Vauxhall Zafira NOx Sensor & Control Unit 55485442 / LW5442S / 5WK97247 OEM

Product Description

Genuine NOx Sensor with Integrated Control Module for Vauxhall / Opel Zafira diesel models.
This unit — part numbers 55485442, LW5442S, and 5WK97247 — monitors Nitrogen Oxides (NOx) in the exhaust system and communicates with the ECU to regulate the SCR/AdBlue system, maintain emissions compliance, and ensure efficient engine operation.

A faulty NOx sensor often causes:

AdBlue system warnings
Reduced power / limp mode
Poor fuel economy
Emission system fault lights

This OEM sensor restores correct functionality and stable driving performance.

Compatibility Table

Vauxhall / Opel

Model	Engine	Year Range	Part Numbers
Zafira / Zafira Tourer	2.0 CDTi Diesel	2011–2017	55485442 / 5WK97247 / LW5442S
Astra (select models)	2.0 CDTi	Match part number	5WK97247
Insignia (some variants)	2.0 CDTi	Match part number	55485442

(Always check your original NOx sensor number before purchase — Opel/Vauxhall uses multiple versions.)

Features

Genuine OEM NOx Sensor with control module
Continental / VDO series (5WK97247)
Ensures accurate NOx measurement for SCR/AdBlue systems
Helps prevent limp mode and emissions faults
High temperature–resistant probe design
Direct plug-and-play replacement for matching part numbers

Condition

Used OEM part
Fully tested and in excellent working condition
Clean connectors and intact wiring

Installation Notes

After installation:
- Clear NOx/SCR fault codes
- Some vehicles may require sensor initialization/adaptation
Fitment position: usually downstream NOx sensor on the exhaust system

SEO Tags / Keywords

Vauxhall Zafira NOx Sensor, Opel Zafira 55485442, 5WK97247 NOx Control Module, LW5442S, VDO NOx Sensor Opel, Zafira Tourer Diesel NOx Sensor, SCR Emission Sensor GM Diesel, OEM NOx Sensor 2.0 CDTi

Key features

Genuine OEM NOx Sensor with control module
Continental / VDO series (5WK97247)
Ensures accurate NOx measurement for SCR/AdBlue systems
Helps prevent limp mode and emissions faults
High temperature–resistant probe design
Direct plug-and-play replacement for matching part numbers

Compatibility Table

Shipping, returns and warranty

Worldwide shipping with tracking
30-day returns on unused, uninstalled parts
90-day limited warranty against defects

Send us your VIN and we confirm fitment before shipping. See our shipping policy and return policy.

Nox Sensor

55485442 Vauxhall Zafira NOx Sensor LW5442S Control Module 5WK97247 – Continental