Proven. Trusted. Still unmatched. 🫶 If you're running an Audi 3.0T and haven’t upgraded your thermostat yet, now’s the time to fix that. The ECS Tuning Billet Aluminum Thermostat has been delivering reliability and performance to drivers who demand more from their builds. Why settle for a plastic housing that’s known to crack, leak, and fail under pressure? Our billet aluminum design isn’t just tougher, it’s built to handle high temps and stress without compromising factory temperature operation. Built to perform. Built to last. Here’s why enthusiasts keep choosing it: 1.) CNC-machined billet aluminum for serious durability 2.) Maintains stock temp thresholds for optimal engine health 3.) Direct bolt-on install—no cutting, no hassle 4.) Pre-installed thermostat straight out of the box This isn’t a “maybe later” upgrade. It’s the kind of part you install once and forget—because it just works. Search ES4876046 on our site and give your 3.0T the long-term performance it deserves. ...