Engine & Battery

This high-tech, user friendly Oxygen Sensor Tester/Simulator model ST05 from General Technologies Corp/Sheffield Research sports a simple interface to perform diagnostic tests and measurements on any Oxygen Sensor and to quickly determine whether or not...

Fits 1/2", 5/8", & 3/4" heater hoses. No need to use acids or caustic solutions. Saves costly replacement of even most stubbornly clogged heater cores. Made of corrosion resistant aluminum. Basic garden hose hook-up cleans cooling systems &...