If you're diving into performance upgrades on your vehicle, the HPS AN822-4 AN to NPT Adapter is an essential piece for anyone looking to enhance their fluid connections. This adapter seamlessly converts your female NPT threaded ports to AN style fittings, making serviceability a breeze for car owners who prefer hands-on maintenance.
This adapter is perfect for those who want to ensure reliable connections without the hassle of repeated servicing. Standard NPT threads can wear down with repeated use, but the HPS AN822-4's design allows for multiple installations and removals without the need for additional sealants or gaskets. This means you can easily swap out lines or make adjustments without worrying about damaging your fittings. Whether you're working on a classic muscle car or a modern turbocharged setup, this adapter is versatile enough for a range of applications.
For 2019+ Ford Mustang GT owners, this adapter can be a game changer when upgrading fuel lines or oil coolers. One Mustang owner shared, “I installed the HPS AN822-4 to convert my oil cooler lines, and it made the whole process straightforward. The AN fittings are so much easier to work with, and I love that I can service them without worrying about leaks.”
Similarly, 2020 Subaru WRX enthusiasts have found this adapter invaluable for their aftermarket setups, stating, “The HPS AN to NPT adapter fit perfectly with my new fuel rail. It’s solid, reliable, and looks great under the hood.”
Don’t compromise on your vehicle’s performance—opt for the HPS AN822-4 AN to NPT Adapter and enjoy the peace of mind that comes with reliable, serviceable connections.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

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 HosesHPS 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 RacingVivid 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.