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EVIL ENERGY 3/4" Heater Hose Coolant Radiator Straight 100PSI SAE 20R3 20FT Black

  • Based on 943 reviews
Condition: New
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Availability: In Stock.
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Arrives Sunday, Sep 6
Order within 1 hour and 49 minutes
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Size: 3/4 20FT


Features

  • [Size] ID: 3/4" (19mm), tolerance is 0.6mm; OD: 1.10" (28mm), tolerance is 0.8mm; Length: 20 feet.
  • [Material] Made of EPDM rubber.
  • [Parameter] Working Pressure: 100psi; Burst Pressure: 300psi; Temperature Range: -40F to 257F; Min Bending Radius: 152mm. Meets and exceeds SAE 20R3 Standard Wall Class D-2 requirements.
  • [Medium] Compatible with coolant, water, antifreeze, etc.
  • [Application] Used in hot water heater, engine's cooling system, connecting the radiator to the overflow reservoir, etc.

Description

Visit the Store Visit the Store Visit the Store Visit the Store SAE 20R3 Class-A Silicone Heater Hose Specifically For Vehicle's Cooling/Heating Systems Conforms to USCG Type A1-15 SAE J1527. Widely used for supplying fuel to motors in boats or marine. Conforms to SAE 30R7. Widely used as a fuel line, emission control line, fuel return line, etc. Can be used as fuel injection hose, boost line, carb fuel line, ls engine swap fuel line, fuel return line, vapor return line,fuel supply line, etc. Widely used as transmission cooler line, fuel return line, fuel supply line, coolant fluid hose, engine cooler line.

Brand: EVIL ENERGY


Material: Epdm Rubber


Product Dimensions: 0.75"W


Item Weight: 3.43 Kilograms


Maximum Pressure: 300 Pound per Square Inch


Nominal Wall Thickness: 4.5 millimeters


Outside Diameter: 1.1 Inches


Item Length: 20 Feet


Manufacturer: EVIL ENERGY


Unit Count: 1.0 Count


Item Dimensions L x W: 0.75"W


Item Weight: 3.43 Kilograms


Nominal Wall Thickness: 4.5 millimeters


Outside Diameter: 1.1 Inches


Item Length: 20 Feet


Material Type: Epdm Rubber


Maximum Pressure: 300 Pound per Square Inch


Brand Name: EVIL ENERGY


Manufacturer: EVIL ENERGY


Unit Count: 1.0 Count


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Sep 6

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Used for a tire machine.
Size: 3/4 10FT
Although it wasn't exactly what I was looking for this fits perfectly on my tire machine. Appears to be durable and well made.
Reviewed in the United States on June 2, 2026 by Rychefan

  • Good Hose
Size: 3/8 10FT
Quality hose.
Reviewed in the United States on July 5, 2026 by Carolina Rig

  • Perfect on my 2010 tahoe!
Size: 5/8 10FT
Update: hoses already have1k miles on them and zero leaks and performing as expected! Evil Energy holding up! I recently had a coolant leak on my 2010 tahoe right on the heater T connectors that are by the firewall that lead to the heater core, very common on these vehicles due to the original connectors being plastic so i decided to change them with Dorman metal ones. I also decided to change the hoses too since mines looked pretty old and came across this one. Im not new to evil energy so i didn’t hesitate. This hose while it has the same ID 5/8 as the old ones, is thicker, fits perfectly and feels stronger and like it will last much more than the old ones did! ... show more
Reviewed in the United States on May 19, 2026 by Adrian

  • Reliable
Size: 5/8 10FT
Reliable and timely
Reviewed in the United States on July 10, 2026 by Norman E.

  • Great quality
Size: 5/8 10FT
Really nice quality, doesn’t feel cheap at all. Looks great as-well.
Reviewed in the United States on May 26, 2026 by Audrey W.

  • Excellent price
Size: 3/8 10FT
Evil energy has great products and this extra hose has come in handy
Reviewed in the United States on January 20, 2026 by Vero V.

  • Heater hose
Size: 5/8 10FT
The hose seemed ok but it is imported which I don't like.
Reviewed in the United States on January 19, 2026 by paul vey

  • 1 inch heater hose use for a sprayer
Size: 1 10FT
Hose was very nice and heavy and flexible easy to put on the fittings
Reviewed in the United States on April 21, 2026 by Earl Kearney

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