EVIL ENERGY 5/16-inch heater hose straight end close-up for cooling systems
EVIL ENERGY 10ft heater hose laid out showing length and flexibility for installs
EVIL ENERGY EPDM rubber construction close-up suitable for cooling applications
EVIL ENERGY hose with smooth black exterior in workshop setting
EVIL ENERGY heater hose connected between radiator and overflow reservoir
EVIL ENERGY 100 PSI rating and temperature range graphic
EVIL ENERGY 5/16-inch heater hose straight end close-up for cooling systems
EVIL ENERGY 10ft heater hose laid out showing length and flexibility for installs
EVIL ENERGY EPDM rubber construction close-up suitable for cooling applications
EVIL ENERGY hose with smooth black exterior in workshop setting
EVIL ENERGY heater hose connected between radiator and overflow reservoir
EVIL ENERGY 100 PSI rating and temperature range graphic

EVIL ENERGY 5/16-inch Heater Hose, 10ft, 100 PSI, SAE 20R3, Black

Overview Designed to simplify coolant routing, the EVIL ENERGY 5/16-inch heater hose offers a durable path for...
Vendor: EVIL ENERGY
Availability: In stock
£34.45
£34.45
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EVIL ENERGY 5/16-inch heater hose straight end close-up for cooling systems

EVIL ENERGY 5/16-inch Heater Hose, 10ft, 100 PSI, SAE 20R3, Black

£34.45
EVIL ENERGY 5/16-inch heater hose straight end close-up for cooling systems
EVIL ENERGY 10ft heater hose laid out showing length and flexibility for installs
EVIL ENERGY EPDM rubber construction close-up suitable for cooling applications
EVIL ENERGY hose with smooth black exterior in workshop setting
EVIL ENERGY heater hose connected between radiator and overflow reservoir
EVIL ENERGY 100 PSI rating and temperature range graphic

EVIL ENERGY 5/16-inch Heater Hose, 10ft, 100 PSI, SAE 20R3, Black

£34.45
Description
Description
x

Overview

Designed to simplify coolant routing, the EVIL ENERGY 5/16-inch heater hose offers a durable path for your cooling circuit. The EPDM rubber construction remains pliable under temperature shifts while the classic black finish resists grime in busy engine bays or utility hot water systems. A full 10-foot length provides flexible options for routing without excessive joints.

Key specifications at a glance

  • ID 5/16 inch (8 mm) with a tolerance of ±0.4 mm
  • OD 0.55 inch (14 mm) with a tolerance of ±0.5 mm
  • Length: 10 feet
  • Working pressure: 100 psi
  • Burst pressure: 300 psi
  • Temperature range: -40°F to 257°F
  • Minimum bending radius: 64 mm
  • Compliance: SAE 20R3 Standard Wall Class D-2

Medium and uses

  • Medium compatibility: coolant, water, antifreeze, and similar fluids
  • Common applications include hot water heaters, engine cooling circuits, and connections from the radiator to the overflow reservoir

Why choose EVIL ENERGY

The hose balances a robust core with practical flexibility, making it suitable for a range of installations. The smooth black exterior helps it blend into most engine bays while resisting surface wear over time. Its 10-foot length can reduce the number of joints, potentially simplifying layout planning.

Keep in mind that performance depends on system design and operating conditions. The details shown reflect typical capabilities and intended uses, not a guaranteed outcome. Consider this hose as a versatile option for compatible cooling and heating setups.

FAQ

Q: What systems is the EVIL ENERGY 5/16-inch heater hose suitable for?

A: Compatible with coolant, water, and antifreeze; supports temperatures from -40°F to 257°F.

Q: What are the main specs to check before installation?

A: ID is 5/16 inch (8 mm), OD 0.55 inch (14 mm); 10 ft length; SAE 20R3 class D-2.

Shipping & Return
Shipping & Return
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Returns 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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