Maximize your fleet's uptime and minimize costly repairs with the FJC 43655 Heavy-Duty Truck Cooling System Pressure Test and Refill Kit. This essential tool is designed to tackle the challenges of maintaining large-scale fleet operations, offering efficiency and accuracy that translate directly to bottom-line savings. Unlike older methods relying on unreliable rubber plugs or bladders, the FJC 43655 utilizes shop air to maintain a consistent pressure, resulting in more accurate test results and less setup time. Its innovative quick-disconnect vacuum attachment ensures rapid and problem-free refilling, eliminating frustrating airlocks and streamlining the entire process. The comprehensive kit includes a wide array of heavy-duty vehicle adapters, ensuring compatibility with a broad range of Freightliner, International, Kenworth, Peterbilt, Mack, Volvo, GMC, and Sterling trucks. The integrated pressure test regulator and vacuum refill attachment with tubing, neatly packaged in a durable storage case, provide a complete and well-organized solution. Invest in the FJC 43655 and experience the difference of a professionally engineered, time-saving, and reliable cooling system maintenance solution. This isn't just a kit; it's a strategic investment in your fleet's efficiency and longevity. Made in the USA, the FJC 43655 represents quality and durability you can count on. The kit enhances efficiency, improves accuracy, and minimizes costly downtime. Improve your maintenance operations and safeguard your investment with the FJC 43655.