J.C. Whitney JRM96090006 Downstream Heated Oxygen Sensor OEM Replacement

The J.C. Whitney JRM96090006 is a downstream, heated OEM replacement oxygen sensor designed for Mercedes-Benz ML-Class and GL-Class vehicles. This O2 sensor installs in the post-catalytic converter (downstream) position and features a symmetrical design where the right-hand and left-hand sensors are interchangeable (RH=LH), simplifying the replacement process.

The oxygen sensor — also referred to as an O2 sensor or lambda sensor — monitors exhaust gas oxygen content after the catalytic converter, providing feedback to the engine control unit (ECU) to help maintain optimal engine performance and emissions compliance. A faulty downstream O2 sensor can trigger a check engine light and negatively impact fuel efficiency.

Key Features:

• Downstream (post-catalytic converter) position — Bank 1 Sensor 2 / Bank 2 Sensor 2
• Heated sensor element — reaches operating temperature quickly for fast, accurate readings
• Symmetrical fitment (RH = LH) — one part number covers both driver and passenger side positions
• OEM replacement design — engineered to meet original equipment specifications
• Threaded mounting — direct-fit installation into existing exhaust bung

This sensor is a direct OEM-style replacement built to restore proper exhaust monitoring and emissions system function.