optimal engine temperature and performance. The vibrant blue finish adds a touch of style while offering long-lasting resilience against engine bay heat and environmental factors. Whether you're restoring your truck or upgrading for increased reliability, this Mishimoto radiator hose kit offers a significant upgrade over OEM plastic components, backed by Mishimoto's lifetime warranty for peace of mind. Designed for easy installation, this kit is suitable for professional or DIY mechanics seeking to improve their vehicle’s cooling system with high-quality, long-lasting parts. Maintain peak performance and prevent costly engine damage with this premium silicone radiator hose upgrade tailored for your Duramax-powered Chevrolet or GMC truck.
Features:
- Replaces stock plastic connectors with durable aluminum for enhanced heat and pressure resistance
- Constructed from five layers of silicone with embedded heat-resistant fibers for maximum durability
- Includes a new lower radiator hose O-ring for a leak-free installation
- Available in Blue to match or complement vehicle aesthetics
- Backed by Mishimoto's lifetime warranty for reliable performance
Fitment:
2017 Chevrolet Silverado 2500 HD High Country
2017 Chevrolet Silverado 2500 HD LT
2017 Chevrolet Silverado 2500 HD LTZ
2017 Chevrolet Silverado 2500 HD WT
2017 Chevrolet Silverado 3500 HD High Country
2017 Chevrolet Silverado 3500 HD LT
2017 Chevrolet Silverado 3500 HD LTZ
2017 Chevrolet Silverado 3500 HD WT
2017 GMC Sierra 2500 HD Base
2017 GMC Sierra 2500 HD Denali
2017 GMC Sierra 2500 HD SLE
2017 GMC Sierra 2500 HD SLT
2017 GMC Sierra 3500 HD Base
2017 GMC Sierra 3500 HD Denali
2017 GMC Sierra 3500 HD SLE
2017 GMC Sierra 3500 HD SLT
2018 Chevrolet Silverado 2500 HD High Country
2018 Chevrolet Silverado 2500 HD LT
2018 Chevrolet Silverado 2500 HD LTZ
2018 Chevrolet Silverado 2500 HD WT
2018 Chevrolet Silverado 3500 HD High Country
2018 Chevrolet Silverado 3500 HD LT
2018 Chevrolet Silverado 3500 HD LTZ
2018 Chevrolet Silverado 3500 HD WT
2018 GMC Sierra 2500 HD Base
2018 GMC Sierra 2500 HD Denali
2018 GMC Sierra 2500 HD SLE
2018 GMC Sierra 2500 HD SLT
2018 GMC Sierra 3500 HD Base
2018 GMC Sierra 3500 HD Denali
2018 GMC Sierra 3500 HD SLE
2018 GMC Sierra 3500 HD SLT
2019 Chevrolet Silverado 2500 HD High Country
2019 Chevrolet Silverado 2500 HD LT
2019 Chevrolet Silverado 2500 HD LTZ
2019 Chevrolet Silverado 2500 HD WT
2019 Chevrolet Silverado 3500 HD High Country
2019 Chevrolet Silverado 3500 HD LT
2019 Chevrolet Silverado 3500 HD LTZ
2019 Chevrolet Silverado 3500 HD WT
2019 GMC Sierra 2500 HD Base
2019 GMC Sierra 2500 HD Denali
2019 GMC Sierra 2500 HD SLE
2019 GMC Sierra 2500 HD SLT
2019 GMC Sierra 3500 HD Base
2019 GMC Sierra 3500 HD Denali
2019 GMC Sierra 3500 HD SLE
2019 GMC Sierra 3500 HD SLT
