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![[Red] EVIL ENERGY upper radiator hose kit with red aluminum coolant pipe, silicone couplers, and T-bolt clamps for 2020-2025 L5P Duramax trucks](http://www.ievilenergy.com/cdn/shop/files/BVL0001013-6.2-m1_720x.progressive.webp.jpg?v=1780405343)
![[Black] EVIL ENERGY upper radiator hose kit with red aluminum coolant pipe, silicone couplers, and T-bolt clamps for 2020-2025 L5P Duramax trucks](http://www.ievilenergy.com/cdn/shop/files/BVL0001012-6.2-m1_720x.progressive.webp.jpg?v=1780405449)

![[Red] Smooth coolant flow diagram showing upper radiator hose from thermostat outlet to radiator inlet on L5P Duramax engine](http://www.ievilenergy.com/cdn/shop/files/BVL0001013-6.2-m3_720x.progressive.webp.jpg?v=1780405343)
![[Black] Smooth coolant flow diagram showing upper radiator hose from thermostat outlet to radiator inlet on L5P Duramax engine](http://www.ievilenergy.com/cdn/shop/files/BVL0001012-6.2-m3_720x.progressive.webp.jpg?v=1780405450)
![[Red] 6063-T6 aluminum upper radiator hose pipe with 1.84 inch inner diameter, 2.0 inch outer diameter, CNC machining, and anodized finish](http://www.ievilenergy.com/cdn/shop/files/BVL0001013-6.2-m4_720x.progressive.webp.jpg?v=1780405343)
![[Black] 6063-T6 aluminum upper radiator hose pipe with 1.84 inch inner diameter, 2.0 inch outer diameter, CNC machining, and anodized finish](http://www.ievilenergy.com/cdn/shop/files/BVL0001012-6.2-m4_720x.progressive.webp.jpg?v=1780405450)

![[Red] Package included for upper radiator hose kit with one red aluminum pipe, two silicone couplers, and four T-bolt clamps](http://www.ievilenergy.com/cdn/shop/files/BVL0001013-6.2-m6_720x.progressive.webp.jpg?v=1780405343)
![[Black] Package included for upper radiator hose kit with one red aluminum pipe, two silicone couplers, and four T-bolt clamps](http://www.ievilenergy.com/cdn/shop/files/BVL0001012-6.2-m6_720x.progressive.webp.jpg?v=1780405450)
![[Red] Direct upper radiator hose replacement installed on L5P Duramax engine with no cutting or modification required](http://www.ievilenergy.com/cdn/shop/files/BVL0001013-6.2-m7_720x.progressive.webp.jpg?v=1780405343)
![[Black] Direct upper radiator hose replacement installed on L5P Duramax engine with no cutting or modification required](http://www.ievilenergy.com/cdn/shop/files/BVL0001012-6.2-m7_720x.progressive.webp.jpg?v=1780405450)
![[Red] Before and after comparison showing factory rubber radiator hose replaced with red aluminum upper coolant pipe for improved style and reliability](http://www.ievilenergy.com/cdn/shop/files/BVL0001013-6.2-m8_720x.progressive.webp.jpg?v=1780405343)
![[Black] Before and after comparison showing factory rubber radiator hose replaced with red aluminum upper coolant pipe for improved style and reliability](http://www.ievilenergy.com/cdn/shop/files/BVL0001012-6.2-m8_720x.progressive.webp.jpg?v=1780405450)

![[Black] Upper radiator hose kit for towing use, diesel engine bay builds, and long-term cooling system upgrade on Silverado and Sierra trucks](http://www.ievilenergy.com/cdn/shop/files/BVL0001012-6.2-m9_720x.progressive.webp.jpg?v=1780405458)




| Brand | EVIL ENERGY |
| Material | 6063 Aluminum Alloy + 5-Ply Silicone Hose |
| Item Weight | 2.38 lbs |
| OEM Part Number | 84813629, 85122989 |
| Compatibility | For GMC Models: 2020-2025 Sierra 2500 HD/3500 HD L5P 6.6L Duramax For Chevrolet Models: 2020-2025 Silverado 2500 HD/3500 HD L5P 6.6L Duramax |
EVIL ENERGY upper radiator hose is a direct-fit aluminum coolant pipe kit for 2020-2025 Chevrolet Silverado 2500 HD/3500 HD and 2020-2025 GMC Sierra 2500 HD/3500 HD with the L5P 6.6L Duramax engine. This L5P Duramax radiator hose replaces OEM part numbers 84813629 and 85122989.
This product is built for buyers searching for a chevy silverado coolant hose, chevy radiator hose, coolant hose chevrolet, or GMC radiator hose for compatible Duramax trucks. It is not a universal car coolant hose or random-fit car radiator hose.

