This M18 x 1.5 notched O2 sensor bung is perfect for custom exhaust fabrication and wideband sensor installations. Made from high-quality stainless steel, it offers excellent durability and corrosion resistance under extreme heat and exhaust conditions.

The notched base allows for an easier and cleaner fit to round exhaust tubing, ensuring a strong weld and proper sensor alignment. Ideal for adding or relocating O2 or wideband sensors in performance exhaust systems.

All our stock is kept locally here in Australia for fast dispatch and reliable delivery. We’re a 100% Australian owned and operated company, dedicated to providing high-quality performance parts and exceptional customer service. Shop with confidence knowing your order is shipped from within Australia and backed by local support.For bulk orders or wholesale discount please email sales@jmccustommotorsport.com.au