Exoracing O2 Sensor Plug M18x1.5 304 Stainless Steel

A threaded blanking plug for unused M18x1.5 lambda/O2 sensor ports. CNC-machined from 304 stainless steel, it measures 20mm long and 22mm across with a 19mm hex head, and weighs 40g. Being a removable threaded plug, the sensor port can be used again later if needed.

• M18x1.5 thread, the common thread used on many narrowband and wideband lambda sensor ports.
• CNC-machined 304 stainless steel for corrosion resistance and long-term exhaust use, suitable for harsh exhaust environments where heat, moisture and corrosion are common problems.
• 20mm long, 22mm wide and 40g, with a 19mm hex head — worth checking against the space around your sensor boss.
• Blocks off unused lambda and O2 sensor ports and helps prevent exhaust leaks from them.
• Said to be useful for aftermarket exhausts, decats, downpipes, test pipes and custom fabrication work.

Check before you order

• For M18x1.5 threaded lambda/O2 sensor ports only; check the exhaust sensor boss thread before ordering
• Ideally used with a stainless steel boss for best long-term compatibility

Specifications from Exoracing

Fitting notes from Exoracing

• Torque setting: Torque to 40 to 60Nm where access allows
• Fitting condition: Use on a cold exhaust only; allow the exhaust system to cool fully before starting work
• Professional installation: Simple service item, but professional installation is recommended if access is difficult or the exhaust threads are damaged
• Post-fitting check: Start the vehicle and check the area for exhaust leaks once fitted
• Damaged threads: Do not force the plug if the threads are damaged or dirty

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