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Material: High-strength steel: provides long-lasting performance
0L4 Audi A3 2008–2009 2
Part Number AVT0021R OEM Reference 4B0 399 151 M
2V6 Audi A4 Quattro 2005–2009 3
NTK Oxygen Sensor – Downstream for Saab 9-7x (2005) SAE Material: High-strength steel: provides long-lastingThe 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
