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Stainless Steel Catalytic Converter Adapter - M18X1.5 Stainless Steel,Solves P0420/P0430 Codes

<ul><li>Durable SS304 Stainless Steel Build​
Constructed from high-grade SS304 and stainless steel, this adapter resists corrosion, high temperatures, and wear, ensuring long-term reliability in harsh exhaust system environments—ideal for off-road use.</li><li>Precise Size & Thread Specifications​
Features a hexagonal size of 23 mm, length of 50 mm, and M18*1.5 thread, ensuring a secure fit with compatible oxygen sensors and exhaust systems for seamless integration.</li><li>Built-in Micro Catalytic Converter​
Integrates a genuine micro catalytic converter that prevents annoying engine check lights (CEL/DTC) triggered by exhaust modifications, catalytic converter removal, or high-flow catalytic converter installation.</li><li>Resolves Common Error Codes​
Tricks the ECU into detecting a functional catalytic converter, eliminating error codes like P0420 (system efficiency below bank 1 threshold) and P0430 (system efficiency below bank 2 threshold).</li><li>Flexible Packaging Options​
Available in 1-pack (for single-vehicle use or spares) and 5-pack (ideal for workshops, multiple vehicles, or bulk needs), offering value for both DIY enthusiasts and professionals.</li></ul>

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Upgrade your vehicle’s exhaust system with this high-performance oxygen sensor thread adapter, engineered to solve check engine light issues during modifications. Crafted from SS304 and stainless steel, it’s built to withstand extreme temperatures, vibrations, and corrosion—making it a durable choice for off-road adventures and daily use.​
With precise dimensions (23 mm hexagonal size, 50 mm length) and M18*1.5 threading, it fits seamlessly with standard oxygen sensors, ensuring a secure connection without leaks. Its standout feature is the built-in micro catalytic converter, which outperforms unreliable extensions: when you modify your exhaust, remove the catalytic converter, or install a high-flow version, this adapter fools the ECU into thinking the original catalytic converter is still active. This prevents check engine lights and resolves error codes like P0420 and P0430, keeping your vehicle running smoothly.​
Installation is straightforward, making it suitable for both professionals and DIYers. Choose the 1-pack for a single vehicle or spare, or the 5-pack for workshops, fleets, or multiple projects—either way, you’ll get reliable performance and peace of mind.​
Package includes 1 or 5 oxygen sensor adapters (depending on your choice). Add this essential accessory to your toolkit and enjoy hassle-free exhaust modifications.​