NTK Oxygen Sensor – Upstream for Saab 9-7x (2005)

The NTK Oxygen Sensor (Part 21054) is an upstream replacement for Saab 9-7x 4.2L6 vehicles (2005). It monitors exhaust oxygen before the catalytic converter to help the engine management system maintain the ideal air-fuel ratio, boosting fuel efficiency and lowering emissions.

Key Features & Benefits

• Accurate Readings: Provides consistent, reliable data for optimal engine tuning.
• Durable Design: Resistant to heat, vibration, and contamination for long life.
• Improved Performance: Helps maintain engine power and responsiveness.
• Quick Installation: Direct fit with OE-style connector for straightforward swap.
• Emissions Reduction: Supports cleaner exhaust output and compliance.

Vehicle Fitment

Technical Specifications

Installation Notes

Direct replacement; connect the factory harness and torque to spec.

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: