M18*1.5 Oxygen Sensor Spacer for CEL Check Engine Light Fix

Check Engine Light Eliminator

If you're dealing with a persistent CEL due to exhaust upgrades, high-flow cats, or sensor faults, this adapter acts as a spacer to reduce the sensor’s exposure to exhaust gases. It helps prevent inaccurate readings that trigger the check engine light, allowing your vehicle to operate smoothly.

Precision Fit and Durable Build

Machined from high-quality stainless steel, the adapter is resistant to heat, corrosion, and vibration. It features a standard M18×1.5 thread that fits most O2 sensors and exhaust systems, ensuring a snug, leak-proof fit for long-term reliability.

Quick, Tool-Friendly Installation

No tuning, wiring, or special tools required. Simply screw the adapter into your existing O2 sensor port, reinstall the sensor, and you’re done. It’s a plug-and-play fix that makes it easy for car enthusiasts and mechanics alike to manage CEL issues.

Product Specifications

• Material: Stainless steel
• Thread Size: M18 × 1.5
• Type: O2 sensor spacer adapter
• Function: Reduces exhaust gas flow to O2 sensor
• Fitment: Universal for most vehicles with standard O2 sensors
• Corrosion Resistant: Yes
• Heat Resistant: Yes
• Installation: Bolt-on, no tuning required

What’s Included

• 1 × Car Oxygen O2 Sensor Adapter (CEL Fix – M18 × 1.5)
• 1 × Washer/Seal (if applicable)

Frequently Asked Questions

Will this fix all check engine lights?
This adapter is specifically designed to help eliminate CEL codes caused by O2 sensor readings, especially after installing high-flow catalytic converters or downpipes.

Is it legal for street use?
Laws vary by location. This adapter is intended for off-road or racing use. Check local emissions regulations before installation.