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This O2 sensor adapter is engineered to eliminate check engine lights (CEL, SES, DTC codes P0420/P0430) triggered by catalytic converter removal or exhaust modifications. Featuring an M18x1.5 thread and a built-in miniature catalytic converter, it delivers reliable, accurate readings. Made from durable SS304 stainless steel, it resists rust and corrosion for long-lasting performance.
✔️ Built-In Miniature Catalytic Converter:
Unlike simple spacer extensions, this adapter houses a real internal catalytic converter. It accurately manages exhaust sensor readings to suppress false fault codes and keep your dashboard warning-free.
✔️ Rust-Resistant SS304 Stainless Steel:
Constructed from premium SS304 and stainless steel filter mesh, this adapter withstands heat, moisture, and road conditions. Its corrosion-resistant build ensures a long service life even under demanding off-road use.
✔️ Easy M18x1.5 Thread Installation:
Simply screw the adapter into your existing O2 sensor bung — no special tools or complex steps needed. The precise threading ensures a snug, secure fit in minutes.
Material: SS304 Stainless Steel & Stainless Steel Filter Mesh
Thread Size: M18x1.5
Weight: 0.088 lbs
Compatible Codes: P0420, P0430, CEL, SES, DTC
Use: Off-Road Only
What fault codes does this adapter resolve?
It is designed to suppress check engine light codes P0420 and P0430, as well as general CEL, SES, and DTC warnings triggered by catalytic converter removal or exhaust modifications.
Is this compatible with my vehicle's O2 sensor bung?
This adapter uses a standard M18x1.5 thread, which fits most vehicles equipped with the same thread specification. Always verify your sensor bung thread size before installation.
Can I use this adapter on public roads?
No — this adapter is designed strictly for off-road use only. Ensure compliance with all local regulations before installing.
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