Coolant Hose Kit for 2011+ 6.7 PowerStroke Radiator Hose Kit | SPELAB
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Product Information +
- Brand: SPELAB
- SKU: SPCS21-00135BK-003-L-CS21-00135BK-004-L
- Availability: Many in stock
- Product Type: Coolant Hose Kit
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PLEASE NOTE!
Coolant Hose Kit for 2011+ 6.7 PowerStroke Radiator Hose Kit | SPELAB
The stock rubber radiator hoses on your 6.7L PowerStroke are prone to heat-related degradation, swelling, leaks, and sudden failure—especially after years of exposure to high engine bay temps and pressure cycles.
Whether you're maintaining a dependable daily or building a performance-ready diesel, replacing the factory hoses with upgraded materials is one of the smartest reliability mods you can make.
SPELAB now offers a custom solution: complete four-layer silicone coolant hose kits (upper and lower).
Specifications
| Product | Includes | Highlight Features |
| Upper Radiator Hose | 1× Hose, Billet Thermostat Adapter, Clamps, O‑ring | No-leak quick-connect delete |
| Lower Radiator Hose | 1× Hose, Billet Coupler w/ Drain, Clamps, O‑ring | Easy drain port, reinforced durability |
| Full Hose Kit (Combo) | Upper + Lower Hoses, All Adapters & Hardware | Complete install solution, matching hoses |

Key Features
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Direct OE Replacement – Eliminates OEM plastic quick-connects with robust billet aluminum hardware.
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High Temp, High Pressure Rated – 4‑ply polyester-reinforced silicone is built for performance and durability.
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Leak-Free Seal – Precision-machined adapters and multi-layer construction ensure tight, reliable sealing.
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Integrated Drain Port – Lower hose includes billet drain coupler for clean coolant changes.
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Complete Installation Hardware Included – Kit includes hoses, O-rings, clamps, and fittings.
What’s Included:
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Upper Radiator Hose / Pipe
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Lower Radiator Hose / Pipe
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Thermostat housing adapter (billet aluminum)
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Radiator adapter (billet aluminum)
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Silicone couplers (for aluminum version)
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Stainless steel clamps or T-bolt clamps
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O-rings & hardware
