M18 x 1.5 can be used with 3/4" hex socket or 3/8" square screwdriver, also works with M18 x 1.5 spark plug threads. Oxygen O2 Sensor Thread Repair Chaser M18 X 1.5 M12 x 1.25. The tool has M12 x 1.25 and M18 x 1.5 two size thread chaser.
eBay
Oxygen Sensor Thread Chaser Fits 3/8 Drive Socket M18 x 1.5 Oxygen Sensor and Spark Plug Black CR-V
Aliexpress UK
M18 x 1.5 can be used with 3/4" hex socket or 3/8" square screwdriver, also works with M18 x 1.5 spark plug threads. Oxygen O2 Sensor Thread Repair Chaser M18 X 1.5 M12 x 1.25. The tool has M12 x 1.25 and M18 x 1.5 two size thread chaser.
eBay
Universal SS304 O2 Oxygen Sensor Plug Automobiles lambda Sensors Bung Plug M18X1.5 M12 X 1.25 Thread
Aliexpress UK
Designed for the repair of damaged Lambda (oxygen) sensors threads. Set includes: 5 x thread repair inserts M18 x 1.5. M18 x 1.5 taper tap M20 x 1.5 taper tap. Reamer insert tool. Spares insert nuts available, please see Laser Part No. 0069 (pack of 5).
eBay
5Pcs Car Uniersal Oxygen Sensor Socket Removal Tools 22mm M12/M18 Metal Vacuum Sensor Socket Thread
Aliexpress UK
Neilsen Laser Tools Oxygen Lambda Sensor Thread Repair Tool Kit For repair of defective oxygen sensor threads Reamer Ø 18.6 mm, for reaming of oxygen sensor threads Tap M20 x 1.5, for cutting the repair bushing threads Tap M18 x 1.5, for cutting of oxygen sensor threads Insertion tool to insert the threaded bushings 5 repair bushings.
eBay
Oxygen Sensor Wrench Kit for Automotive O2 Socket Removal Install Offset Vacuum Sensor Socket Thread
Aliexpress UK
M18 x 1.5 can be used with 3/4" hex socket or 3/8" square screwdriver, also works with M18 x 1.5 spark plug threads. Oxygen O2 Sensor Thread Repair Chaser M18 X 1.5 M12 x 1.25. The tool has M12 x 1.25 and M18 x 1.5 two size thread chaser.
eBay
Car repair tools oxygen sensor socket wrench 9mm 18mm disassembly tool box socket
Aliexpress UK
Use one of the socket wrenches to turn and loosen the sensor, then clean the manifold threads with the thread chase. 1Pc Oxygen Sensor Socket 3/8" Drive x 7/8" (22mm) x 47mm long. 1Pc Vacuum Switch Socket 3/8" Drive x 7/8" (22mm) x 29mm long.
eBay
Black Narrow Mouth Oxygen Sensor Socket 22mm 1/2" Drive Sensing Socket Wrench Car Repair Tools
Aliexpress UK
M18 x 1.5 can be used with 3/4" hex socket or 3/8" square screwdriver, also works with M18 x 1.5 spark plug threads. The tool has M12 x 1.25 and M18 x 1.5 two size thread chaser. Thread size: M12 x 1.25, M18 x 1.5.
eBay
Universal Car O2-Oxygen Sensor Connector Internal Thread M18x1.5 Bung Adapter P0420 P0430 For OFF
Aliexpress UK
M18 x 1.5 can be used with 3/4" hex socket or 3/8" square screwdriver, also works with M18 x 1.5 spark plug threads. Oxygen O2 Sensor Thread Repair Chaser M18 X 1.5 M12 x 1.25. The tool has M12 x 1.25 and M18 x 1.5 two size thread chaser.
eBay
O2 Sensor Bung Stainless Steel Oxygen Mounting Bungs and Plugs Adapter M18 x 1.5 Thread Notched
Aliexpress UK