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SKU: MMHOSE-DMAX-17BL | UPC: 840197701683
Mishimoto 2017-2019 Chevrolet Duramax 6.6L L5P Blue Silicone Radiator Hose Kit
Replace brittle factory rubber and plastic radiator hoses on your 2017-2019 Chevrolet and GMC heavy-duty trucks equipped with the 6.6L L5P Duramax diesel engine using this direct-fit Mishimoto silicone hose kit. High heat cycles idling and heavy loads degrade stock hoses leading to leaks and overheating this kit provides robust coolant flow for reliable performance on job sites or long hauls. Engineered with five-ply silicone aluminum junctions and included hardware it ensures leak-free operation for years.
Key Features
- 5-Ply Silicone Construction: Multi-layer silicone with embedded heat-resistant fibers withstands extreme temperatures and pressure far beyond factory rubber for long-term durability.
- All-Aluminum Hose Junctions: Precision-machined aluminum ends resist corrosion and cracking maintaining secure connections under high-stress conditions.
- Stainless-Steel Clamps: Full set of T-bolt style clamps provides secure even clamping pressure preventing slips or leaks during operation.
- Replacement O-Ring Included: New O-ring for lower hose quick-disconnect fitting ensures seamless factory-like installation without additional parts.
- Multiple Color Options: Available in Black Blue or Red to match your engine bay aesthetic while delivering identical performance.
Product Notes
- Direct replacement no cutting or modifications required for 2017-2019 L5P Duramax applications.
- Clean hoses before installation to avoid contamination of cooling system.
- Packaged securely for protection during transit.
Installation Notes
- Professional installation recommended.
- Drain coolant system prior to removal of factory hoses.
- All hardware included compatible with OEM fittings no additional parts needed.
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?
- Backed by Lifetime Warranty covering defects in materials and craftsmanship.
- Direct-fit design tested for exact OEM replacement on L5P Duramax platforms.
- Proven in demanding diesel applications with thousands of installations worldwide.
Frequently Asked Questions
-
Q: Will this fit my 2018 Chevrolet Silverado 2500 HD LT with L5P engine?
A: Yes it provides direct bolt-on fitment for all listed 2017-2019 Chevy Silverado 2500 HD and 3500 HD models as well as GMC Sierra equivalents with 6.6L L5P Duramax no modifications needed. -
Q: What materials are used in the hoses?
A: Hoses feature five layers of high-quality silicone reinforced with heat-resistant fibers paired with aluminum junctions for maximum strength and heat resistance. -
Q: What does the Lifetime Warranty cover?
A: Mishimoto Lifetime Warranty protects against material and workmanship defects for as long as you own the vehicle when installed and used properly.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed 13 x 11 x 5 inches
- Weight: 4.4 lbs
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