Silence Your Check Engine Light for Good — Drive with Total Confidence

That persistent check engine light after an exhaust mod or catalytic converter removal doesn't have to haunt every drive. This O2 Sensor Adapter features a built-in miniature catalytic converter that tackles the root cause — not just the symptom. The result: error codes like P0420 and P0430 are effectively cleared, giving you a clean dashboard and a stress-free ride.

Benefits of the O2 Sensor CEL Fix Adapter

• True mini catalytic converter: Unlike risky spacer extensions, this adapter houses a real built-in catalytic converter for accurate, reliable CEL elimination.
• Clears P0420 & P0430 codes: Directly addresses the most common post-cat oxygen sensor error codes triggered after exhaust modifications.
• Rust & corrosion resistant: Constructed from SS304 stainless steel and a stainless steel filter mesh for lasting durability under demanding conditions.
• Fast and simple installation: M18x1.5 thread screws directly into your existing bung — no special tools or complex steps required.
• Lightweight design: Weighs only 0.088 lb, adding virtually no extra load to your exhaust system.

Specifications

• Material: SS304 stainless steel with stainless steel filter mesh
• Thread size: M18x1.5
• Built-in feature: Miniature catalytic converter
• Weight: 0.088 lb
• Compatibility: Post-O2 / downstream oxygen sensor bung
• Error codes addressed: P0420, P0430 (CEL, SES, DTC)
• Use: Off-road use only

What's in the Box?

• O2 sensor adapter: 1x M18x1.5 CEL fix adapter with built-in mini catalytic converter