Ingenious and simple, this timesaving tool holds the engine coolant in, even when pipe plugs, sensors, valves, etc. are removed for replacement or repair. For many minor repairs, there is no need to spend valuable shop time draining and refilling the system. Unit fits standard radiator necks and installs as quickly as a radiator cap.
Adapters are available to fit special applications.
As a pressure tester, this unit quickly checks your repair with positive pressure from shop air without tedious hand pumping. A radiator cap installs on tester to provide pressure relief. It comes conveniently packaged in it's own storage case molded from high-density polyethylene plastic. Installs as quickly as a radiator cap. No need to spend valuable shop time draining and refilling the system.