This Allstar Performance oxygen sensor plug has an 18mm x 1.50 male thread with a hex head for installation, made from zinc oxide-coated steel. It is used to block off an unused O2 sensor bung.
Spec Sheet: Allstar Spec Sheet
Compatibility
Universal 18mm O2 sensor bung plug, fits any 18mm x 1.50 threaded oxygen sensor bung.
FAQ
What thread size is the ALL34150 O2 sensor plug?
The ALL34150 has an 18mm x 1.50 male thread.
What is the ALL34150 used for?
The ALL34150 is used to plug an unused oxygen sensor bung on an exhaust pipe or header.
What material is the ALL34150 made from?
The ALL34150 is made from steel with a zinc oxide finish.
How is the ALL34150 installed?
The ALL34150 has a hex head, allowing it to be threaded into the O2 sensor bung with a wrench.

