Universal O₂ Sensor Spacer for cars

Say goodbye to persistent check engine lights with the Universal O₂ Sensor Spacer, designed to help optimize exhaust readings and reduce false error signals. This precision-engineered adapter is built to restore smoother engine performance while preventing unnecessary CEL triggers.

Eliminate Unwanted Check Engine Alerts

Our O₂ sensor spacer minimizes incorrect readings from aftermarket exhausts or high-flow catalytic converters. It ensures your engine control unit interprets exhaust values correctly, maintaining optimal air-fuel ratios and consistent performance.

Built-In Mini Catalytic Chamber

Featuring a micro catalytic filter core, the adapter supports improved exhaust gas readings and stability. This feature helps prevent the engine warning light from appearing unnecessarily after exhaust modifications.

Premium Stainless-Steel Construction

Crafted from solid 304-grade stainless steel, the spacer resists corrosion, heat, and impact — ensuring long-lasting reliability even in extreme temperature conditions. Each unit is CNC-machined for precision threading and leak-free performance.

Quick Installation – M18×1.5 Universal Fit

The M18×1.5 threaded design fits most vehicles equipped with O₂ sensors. Simply screw it into your existing port, reattach your sensor, and you’re done — no modifications or specialized tools needed.

⚠️ Important Notice

This product is intended for off-road and diagnostic use only. It is not designed for or approved under on-road emissions compliance. Please ensure proper local compliance before installation.

Product Specifications

Material: 304 Stainless Steel
Thread Size: M18×1.5
Filter Type: Miniature catalytic honeycomb
Resistance: Heat, corrosion & vibration
Fitment: Universal O₂ sensor-compatible vehicles
Usage: Diagnostic & off-road applications

Package Includes

• 1 × O₂ Sensor Spacer Adapter
• 1 × Sealing Washer