If you're looking to give your Mercedes-Benz 300SL a solid upgrade, this HPS High Temp 3-ply Reinforced Silicone Radiator Coolant Hose Kit is definitely worth checking out. I’ve been through my fair share of hoses, and let me tell you—stock rubber ones just don’t cut it after a while. They weaken, crack, and can leave you stranded when you least expect it. This kit is designed to replace those OEM hoses with something that’s built to last.
What I really appreciate about these hoses is their construction. Made from high-quality silicone, they can handle some serious heat—up to a whopping 350 degrees Fahrenheit. So whether you’re cruising down the highway or pushing your ride on a track day, you can count on these to maintain peak efficiency. The racing-inspired design means they’re not just durable; they’re also engineered to perform under pressure.
Installation is a breeze, too. HPS provides all the right bends and sizes to ensure a perfect fit, which is a huge relief compared to the universal hoses you might find at your local auto parts store. Plus, they throw in 100% stainless steel clamps that won’t cut through the hose material, making it a solid choice for anyone who likes to get their hands dirty without worrying about leaks down the line.
To break it down a bit more, this kit is specifically made for the 3.0L engine in the 1990-1993 Mercedes-Benz 300SL. It replaces OEM part numbers 129-501-24-82 and 129-501-01-82, so you know it’s a direct swap. If you’re serious about maintaining or even upgrading your ride, this silicone radiator hose kit is a no-brainer. It’s race-proven, built to last, and designed to keep your engine running cool even under the most demanding conditions.
Fitment:
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
1990-1993 Mercedes-Benz 300SL |
300SL | 1990-1993 |

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.