O2 Bung Mild Steel 18mm Threads

Description

Walker Products Oxygen Sensor Bungs are precision-manufactured OE Replacement components designed to provide a secure, leak-free mounting location for threaded oxygen sensors in automotive exhaust systems. Each bung is engineered to match OE thread pitch, diameter, and material characteristics, ensuring full compatibility with upstream or downstream O2 sensors. Constructed from high-strength, corrosion-resistant steel, these bungs withstand extreme exhaust temperatures, road salt, and vibration. Whether used in exhaust system repairs, custom fabrication, or sensor relocation, Walker O2 Sensor Bungs ensure that the sensor is positioned properly within the exhaust stream—allowing accurate air-fuel ratio readings and emissions system performance. These bungs are suitable for weld-in or replacement applications and support a wide range of sensor types used in gasoline and diesel engines. Trusted by technicians and fabricators, Walker Oxygen Sensor Bungs help maintain emissions compliance, support engine control accuracy, and extend the life of installed sensors.

Features & benefits

• Exact OE Fit: Designed for 100% compatibility with O2 sensor threads to ensure proper alignment and gas exposure.
• Ideal for Fabrication & Repair: Supports sensor replacement, exhaust modifications, or custom sensor installation during emissions service.
• Secure Sensor Mounting: Provides a stable, leak-free threaded port for oxygen sensor installation in exhaust systems.
• OE Replacement Design: Matches original thread pitch, size, and fitment for direct integration with OEM and aftermarket exhaust components.
• Corrosion-Resistant Construction: Manufactured from high-temperature steel alloys for durability in harsh exhaust environments.

Specifications

Warranty

1 Year

Magnuson-Moss Warranty Act

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).