O2 Nut: 18 MM Weld Coupling for HEGO Sensor

O2 Nut: Weld Collar for HEGO Sensor, 18mm X 1.5 threaded and weldable. (00031030)

The Compliance Controls 02 Nut is constructed of 304 stainless steel and machined to a 18 mm x 1.5P threads for the sensor. 
The face of the coupling has a 125 RMS finish to allow for a proper gasket seal. 
This fitting can be welded to the exhaust pipe over a 3/4" hole which will allow the HEGO sensor thimble to be exposed to the exhaust flow at an optimum depth. 
Do NOT weld this to cast iron with standard welding procedures.

For California customers: Prop 65 WARNING: This product may have been manufactured with or uses components that can expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.p65warnings.ca.gov.