Universal Oxygen (O2) Sensor Spacer / Defouler – M18 x 1.5 Thread
Optimize Your Exhaust Setup the Right Way
Working on a custom or high-flow exhaust system? Our O₂ Sensor Spacer is engineered for off-road, racing, and diagnostic testing use only.
It assists with sensor positioning and diagnostic evaluation of readings such as P0420 and P0430 when tuning or testing modified exhaust configurations.
Crafted from high-grade stainless steel with precision M18 x 1.5 threads, this spacer repositions the O₂ sensor to help reduce exhaust turbulence and ensure accurate diagnostic data.
Installs in minutes — no cutting, welding, or special tools required.
⚠️ Not for use on public roads or emission-controlled vehicles. Always check local laws and regulations before purchase or installation.
✅ Key Features:
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Universal Fit: M18 x 1.5 thread fits most O2 sensors and aftermarket exhaust setups (works with Honda, Toyota, Ford, BMW, and more)
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Eliminates CEL Codes: Helps reduce P0420/P0430 after cat deletes or performance exhaust mods
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Built to Last: Corrosion-resistant stainless steel holds up under extreme heat and pressure
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Fast Installation: Thread it in — no special tools or mods required
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Performance-Ready: Ideal for setups with high-flow cats, failing catalytic converters, race headers, or test pipes
⚠️ For off-road and racing use only. Always check local emissions laws before use on public roads.
Universal Oxygen (O2) Sensor Spacer / Defouler – M18 x 1.5 Thread
Why Choose Our Spacer?
Not all O₂ sensor spacers are created equal.
At Ghaly Motor Parts, every spacer is built from durable, high-grade materials, designed for easy installation and long-lasting reliability.
Trusted by both DIY enthusiasts and professional mechanics, our adapters are engineered to assist with diagnostic testing and sensor placement related to P0420 and P0430 readings in off-road, racing, or controlled testing environments.
⚠️ For off-road, racing, or diagnostic testing use only. Not legal for use on public roads or emission-controlled vehicles. Always check local laws and regulations before purchase or installation