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HPS Performance Products 3.75 Inch Black 4-Ply Reinforced Silicone Tube Coupler Hose 1 Foot
$74.76

If you're diving into some serious DIY projects or just need a reliable coupler for your setup, check out this HPS 3-3/4" (95mm) x 1 Foot Long High Temp Silicone Tube Coupler Hose. It's not just any hose—this bad boy is built to handle the heat, literally. With a temperature range from -65°F to a scorching +350°F (that’s 177°C for those who prefer metric), it’s perfect for high-pressure applications where other hoses would buckle under the stress.

This silicone tube is reinforced with a tough 4-ply design, making it ideal for everything from custom turbo setups to intercooler piping. Whether you’re working on a marine project or fabricating something for your industrial needs, this hose has got your back. Just keep in mind, it’s not meant for fuel or oil—so save those applications for something else.

Let’s get into some specifics: the inside diameter is 3.75 inches (95mm), which fits snugly on a variety of fittings. The outside diameter is about 4.14 inches (105mm), and with a wall thickness of 4.5mm (+/- 0.5mm), you know it’s built to last. Plus, it's UV and ozone resistant, so you won’t have to worry about it breaking down in the sun.

  • Made of High Temperature 4-ply Reinforced Silicone
  • Meets SAEJ20 industry standards—perfect for heavy-duty pressure connections
  • Great for marine and industrial use, custom turbo or intercooler piping, DIY intake, or radiator cooling systems
  • UV and ozone resistant—built to withstand the elements
  • Not compatible with fuel or oil

So, if you’re looking for a solid, reliable coupler hose that won’t let you down, this HPS silicone tube is a solid choice. It’s straightforward, tough, and ready for whatever you throw at it.

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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