Bosch 4.2 Sensor
This is a genuine Bosch LSU 4.2 wideband oxygen sensor (part# 0 258 007 057). 5-wire configuration with built-in calibration resistor and M18 x 1.5 thread.
Standard sensor supplied with MaxxECU Premium kits.
What’s Included:
– Genuine Bosch LSU 4.2 wideband oxygen sensor
Specs:
– Genuine Bosch wideband oxygen sensor – Part Number: Bosch 0 258 007 057
– 5-wire configuration with built-in calibration resistor
– M18 x 1.5 thread for universal fitment
– Measurement Range: Lambda 0.65 to 2.0 (AFR 10:1 to 20:1)
– Fast response time for real-time tuning applications
– OEM-quality construction and reliability
– Operating Temperature: Up to 980°C (1796°F)
Compatible With:
Works with Link ECU, Haltech, MaxxECU, Motec, AEM, and all major wideband controllers.
Installation:
While this is designed for ease of installation, proper automotive electrical practices should be followed.
Ensure all connections are secure and properly protected from environmental factors.
Mount O2 sensors in the top half of the exhaust pipe to improve longevity. Fits standard M18 x 1.5 exhaust bungs.
NZ Wiring Stock: We list the item’s we stock in Petone, Wellington











