Powerbuilt Oxygen Sensor Thread Chaser Tool – M18 x 1.5mm Rethread Cleaner –for Cleaning and Possibly Repairing Damaged Threads in Oxygen Sensor Bores – 940379

For cleaning and possibly repairing damaged threads in oxygen sensor bores. Also can be used on M18 x 1.5 spark plug bores. Must use anti-seize when using this product. Meets or exceeds ANSI standards. Lifetime warranty.

• Precision Re-Threading - Designed to clean, re-tap, and restore damaged oxygen sensor threads to help prevent cross-threading during future O2 sensor installations.
• Easy to Operate - Works seamlessly with a 3/8-inch hex socket or 3/8-inch square drive ratchet, giving you flexibility and control in tight engine bays.
• Professional Results - Ideal for mechanics and DIY users, making O2 sensor port repairs fast, accurate, and reliable. Applying anti-seize is recommended for best performance.
• Improved Vehicle Maintenance- Eliminates cross-threaded holes that can affect exhaust and sensor performance, helping your vehicle run smoothly.
• M18 x 1.5mm Compatible: Built to rethread oxygen sensor ports that use M18 x 1.5mm spark plug thread sizing found in many automotive applications.
• Use with 3/4 inch hex socket or 3/8 inch square drive
• Size is M18 x 1.5 oxygen sensor
• Works on M18 x 1.5 spark plug threads