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HPS Performance Products Silicone 45 Degree Elbow Reducer Coupler Hose 1-3/8" to 1-1/2" Black - HTSER45-138-150-BLK

HPS 1-3/8" to 1-1/2" 45 Degree Elbow Reducer Coupler Hose

Alright, let’s talk about this HPS 45 Degree Elbow Reducer Coupler Hose. If you’re diving into some custom work, whether it’s for your turbo setup or just needing to route coolant better, this is a solid piece to consider. Made from high-temp, 4-ply reinforced silicone, it’s built to handle some serious heat—up to 350°F (177°C) to be exact. So, if you’re pushing your engine or working in a high-stress environment, you can trust this hose to keep things flowing smoothly.

The dimensions here are pretty specific. You’ve got an inside diameter that ranges from 1.38" to 1.5" (or 35mm to 38mm), and the outside diameter is 1.75" to 1.89" (45mm to 48mm). Each leg is a solid 4 inches long, giving you plenty of room to work with. Just keep in mind, this hose isn't compatible with fuel or oil, so it’s best suited for air or coolant applications.

What really stands out is the durability. This thing is UV and ozone resistant, which is a big deal if you’re using it in a marine setup or somewhere it’s going to be exposed to the elements. You want something that’s going to last, and this hose meets and exceeds SAE J20 standards, so you know you’re getting a reliable product.

Features:

  • High-temperature, 4-ply reinforced silicone for maximum durability.
  • Meets SAE J20 standards—perfect for heavy-duty pressure connections.
  • Ideal for custom turbo or intercooler piping, DIY intakes, or radiator cooling systems.
  • UV and ozone resistant, making it great for marine and industrial use.
  • Note: Not for fuel or oil applications.

Specifications:

  • Product Type: Silicone 45 Degree Elbow Reducer Coupler Hose
  • Color: Black
  • Inside Diameter: 1-3/8" - 1-1/2" (35mm - 38mm)
  • Outside Diameter: 1.75" - 1.89" (45mm - 48mm)
  • Leg Length: 4"
  • Reinforced Layer: 4-ply Polyester
  • Max Temperature Rating: 350°F
  • Wall Thickness: 4.5mm (+/- 0.5mm)
  • UPC: 648044830605

So, if you’re gearing up for a project and need a reliable elbow hose that can take the heat, this HPS reducer is a great choice. It’s got the specs and the toughness to back it up, making it a solid addition to your toolkit.

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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