The upgraded spark plug tester is compatible with all 12V gasoline car spark plugs and 24V truck spark plugs. 1pc Spark plug tester main unit. We have OBDII cars / Light Trucks / Heavy Duty Truck's, Battery Tester, Fuel Injector Cleaner Machine, Smoke Leak Detector Machine, Digital Circuit Tester, lgnition Spark Tester, Engine Timing Tool, and much more others products.

Brand: DUOYI
Manufacturer Part Number: DY28A
Type: Spark Plug Tester
Vehicle Type: Passenger Vehicle
Warranty: 1 Year
Volt: 12 Volt