HPS Performance 5/8" Reinforced Silicone Coolant Cap - Blue
If you're looking for a reliable and durable coolant cap for your vehicle, the HPS Performance 5/8" Reinforced Silicone Coolant Cap in vibrant blue is the perfect choice. This cap is specifically designed to fit seamlessly into your cooling system, ensuring that you can maintain optimal performance without any hassle.
Why Choose HPS Performance Silicone Caps?
Unlike standard vacuum caps that are often flimsy and lack reinforcement, HPS Performance caps are built to last. With a robust design featuring three layers of polyester webbing, these silicone caps can handle the high temperatures and pressures typical of a cooling system. You can trust that they will stand the test of time, providing you with peace of mind on the road.
Versatile Compatibility
These silicone caps are not just limited to coolant systems. They're compatible with a variety of applications including:
- Coolant
- Water
- Air
- Turbocharger bypass valve ports
- Vacuum ports
- Throttle body water ports
- Heater cores
Specifications You Can Rely On
Here are some key specifications that make the HPS Performance 5/8" Coolant Cap a top pick:
- Temperature Range: -65?F to +350?F (177?C)
- Reinforced Layer: 3-ply polyester
- Inside Diameter: 5/8" (16mm)
- Wall Thickness: 4mm
- Inside Length: 1-3/16"
- Overall Length: 1-5/8"
- Color: Blue
- UV and Ozone Resistant: Yes
Important Note
While these caps are incredibly versatile, it's essential to remember that they are not compatible with fuel, oil, or any petroleum-based products. This ensures that you get the best performance and longevity from your HPS silicone cap.
Upgrade your vehicle's cooling system with the HPS Performance 5/8" Reinforced Silicone Coolant Cap and experience the reliability and durability that comes with quality engineering.
⚠ 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.
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