HomeEmission Control > SensorsNTK 22143 Oxygen Sensor - Downstream Left
Part #: 22143

NTK 22143 Oxygen Sensor - Downstream Left

Direct Fit Oxygen Sensor, Downstream Left
4 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Direct Fit Oxygen Sensor, Downstream Left
Fitment: Ford, Transit-150, Transit-250, Transit-350, and Transit-350 HD
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Direct Fit Oxygen Sensor for Transit Vans

NTK 22143 is a direct fit heated oxygen sensor for specific Ford Transit applications. It is built for the downstream left B2S2 location on select 2015 Transit-150, Transit-250, Transit-350, and Transit-350 HD models, with OE-style fit, form, and function.

Key Features

  • Specific-fit oxygen sensor for direct replacement service
  • Heated sensor design for faster operating temperature
  • 4-wire configuration with 11.0 in. wiring harness length
  • Threaded mounting with 18.000 mm thread diameter
  • Built for downstream left placement on select Ford Transit vans
  • NTK part number 22143 for catalog and service matching

Product Details

NTK 22143 is part of the Direct Fit Oxygen Sensor line, which focuses on application-specific replacement parts for import and domestic vehicles. NTK uses ceramic sensor technology developed from raw material through finished product control, supporting consistent sensor construction and OE-style performance. This oxygen sensor is listed for 2015 Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD models in the downstream left position, specifically for the B2S2 location. This part cross-references DENSO Auto Parts 234-4489 for the same application.

Common Issues This Sensor May Address

  • Check engine light related to oxygen sensor performance
  • Incorrect downstream exhaust gas feedback readings
  • Fault codes tied to the B2S2 sensor location
  • Slow sensor response from a worn heated oxygen sensor
  • Emissions monitoring problems on Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD

Installation Notes and Tips

Verify the downstream left B2S2 location before installation and confirm the connector, thread size, and harness length match the original sensor. This NTK 22143 oxygen sensor uses a threaded mounting style and a 4-wire heated design, so proper routing and secure connection are important for reliable operation. Confirm vehicle application by year, model, and position before replacement.

Quality Assurance

NTK is a major original equipment oxygen sensor manufacturer with extensive manufacturing controls and testing to help meet or exceed OE specifications. The Direct Fit Oxygen Sensor line is built to support accurate replacement on specific applications such as the 2015 Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD.

BrandNTK
Part Number22143
PositionDirect Fit Oxygen Sensor, Downstream Left
Wiring Harness Length11.0
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Thread Diameter18.000
Mounting TypeThreaded

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015FordTransit-1503.7LV6Downstream LeftReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
2015FordTransit-2503.7LV6Downstream LeftReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
2015FordTransit-3503.7LV6Downstream LeftReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
2015FordTransit-350 HD3.7LV6Downstream LeftReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

234-4489CK4Z9G444D

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.