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12mm Spark Plug Adapters for 20250 Compression Tester.
Sold Two Per Set.
Quickly Checks Spark at Plug Wire.
Double-Ended for Both 14mm & 18mm Threads.
Also Pulls Cartridge Fuses.
Detects Combustion Leaks on Diesel Engines.
Cleans Threads in NOx Sensor Holes.
Fits Spark Plug Holes with Limited Access.
Cleans Threads in Soot Sensor Holes.
For Use with 20250 Compression Tester.
Removes Spark Plug Wire Boots from Plugs.
Two Pulling Positions Help Make Removing Spark Plug Wires A Safe And Easy Job.