O2 Sensor Adapter Stainless Steel Oxygen Extension With Hex Base And Threaded Fitting For Exhaust System Modification
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Connect your oxygen sensor with a secure, corrosion-resistant fit
o2 sensor adapter is a durable, stainless steel extension designed to modify oxygen sensor fitment in exhaust systems. This oxygen sensor adapter features a threaded M18*1.5 connection and a hexagonal base for easy installation with standard tools. Constructed from high-quality SS304 stainless steel, it resists rust and corrosion, ensuring long-term reliability. The o2 sensor extension includes a filter mesh at the tip to protect internal components while maintaining accurate readings.

A customer favourite — This stainless steel O2 sensor adapter with a built-in mini catalytic converter effectively eliminates check engine lights after exhaust modifications.
Popular choice with fast dispatch — Ordered today, dispatched within 24–48 hours.
Why You’ll Love This O2 Sensor Adapter
- Built-in Mini Cat A miniature catalytic converter inside the adapter helps filter exhaust gases to prevent the check engine light from turning on after exhaust modifications.
- Corrosion-Resistant Build Constructed from SS304 stainless steel with a stainless steel filter mesh, this adapter resists rust for long-lasting performance in harsh under-vehicle conditions.
- Simple M18 Threading The M18*1.5 thread size screws directly into your exhaust system for a secure, no-hassle installation without special tools.
- Lightweight Design Weighing just 40 grams, the adapter adds minimal mass to your exhaust setup while providing reliable sensor fitment.
Perfect For
- Exhaust Modifications After installing a new exhaust system or deleting a catalytic converter, this adapter helps clear the check engine light.
- Sensor Fitment Issues Useful when an oxygen sensor threading needs to be extended or repositioned for a proper connection.

Specifications
- Product type: O2 sensor adapter
- Material: SS304 stainless steel and stainless steel filter mesh
- Thread size: M18 x 1.5
- Weight: 40 g
- Design: Integrated mini catalytic converter
What's in the Box
- 1 x Car O2 Sensor Adapter
Your o2 sensor adapter delivers a dependable fix for that persistent check engine light after exhaust modifications, thanks to its built-in mini catalytic converter and durable SS304 stainless steel construction. Simply screw the M18*1.5 threaded fitting into place for a straightforward installation that gets you back on the road without distractions. Install your adapter and drive with confidence today.
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