Description: M18x1.5 Thread Mild Steel Hex Bolt Bung Plug For Oxygen Sensor Bung  Specifications: Material:Steel Color: Black Size: As the picture show Quantity: 1 pc   Features: 1.This Mild Steel Bung Plug (Hex Bolt Style) is quality manufactured of Mild Steel、 with Zinc Plating for corrosion resistance. 2.The M18 X 1.5 thread works with standard oxygen sensors. 3.A perfect aftermarket replacement.   Note: Please ensure your current Hex Bolt is the same as this item before your purchase.   Package Included: 1 x Hex Bolt