EVIL ENERGY heater hose 3-8 id 10ft: durable coolant transfer in engines
EVIL ENERGY heater hose 3-8-od-5-8: reliable radiator connections
EVIL ENERGY EPDM black heater hose: flexible, long-lasting coolant line
EVIL ENERGY 100 psi working: withstands engine cooling pressure safely
EVIL ENERGY SAE 20R3 standard: compatible with common coolant systems
EVIL ENERGY 10ft hose: easy installation for heater and radiator links
EVIL ENERGY heater hose 3-8 id 10ft: durable coolant transfer in engines
EVIL ENERGY heater hose 3-8-od-5-8: reliable radiator connections
EVIL ENERGY EPDM black heater hose: flexible, long-lasting coolant line
EVIL ENERGY 100 psi working: withstands engine cooling pressure safely
EVIL ENERGY SAE 20R3 standard: compatible with common coolant systems
EVIL ENERGY 10ft hose: easy installation for heater and radiator links

EVIL ENERGY 3/8 Inch Heater Hose – 10ft EPDM, 100 PSI, SAE 20R3

Overview The EVIL ENERGY 3/8 inch heater hose is a robust, flexible coolant line designed for engine...
Vendor: EVIL ENERGY
Availability: In stock
£36.86
£36.86
Please hurry! Only 5 left in stock
Subtotal: £36.86
10 customers are viewing this product

Free UK Delivery on All Orders

No Minimum Spend Fast & Reliable Delivery Ships Across the UK

Free Returns

30-Day Free Returns
EVIL ENERGY heater hose 3-8 id 10ft: durable coolant transfer in engines

EVIL ENERGY 3/8 Inch Heater Hose – 10ft EPDM, 100 PSI, SAE 20R3

£36.86
EVIL ENERGY heater hose 3-8 id 10ft: durable coolant transfer in engines
EVIL ENERGY heater hose 3-8-od-5-8: reliable radiator connections
EVIL ENERGY EPDM black heater hose: flexible, long-lasting coolant line
EVIL ENERGY 100 psi working: withstands engine cooling pressure safely
EVIL ENERGY SAE 20R3 standard: compatible with common coolant systems
EVIL ENERGY 10ft hose: easy installation for heater and radiator links

EVIL ENERGY 3/8 Inch Heater Hose – 10ft EPDM, 100 PSI, SAE 20R3

£36.86
Description
Description
x

Overview

The EVIL ENERGY 3/8 inch heater hose is a robust, flexible coolant line designed for engine bays and home heating setups. Crafted from EPDM rubber, it offers a durable black exterior and a supple interior that accommodates modest bends without kinking, helping you keep fluid paths clear in daily use.

Built to support common automotive and appliance cooling tasks, this hose thrives in mixed environments where hot and cold conditions meet. It aligns with SAE 20R3 class D-2 expectations, providing a practical option for routing coolant between radiators, reservoirs, and heaters without requiring specialized fittings.

Specifications at a glance

  • Size: inner diameter 3/8 inch (9.5 mm) with ±0.4 mm tolerance; outer diameter 5/8 inch (16 mm) with ±0.5 mm tolerance; length 10 feet
  • Material: EPDM rubber for solid heat resistance and fluid compatibility
  • Pressure and temperature: working pressure up to 100 psi; burst pressure up to 300 psi; temperature range -40°F to 257°F; minimum bending radius 76 mm
  • Medium: coolant, water, antifreeze and similar fluids
  • Compliance: meets SAE 20R3 Standard Wall Class D-2

Performance and versatility

  • Flexible routing that helps prevent kinks in tight engine bays
  • Durable EPDM construction supports sustained exposure to heat and coolant blends

Common applications

  • Hot water heater connections
  • Engine cooling system links
  • Radiator overflow reservoir connections

Note: This specification highlights design capabilities and typical use cases. Real-world results depend on installation, clamps, and system conditions. Consider this hose as a flexible option to enhance an existing coolant path rather than a guaranteed outcome for every setup.

FAQ

Q: What are the key dimensions and typical uses?

A: ID 3/8 inch, OD 5/8 inch, 10 feet long; designed for coolant, water, and antifreeze connections.

Q: Is this hose compatible with automotive cooling systems?

A: Yes. It supports coolant and antifreeze within a -40°F to 257°F range and up to 100 psi working pressure.

Shipping & Return
Shipping & Return
x

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.

Complete Your Setup

Example product title
£36.86
£36.86
Example product title
£36.86
£36.86
Example product title
£36.86
£36.86
Example product title
£36.86
£36.86
Example product title
£36.86
£36.86
Example product title
£36.86
£36.86
Example product title
£36.86
£36.86
Example product title
£36.86
£36.86
Example product title
£36.86
£36.86
Example product title
£36.86
£36.86

Recently Viewed Products