Genuine Bosch Wideband Oxygen Sensor LSU 4.9

Commonly used in the motorsport industry with aftermarket ECU's and dyno's.

625mm Lead Length

Warranty Information:
Using these sensors outside their intended use by Bosch will void the warranty, this includes aftermarket controllers and ECU's. Very few aftermarket controllers and ECU's can control these sensors correctly so the failure rate is very high.

Motec Compatible Part No: #57006

Compatible Part Numbers:
0 281 004 821
0 258 017 052

SKU 135-002
Brand Bosch
Shipping Weight 0.1600kg
MPN: 0 258 017 052

Bosch Oxygen Sensor (O2) LSU 4.9 Wideband

By: on 11 July 2023
Very well priced and great product as bosch always is. Thanks for the fast delivery Adz

Legit Bosch Wideband Sensor

By: on 11 September 2020
Does what it says on the box, genuine Bosch LSU4.9 perfect for your wideband setup.

Oxygen Sensor (O2) LSU 4.9 Wideband - Sniper Holle

By: on 18 February 2019
This sensor works perfectly with the Holley Sniper system and is an easy changeover as the plug type is identical. Excellent customer service and fast shipping make dealing with EFI Solutions a breeze

OE Quality

By: on 16 March 2018
Perfect wideband sensor to go with my Emtron ECU.


By: on 19 February 2018
Legends, works a treat

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