The NTK Oxygen Sensor (Part 21044) is a downstream replacement for Saab 9-7x 4.2L6 vehicles (2005). It accurately measures exhaust oxygen levels to adjust the fuel-to-air ratio, delivering improved performance, fuel efficiency, and lower emissions.
Key Features & Benefits
- Reliable Performance: Engineered for consistent operation over long service life.
- Accurate Adjustments: Helps maintain optimal air-fuel ratio for maximum engine efficiency.
- Reduced Emissions: Contributes to cleaner exhaust output.
- Easy Installation: Direct-fit design with OE-style connector for hassle-free setup.
- Durable Build: Resistant to heat and vibration for lasting durability.
Vehicle Fitment
| Make | Model | Years | Engine |
|---|---|---|---|
| Saab | 9-7x | 2005 | 4.2L6 |
Technical Specifications
| Part Number | 21044 |
| Type | Downstream Oxygen Sensor |
| Position | Downstream |
Installation Notes
Plug-and-play installation; no modifications or special tools required.
About NTK
NTK, a division of NGK Spark Plugs, is a leading manufacturer of oxygen sensors known for OE-quality replacement parts.
This part also goes by the following cross reference.
Cross Reference Part Number:
Fits These Vehicles
| Make | Model | Engine | Years |
|---|---|---|---|
| Saab | 9-7x | 4.2L6 | 2005–2005 |