EVIL ENERGY 3/8" Silicone Heater Hose Radiator Coolant Hose Straight SAE J20R3 CLASS-A 60 PSI 5FT Black
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Description
xMeet the EVIL ENERGY 3/8-inch Silicone Heater Hose, a flexible, high-performance line designed for automotive cooling and heating tasks. The hose combines a braided polyester exterior with silicone inner and outer layers, delivering a balance of durability, heat resistance, and easy routing in tight engine bays.
Built to handle demanding conditions, this hose offers a broad temperature range and sturdy pressure tolerance without sacrificing flexibility. The result is a versatile component that can help you simplify installations, manage bulky routing, and reduce the risk of kinks during turns or bends. While it isn’t a universal cure-all, the design aims to support reliable coolant and steam transport in everyday applications.
Key specifications at a glance
- Inside diameter: 3/8" (9.5 mm); outside diameter: 11/16" (17.5 mm); length: 5 feet
- Working pressure: 60 psi; burst pressure: 246 psi; temperature range: -67°F to 356°F (-55°C to 180°C)
- Minimum bend radius: 38 mm; meets SAE J20R3 Class A requirements
Material and durability
The silicone core and jacket provide solid heat resistance and chemical stability, while the braided polyester layer adds structural support. Compared with standard EPDM hoses, silicone options like this one often offer a wider temperature envelope and potential for longer service life in hot or demanding environments.
This construction supports smoother coolant and steam transport, helping to maintain flow and reduce the risk of collapse under pressure. The hose is designed for flexible routing, which can simplify installation and maintenance in busy engine compartments or compact heating systems.
Applications and best practices
- Automotive cooling systems and vehicle heating circuits
- Residential or commercial water heaters and related plumbing setups
- Water transport for controlled-temperature systems and simple steam lines
- General use for coolant, air, and steam transport within its material limits
Note: Do not use silicone heater hose for alcohol, fuel, engine oil, or lubricants. Ensure proper fitment by confirming the ID/OD before installation, and avoid sharp bends beyond the recommended 38 mm radius to maintain integrity over time.
With its robust build and adaptable size, this hose is a practical choice for DIY enthusiasts and professional technicians who value reliability, ease of routing, and a broad temperature tolerance in everyday systems.
FAQ
Q: What is the EVIL ENERGY 3/8" Silicone Heater Hose best used for?
A: Suitable for coolant, steam, and water transport in automotive cooling or heating systems; not intended for alcohol, fuel, engine oil, or lubricants.
Q: Does it meet SAE J20R3 Class-A standards and what pressures does it handle?
A: Yes. It meets SAE J20R3 Class-A, with a 60 psi working pressure and a temperature range from -67°F to 356°F.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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