NTK Oxygen Sensor – Downstream for Saab 9-7x (2006)
We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.
We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.
The NTK Oxygen Sensor (Part 21023) is a downstream replacement designed for Saab 9-7x 4.2L6 vehicles (2006). It monitors exhaust oxygen content to help the engine computer adjust fuel delivery, resulting in improved fuel economy, reduced emissions, and smooth performance.
| Make | Model | Years | Engine |
|---|---|---|---|
| Saab | 9-7x | 2006 | 4.2L6 |
| Part Number | 21023 |
| Type | Downstream Oxygen Sensor |
| Position | Downstream |
Factory connector matches existing harness; installation takes under 30 minutes.
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:
| Make | Model | Engine | Years |
|---|---|---|---|
| Saab | 9-7x | 4.2L6 | 2006–2006 |