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SKU: MMHOSE-DMAX-17BK | UPC: 840197701676
Mishimoto 17-19 Chevrolet Duramax 6.6L L5P Black Silicone Radiator Hose Kit
Replace factory rubber and plastic hoses prone to cracking from heat cycles and high miles with this Mishimoto Silicone Radiator Hose Kit for 2017-2019 Chevrolet Silverado and GMC Sierra 2500HD 3500HD models equipped with the 6.6L L5P Duramax diesel engine. Five-layer silicone construction with embedded fibers and aluminum junctions delivers durable coolant flow under extreme conditions for reliable performance on job sites or long hauls. Includes stainless-steel clamps and O-ring for complete leak-free installation.
Key Features
- 5-Ply Silicone Hoses: Multi-layer design with heat-resistant fibers handles thousands of heat cycles without hardening or leaking unlike factory materials
- Aluminum Hose Junctions: Strong metal connections resist pressure and vibration for long-term durability in heavy-duty use
- Stainless-Steel Clamps: Corrosion-resistant hardware secures hoses tightly for immediate leak-free operation
- Replacement O-Ring: Fits lower hose quick-disconnect ensuring proper sealing on quick-connect fittings
- Mishimoto Lifetime Warranty: Backed by engineering tested for Duramax demands providing confidence for years of service
Product Notes
- Direct replacement kit includes all hoses junctions clamps and O-ring for plug-and-play upgrade
- Available in Black Blue or Red to match engine bay preferences
- Engineered for 6.6L L5P Duramax diesel only verify fitment before purchase
Installation Notes
- Professional installation recommended.
- Drain coolant before removal basic hand tools required for 1-2 hour install
- Compatible with OEM hardware torque clamps to factory specs
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2019 | Chevrolet | Silverado 2500 HD | High Country |
| 2017-2019 | Chevrolet | Silverado 2500 HD | LT |
| 2017-2019 | Chevrolet | Silverado 2500 HD | LTZ |
| 2017-2019 | Chevrolet | Silverado 2500 HD | WT |
| 2017-2019 | Chevrolet | Silverado 3500 HD | High Country |
| 2017-2019 | Chevrolet | Silverado 3500 HD | LTZ |
| 2017-2019 | Chevrolet | Silverado 3500 HD | WT |
| 2017-2019 | GMC | Sierra 2500 HD | Base |
| 2017-2019 | GMC | Sierra 2500 HD | Denali |
| 2017-2019 | GMC | Sierra 2500 HD | SLE |
| 2017-2019 | GMC | Sierra 2500 HD | SLT |
| 2017-2019 | GMC | Sierra 3500 HD | Denali |
| 2017-2019 | GMC | Sierra 3500 HD | SLE |
| 2017-2019 | GMC | Sierra 3500 HD | SLT |
Why Choose Mishimoto?
- Proven leader in automotive cooling upgrades trusted by diesel enthusiasts worldwide
- Direct-fit designs tested on real vehicles for seamless integration
- Precision-molded components withstand Duramax heat pressure and boost levels
Frequently Asked Questions
-
Q: Will this kit fit my 2018 Chevy Silverado 2500HD with L5P Duramax?
A: Yes it fits all listed 2017-2019 Silverado 2500HD 3500HD and Sierra models with 6.6L L5P diesel engine direct OEM replacement -
Q: What materials are used in the hoses?
A: Five layers of high-temperature silicone reinforced with fibers plus aluminum junctions for maximum strength and flexibility -
Q: What warranty comes with this hose kit?
A: Mishimoto Lifetime Warranty covers defects in materials and workmanship for as long as you own the vehicle
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed 20 x 12 x 6 inches
- Weight: 4.41 lbs
Fabrication
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Hoses
Performance hoses for cooling, fuel, vacuum, and boost applications are stocked at Black Ops Auto Works. Shop silicone radiator hoses, braided fuel hoses, PTFE hose, vacuum line, heater hose, and turbo boost hose kits for import, domestic, and European platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 569 hose SKUs spanning cooling, fuel, and forced induction plumbing. What This Category Covers The Hoses category covers flexible plumbing used to move coolant, fuel, air, vacuum signal, and crankcase gases around the engine bay. Coverage spans OE-style rubber replacement hose through silicone and PTFE upgrades built for boosted, high-temperature, and race applications. Categories Included Silicone radiator and coolant hose kits, braided and PTFE fuel hose, vacuum and boost hose, heater hose, and turbo inlet and outlet hose. Material options include reinforced silicone, EP...
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Mishimoto
Mishimoto performance parts for Jeep, RAM, Dodge, Chevy, Ford, Toyota, Honda, BMW, and Nissan platforms are stocked at Black Ops Auto Works. Shop Mishimoto radiators, intercoolers, oil coolers, transmission coolers, baffled catch cans, silicone hose kits, thermostats, water pumps, cold air intakes, wheel spacers, and fabrication fittings for Hellcat, Trackhawk, HEMI, Cummins diesel, EcoBoost, and Coyote engine builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 2,065 Mishimoto SKUs across cooling, intake, oil control, and fabrication categories. What This Brand Covers Mishimoto built its name on performance cooling and has grown into a full engine bay parts brand. This collection spans direct fit radiators, universal intercoolers, oil and transmission coolers, catch cans, silicone hoses, thermostats, water pumps, wheel accessories, and small fabrication parts like fittings a...
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