TechEdge Bosch LSU Wideband O₂ Sensors – LSU 4.0, 4.2 & 4.9

TechEdge Bosch LSU Wideband O₂ Sensors – LSU 4.0, 4.2 & 4.9

Genuine Bosch LSU wideband oxygen sensors for use with compatible TechEdge wideband controllers and aftermarket ECU systems. Bosch LSU sensors provide accurate air-fuel ratio (AFR) and lambda measurement for dyno tuning, motorsport, performance street vehicles, engine conversions and data logging applications.

TechEdge controllers are specifically designed around Bosch LSU technology, ensuring the correct heater control strategy and sensor operating conditions are maintained for optimum accuracy and sensor life.

Available Sensor Options

Bosch LSU 4.0 – 0 258 006 066

• 300 mm (12″) lead length
• GM Part Number: 24450850
• Fast response open-head design
• Suitable for compatible TechEdge controllers

Bosch LSU 4.2 – 0 258 007 057

• 600 mm (24″) lead length
• Audi/VW Part Number: 021 906 262 B
• Proven performance and reliability
• Ideal for most petrol tuning applications

Bosch LSU 4.2 – 0 258 007 200

• 500 mm (20″) lead length
• Updated version of the 7 057 sensor
• Improved durability
• Recommended replacement for 7 057 where supported

Bosch LSU 4.9 – 0 258 017 123

• 330 mm (13″) lead length
• Latest Bosch sensor technology
• Improved accuracy and long-term stability
• Commonly used with TechEdge 2J9 and modern wideband systems

Bosch LSU 4.9 – 0 258 017 025

• 830 mm (33″) lead length
• Extended cable version of the 17 123 sensor
• Excellent for diesel and lean-burn applications

Features

✔ Genuine Bosch quality
✔ Accurate AFR and Lambda measurement
✔ Suitable for dyno tuning and motorsport applications
✔ Fast sensor response and excellent repeatability
✔ Compatible with selected TechEdge wideband controllers
✔ Multiple lead lengths available to suit different installations

Important Compatibility Information

These sensors are not universally interchangeable. Please confirm your wideband controller supports the selected Bosch LSU sensor before purchasing. Using the incorrect sensor may result in inaccurate readings or damage to the controller.

Package Includes

• 1 × Genuine Bosch Wideband Oxygen Sensor (selected variant only)

Note: Sensor calibration and compatibility are determined by the wideband controller manufacturer. Refer to your controller documentation before installation.