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ProSport Bosch Wideband LSU 4.2 5 Wire O2 Sensor (Part Number: )
ProSport Bosch Wideband LSU 4.2 5 Wire O2 Sensor (Part Number: )
ProSport Bosch Wideband LSU 4.2 5 Wire O2 Sensor (Part Number: )
ProSport Bosch Wideband LSU 4.2 5 Wire O2 Sensor (Part Number: )
ProSport Bosch Wideband LSU 4.2 5 Wire O2 Sensor
Read 1 Reviews | 3 Q&As
Part # BOSCH 17014
msrp: $71.00

In stock! Ships same day
Universal part

Features & Product Details

This is the replacement O2 sensor for the PLX, as well as the Innovate Systems (LM-1 or LC-1). However this can be a simple replacement for certain applications stock wideband O2 sensor. 

This is a 5-wire sensor that reads oxygen in the same way as your typical O2 sensor, however it employs the latest “planar” onstruction with a special two-part sensing element to measure how much oxygen is in the exhaust. The Bosch LSU 4 wideband oxygen sensor has a response time of less than 100 milliseconds to changes in the air/fuel mixture, and reaches operating temperatures of 700 to 800 degree Centigrade within 20 seconds or less with it’s built-in heater. This is about twice the operating temperature of a regular oxygen sensor.This is the Bosch LSU 4.2 5 wire heated O2 sensor.

Bosch Part # 17014
Innovate Part # 3737


Brand: ProSport
Model Specific: No
OEM Replacement: Yes
Mfgr. Warranty: 1 Year Limited
Condition: New Product
Return Policy:

RallySport Guarantee - 30 Days

Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
RallySport Guarantee



1 Reviews
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Good quality  3 months ago
5out of 5stars

Good quality and working fine
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  • Q: Wideband 02  Joe10 months ago

    Why does it say under the description- OEM replacement....when it isn't
  • Q: Wideband o2 sensor  Nathanjentes19972 years ago

    Will this replacement fit the plug I have from my glowshift afr gauge?
  • Q: This sensor is for front or rear?  Roomi3 years ago

    • 0 of 0 people found the following answer helpful

      A:  This will not replace your factory O2 sensors. It is meant to be run with an AFR gauge and should not be used as an OEM replacement.

      Josh P. @ RallySport Direct 3 years ago  
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This Part Fits

Universal Product
This item is non application specific.
Please verify compatibility before purchase. May require some modification for proper installation.