When you’re running a Honda 3.5 setup with a custom harness and ECU, the right O2 sensor isn’t optional, it’s required. This MMS Bosch O2 Sensor is the exact unit designed to work with Marked Motorsports harness and computer kits, ensuring proper readings and engine performance.
It’s a direct, no-guesswork solution so you’re not chasing compatibility issues or dealing with incorrect sensor data that can affect tuning and drivability.
Key features
Bosch O2 sensor for reliable performance
Designed specifically for MMS harness and ECU setups
Ensures accurate air/fuel readings
Direct replacement / required component
tips & Notes
Required for use with Marked Motorsports harness and computer kit
Not intended as a universal replacement without MMS system compatibility
Designed to ensure proper engine management and tuning functionality
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