This upper radiator hose upgrades the factory upper radiator hose assembly with a precision-formed aluminum coolant pipe. It follows the OEM coolant routing path for a bolt-on installation without cutting, welding, or modifying factory components. Unlike universal radiator hoses or a generic car radiator hose, this kit is built for specific Silverado and Sierra L5P Duramax applications.
Compared with universal radiator hoses or a generic car coolant hose, this kit is vehicle-specific. It is designed for the listed L5P Duramax applications and should be checked against OEM numbers 84813629 and 85122989 before purchase.
This car radiator hose upgrade includes the core parts needed for the upper cooling system connection:
The included silicone coolant hoses and T-bolt clamps help secure the aluminum pipe connection. For buyers comparing replacement radiator hoses, this kit provides a more complete installation package than a single rubber hose.
These measurements help you compare the kit with the factory car coolant hose routing before installation.

Choose this L5P Duramax radiator hose if you want to replace the factory upper radiator hose assembly with a complete aluminum coolant pipe kit. It is designed for a cleaner engine bay appearance, secure upper cooling system connection, and direct-fit installation on compatible Silverado and Sierra Duramax trucks.
Built with 6063-T6 aluminum construction, this upper radiator hose kit uses high-strength aluminum, precision CNC machining, and an anodized finish to create a cleaner and more rigid upper coolant pipe structure than the bulky factory rubber hose appearance.
For buyers comparing standard radiator hoses with an aluminum coolant pipe setup, this product offers a more performance-inspired engine bay look while keeping the original upper cooling path.

This kit uses reinforced silicone radiator hose couplers to complete the upper cooling system connection. The 5-ply silicone coolant hoses are designed to support a secure fit with the included stainless steel T-bolt clamps. This combination helps create a reliable connection for daily driving, towing, hauling, and long-term diesel truck use.

Designed for heavy-duty applications including towing, daily driving, and custom engine bay builds. This upper radiator coolant pipe upgrade provides long-lasting durability, dependable coolant flow, and a stronger cooling system connection for demanding Duramax trucks.

Replaces the bulky factory rubber coolant hose with a sleek aluminum upper coolant tube setup to create a cleaner and more aggressive under-hood appearance. A popular engine bay upgrade for L5P Duramax performance and diesel truck enthusiasts.

This Chevy Silverado coolant hose fits 2020-2025 Chevy Silverado 2500 HD/3500 HD L5P 6.6L Duramax. It works as a direct-fit Chevy radiator hose and coolant hose Chevrolet replacement when the vehicle matches OEM part numbers 84813629 or 85122989.
This kit also fits 2020-2025 GMC Sierra 2500 HD/3500 HD L5P 6.6L Duramax, making it a compatible GMC radiator hose for listed Sierra models. It installs along the original coolant hose routing and is designed for a clean under-hood fit.
This upper radiator hose is not a universal car coolant hose, lower radiator hose, heater hose, EGR coolant hose, or coolant fluid product. Before ordering this Chevy radiator hose, Chevy Silverado coolant hose, coolant hose Chevrolet, or GMC radiator hose, confirm your vehicle is a 2020-2025 Silverado/Sierra 2500 HD/3500 HD with the L5P 6.6L Duramax engine and matches OEM part number 84813629 or 85122989.
| Policy | Details |
|---|---|
| Cancellation Policy | Orders can be canceled within 48 hours of placement. Refund processed in 3-5 business days. |
| Returns Policy | Returns accepted within 180 days. Full refund within 90 days; 15% fee for 90-180 days. |
| Non-Returnable Items | Only regular-priced items are eligible for refunds; sale items are non-refundable. |
| Refund Processing | If no refund received, check your bank/credit card. For ongoing issues, contact support@ievilenergy.com. |
Effective from August 25, 2024. Price drops within 7 days of purchase can be claimed.
EVIL ENERGY reserves the right to interpret, modify, or terminate this policy in accordance with applicable laws and regulations.
If you need further information or assistance, feel free to ask!
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