High Compatibility: Our 28-piece radiator coolant pressure tester and refill kit is designed for maximum compatibility, featuring 17 color-coded test caps and 3 test covers. Identifying the right adapter for your vehicle has never been easier. This coolant pressure tester kit is your go-to solution for a wide range of Japanese, European, and American car models.

Robust Hand Pump: Crafted with a robust aluminum pump and reinforced with dual rubber rings in the hose interface, our hand pump ensures exceptional airtightness and extended lifespan. With a testing pressure range of 0-35 psi, it delivers pinpoint accuracy every time.

Upgraded Filling Valve: The pumping components with high-quality metal materials and reinforced the metal joint with double rubber rings. This not only enhances airtightness but also improves suction and vacuuming speed. The upgraded PU hose minimizes the risk of leakage, and we've even added a chain for easy handling.

2-in-1 Convenience: Our cooling system pressure tester kit doesn't just detect coolant leaks; it also facilitates quick coolant replacement. This dual functionality saves you time and money, making it the perfect tool for garages, repair shops, and DIY enthusiasts looking to test water tank pressure and fill antifreeze coolant.