![Bosch LSU 4.2 Wideband O2 Sensor (UEGO) with NTK/NGK Connector for NGK Powerdex AFX & Ballenger Motorsports AFR500 Bosch LSU 4.2 Wideband O2 Sensor (UEGO) with NTK/NGK Connector for NGK Powerdex AFX & Ballenger Motorsports AFR500](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/41uxgyga7sL._AC_UF894,1000_QL80_.jpg)
Bosch LSU 4.2 Wideband O2 Sensor (UEGO) with NTK/NGK Connector for NGK Powerdex AFX & Ballenger Motorsports AFR500
![Substitution of Lambda probes - Bimmerprofs.com | NOx emulator NOXEM 129 | 130 | 402 developed for BMW N43 & N53 series engines Substitution of Lambda probes - Bimmerprofs.com | NOx emulator NOXEM 129 | 130 | 402 developed for BMW N43 & N53 series engines](https://bimmerprofs.com/wp-content/uploads/2019/01/lsu_connector.png)
Substitution of Lambda probes - Bimmerprofs.com | NOx emulator NOXEM 129 | 130 | 402 developed for BMW N43 & N53 series engines
![Amazon.com: QFS LSU 4.2 Wideband O2 UEGO Sensor - for Bosch - Replaces - PLX AEM 30-2001 4100 0258007206 Replacement for Automotive, PLX AEM 30-4100 30-2001 4100 17014 0258007206 : Automotive Amazon.com: QFS LSU 4.2 Wideband O2 UEGO Sensor - for Bosch - Replaces - PLX AEM 30-2001 4100 0258007206 Replacement for Automotive, PLX AEM 30-4100 30-2001 4100 17014 0258007206 : Automotive](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51zCNYCeUHL.jpg)
Amazon.com: QFS LSU 4.2 Wideband O2 UEGO Sensor - for Bosch - Replaces - PLX AEM 30-2001 4100 0258007206 Replacement for Automotive, PLX AEM 30-4100 30-2001 4100 17014 0258007206 : Automotive
![Amazon.com: QFS LSU 4.2 Wideband O2 UEGO Sensor - for Bosch - Replaces - PLX AEM 30-2001 4100 0258007206 Replacement for Automotive, PLX AEM 30-4100 30-2001 4100 17014 0258007206 : Automotive Amazon.com: QFS LSU 4.2 Wideband O2 UEGO Sensor - for Bosch - Replaces - PLX AEM 30-2001 4100 0258007206 Replacement for Automotive, PLX AEM 30-4100 30-2001 4100 17014 0258007206 : Automotive](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51-0xyAulsL.jpg)