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HPS Performance Products 3/8" (9.5mm) Black Reinforced Silicone Heater Hose Sold Per Foot - HTHH-038-BLK
HPS Performance Products 3/8" (9.5mm) Black Reinforced Silicone Heater Hose Sold Per Foot - HTHH-038-BLK - Image 2 HPS Performance Products 3/8" (9.5mm) Black Reinforced Silicone Heater Hose Sold Per Foot - HTHH-038-BLK - Image 2

HPS 3/8" Black High Temp Reinforced Silicone Heater Hose

If you're diving into some serious DIY projects or just need a reliable hose for your cooling system, this HPS 3/8" (9.5mm) silicone heater hose is worth checking out. It's tough, flexible, and built to last, meeting those SAEJ20 industry standards that you want in your corner.

Now, let’s talk about what makes this hose stand out. First off, it’s made from premium industrial-grade silicone. The heavy wall design means it can handle some serious pressure without breaking a sweat. We’re talking about a max working pressure of 80 psi here. And with a temperature range that goes from -65°F to a scorching +350°F, it's ready for whatever you throw at it—whether that's coolant, water, or just about anything else that fits the bill (just steer clear of fuels and oils).

This hose is ultra-flexible, which is a lifesaver when you're trying to fit it into tight spots. The bend radius is just 1-1/2", so you can maneuver it without worrying about kinks. Plus, it’s UV and ozone resistant, which means it won’t crack or peel over time. You want durability, and this hose delivers.

Key Features:

  • Max Temperature Rating: 350°F; Max Working Pressure: 80 psi
  • Sold per foot, but it comes in one continuous roll—no annoying sections to deal with
  • Compatible with water and anti-freeze (coolant), but not for fuel or oil
  • Great for marine applications, industrial setups, or custom turbo and radiator cooling systems
  • Resistant to cold leaks, cracking, and aging—this hose is built to withstand the test of time

Specifications:

  • Product Type: Silicone Heater Hose
  • Color: Black
  • Inside Diameter: 3/8" (9.5mm)
  • Outside Diameter: 5/8" (15.5mm)
  • Wall Thickness: 4mm
  • Reinforced Layer: 1-ply Polyester
  • UPC: 648044826226

So whether you're working on a custom build or just need a solid hose for your radiator, this HPS silicone heater hose has got your back. It's reliable, tough, and ready to tackle the job.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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About HPS Performance Products

HPS Performance Products is a leading manufacturer of aftermarket performance parts, fabrication components, and silicone hoses. HPS serves a number of different industries, including automotive, aerospace, construction, commercial truck/bus, marine, agricultural, turbo diesel, off-road, performance racing, general manufacturing, and water treatment. The company’s ability to fabricate custom-shaped multiply silicone hoses make it ideal for a wide range of applications. The multiply carcass makes HPS’ hose perfect for coolant and turbocharged pressure applications while the fluoro-silicone-lined hoses make it safe to be used with petroleum-based oil and fuel.

HPS Performance Products is committed to meeting its original goals of producing quality parts at competitive pricing and providing customer service responses in a personal, timely manner. All HPS products have been thoroughly tested on the dyno and track, and meet or exceed SAEJ20 standards. The HPS staff has solid expertise in the silicone hose department, which allows them to deliver standard size silicone hoses with same-day shipping. HPS’ highly skilled and knowledgeable team, paired with the latest state-of-the-art technology, ensures the brand’s continued success and reputation as a premier manufacturer in the industry 

HPS Quality Silicone Hoses

HPS Performance Products specializes in and is best known for manufacturing multi-application silicone hoses. HPS silicone hoses are carefully crafted from only the highest quality 4-ply reinforced high-temperature material. The hoses are available in the following varieties: straight coupler, 1-foot tube, 3-foot coolant tube, charge air cooler hose (CAC), hump coupler, reducer couple her, 45-degree elbow coupler and reducer, and 90-degree elbow coupler and reducer.

HPS Performance Products also carries performance silicone vacuum hoses and silicone heater hoses. You can choose silicone hoses in both standard inch and hard-to-find metric sizes. Stainless steel T-bolt clamps are available to match with the silicone hoses as well. In order to meet the high demand and shorten the turnaround time for its silicone hoses, up to 90 percent of the product is already in stock and ready to ship or pick up from HPS authorized dealers like Vivid Racing. 

HPS Performance Products at Vivid Racing

Vivid Racing carries a comprehensive lineup of HPS Performance Products for a number of different makes, models, and applications. Our extensive inventory of HPS parts includes aluminum tubing, cold air and short ram intakes, vacuum lines, hoses and clamps, intercooler pipes, radiator caps, and much more! If you have any questions regarding the items listed above or have fitment concerns, please contact our expert sales team at (480) 966-3040. We are here to help you through the entire purchase process and make it a pleasant experience.

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