Ensure Accurate Readings with a 24″ O2 Sensor Extension Harness

🔥 Keep Your Mercedes Performance Dialed In – 24″ O2 Sensor Extension Harness

Upgrading to long tube headers? Relocating your O2 sensors? Don’t risk check-engine lights or inaccurate readings. This high-performance 24″ O2 Sensor Extension Harness gives you the extra reach you need—without sacrificing accuracy or reliability. Built for serious enthusiasts who demand OEM-level fit and race-proven durability.

Perfect for performance exhaust upgrades, this harness extends your rear (post-cat) O2 sensor wiring by a full 24 inches, ensuring your emissions monitoring stays precise no matter where your sensors are mounted.

🏁 Key Features & Benefits:

• 24″ Extension: Ideal for O2 sensor relocations—especially when installing long tube headers.
• Wide Compatibility: Fits most 1996–2016 Mercedes-Benz E-Class, CLS-Class, S-Class, SL-Class, CL-Class, SLK-Class, C-Class, and CLK-Class models.
• Exclusion: Not compatible with G-Class models.
• Rear O2 Sensor Specific: Designed for post-cat oxygen sensors for accurate emissions readings.
• Track-Proven Durability: Heat- and abrasion-resistant construction built for extreme undercar conditions.
• Plug & Play: Direct-fit connectors—no cutting, splicing, or wiring guesswork.
• Confidence Backed: 1-Year Replacement Warranty included.

⚙️ Installation Notes:

Most Mercedes models require two harnesses for the rear O2 sensors. Sold individually—order the correct quantity for your setup. Installation is quick: connect to your existing O2 sensor wiring, route securely, and keep away from hot exhaust components and moving parts for maximum lifespan.

Whether you’re chasing horsepower or refining your custom exhaust setup, this O2 Sensor Extension Harness is the no-compromise solution for keeping your emissions system happy while unlocking performance potential.

💥 Order now—keep your O2 sensors connected, accurate, and ready for whatever you throw at them!