Sondes lambda ThunderMax de remplacement pour tous les EFI ThunderMax avec module Autotune

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PN#309-355

ThunderMax replacement 18mm wide-band oxygen sensor for all ThunderMax Performance EFI Modules with AutoTune. Sold Individually.

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This heated wide-band O₂ sensor is specifically designed to work with all ThunderMax Performance EFI Modules featuring AutoTune. It provides accurate and reliable air/fuel monitoring which is essential for tuning in both stock and modified setups. 

Key Features:

ThunderMax replacement wide-band sensor, plug-and-play compatible with ThunderMax modules. 

18 mm bung size: fits standard M18 × 1.5 threaded sensor ports common in many motorcycle exhaust systems. 

Sold individually. 

Ideal for precision tuning: helps your ECM’s AutoTune function accurately by providing a true wide-band signal instead of a narrow-band “rich/lean” switch.

Compatibility & Install Notes:

Designed for use with ThunderMax Performance EFI Modules with AutoTune. 

Requires an 18 mm × 1.5 threaded sensor port in the exhaust header/collector. Ensure your exhaust system has this bung or use an 18 mm weld-in bung.

Sensor must be installed in a location where it reaches normal operating temperature (hot exhaust gases) and has adequate sensor-to-pipe clearance.

During installation: apply anti-seize lightly to sensor threads (avoid contaminating sensor tip). Torque per sensor manufacturer specification.

After installation, clear any tuning faults and allow your AutoTune system to establish a baseline with the new signal.