
EVILENERGY
EVIL ENERGY 3/4" Silicone Heater Hose 5FT Coolant Radiator SAE 20R3 60PSI
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Highlights
- [Size]: 3/4 Heater hose ID: 3/4" (19mm), ID Tolerance: ±0.4mm; Hose OD: 1- 1/16"(27mm), OD Tolerance: ±0.4mm; Hose Length: 5 Feet.
- [Parameter]: Working Pressure: 60 psi; Burst Pressure: 203 psi; Temperature Range: -67°F to 356°F (-55°C to 180°C); Minimum Bend Radius: 95mm. Meets SAE 20R3 Class A requirements.
- [Material]: The heater hose is constructed with braided polyester fiber and silicone inner and outer layers. Compared to EPDM material, silicone withstands a greater temperature range and lasts longer.
- [Application]: Transport air, steam, water, coolant, weak acid and alkaline. Suitable for automotive cooling systems, heating systems, water heaters, etc.
- [Note]: Silicone heater hose is not for carrying alcohol, fuel, engine oil, or lubricants.
Why You'll Love It
- Braided polyester reinforcement handles working pressures up to 60 psi and bursts to 203 psi
- Wide operating range from -67°F to 356°F withstands extreme temperature shifts
- Five-foot line with a 95mm minimum bend radius routes easily through tight engine bays
- Silicone construction offers a longer lifespan and wider temperature range than standard EPDM rubber
- Meets SAE 20R3 Class A requirements for reliable coolant and water transfer
Pros
- +Resists temperatures from -67°F to 356°F
- +Reinforced with braided polyester fiber
- +Meets SAE 20R3 Class A standards
- +Flexible with a 95mm bend radius
Cons
- -Not compatible with fuel or engine oil
- -Cannot carry alcohol or lubricants
- -Comes in a fixed 5-foot length
Detailed Review
The EVILENERGY 3/4-Inch Silicone Heater Hose provides a durable, heat-resistant plumbing solution for vehicle cooling circuits, heating setups, and water heaters. Designed with a 3/4-inch inner diameter and a 1-1/16-inch outer diameter, this 5-foot line replaces standard rubber hoses that degrade under high thermal stress.
Constructed with silicone inner and outer walls reinforced by braided polyester fiber, this hose withstands a broad temperature range of -67°F to 356°F (-55°C to 180°C). Compared to conventional EPDM rubber, the silicone build handles wider temperature swings and offers improved longevity. It supports a continuous working pressure of 60 psi and a burst pressure of 203 psi while meeting SAE 20R3 Class A requirements.
Routing through engine compartments is manageable thanks to a minimum bend radius of 95mm. The hose safely transports water, coolant, steam, air, and weak acids or alkalis across automotive and domestic applications. However, fluid compatibility has strict boundaries: this hose must not be used for carrying fuel, engine oil, alcohol, or specialized lubricants.
Verdict: This hose is a dependable pick for vehicle owners and DIYers who need a high-temperature coolant or water line. As long as it is kept away from fuels and oils, it delivers resilient performance for custom heating and cooling setups.
Specifications
- Inner Diameter: 3/4 inch (19mm, ±0.4mm tolerance)
- Outer Diameter: 1-1/16 inch (27mm, ±0.4mm tolerance)
- Length: 5 feet
- Material: Silicone with braided polyester fiber
- Working Pressure: 60 psi
- Burst Pressure: 203 psi
- Temperature Range: -67°F to 356°F (-55°C to 180°C)
- Minimum Bend Radius: 95mm
- Standard: SAE 20R3 Class A
Who Should Buy It
A great fit if you:
- Need a 3/4-inch line for automotive cooling or heating systems.
- Require a hose that handles extreme temperatures between -67°F and 356°F.
- Want a polyester-reinforced silicone hose meeting SAE 20R3 Class A standards.
Consider something else if you:
- Need plumbing for fuel, engine oil, alcohol, or lubricants.
- Require a continuous hose run longer than 5 feet.
FAQ
What fluids can this silicone hose transport?
It is rated to carry water, coolant, steam, air, and weak acid or alkaline solutions.
Can I use this hose for an oil or fuel line?
No. This hose is not designed for carrying fuel, engine oil, alcohol, or lubricants.
What are the pressure limits for this hose?
The hose has a working pressure rating of 60 psi and a maximum burst pressure of 203 psi.
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Product Specs
| Specification | Details |
|---|---|
| Item Dimensions L x W | 60"L x 0.75"W |
| Item Weight | 12.48 ounces |
| Outside Diameter | 1.06 inches |
| Item Length | 5 feet |
| Material Type | Polyester, Silicone |
| Color | Black |
| Maximum Pressure | 60 psi |
| Brand Name | EVIL ENERGY |
| Manufacturer | EVIL ENERGY |
| Unit Count | 1 Count |
| Best Sellers Rank | #4,893 in Automotive (See Top 100 in Automotive) #3 in Automotive Replacement Heater Hoses |
| ASIN | B0D9LCY1LL |
| Customer Reviews | 4.6 4.6 out of 5 stars (499) 4.6 out of 5 stars |
| Brand | EVIL ENERGY |
| Material | Polyester, Silicone |
| Product Dimensions | 60"L x 0.75"W |
| Number of Packs | 1 |






