NTK 25712 Oxygen Sensor - Upstream

Direct Fit Oxygen Sensor

NTK Oxygen Sensor 25712 is a specific-fit, heated sensor built for upstream air/fuel ratio monitoring. It uses a threaded mounting design and a 4-wire configuration for direct-fit replacement service.

• Heated oxygen sensor for faster operating response.
• Specific-fit design for straightforward application matching.
• Threaded mounting type for OE-style installation.
• 4-wire harness with 13.7500 wiring harness length.
• Fits 2009-2011 Chevrolet Aveo, upstream.
• Fits 2009-2011 Chevrolet Aveo5, upstream.
• Fits 2009-2010 Pontiac G3, upstream.
• Fits 2009-2010 Suzuki Swift+, upstream.
• Fits 2009 Pontiac G3 Wave, upstream.

Application Details

This NTK 25712 oxygen sensor is listed for upstream Bank 1 Sensor 1 applications on the Chevrolet Aveo and Aveo5, plus the Pontiac G3, Pontiac G3 Wave, and Suzuki Swift+. As a direct fit oxygen sensor, it is intended to match the original sensor layout and electrical configuration for these vehicles.

Common Replacement Issues

• Check engine light related to oxygen sensor performance.
• Slow or inaccurate air/fuel ratio feedback.
• Fault codes tied to upstream sensor response.
• Rough idle or drivability concerns caused by sensor degradation.

Installation Notes

Verify the connector, wire count, thread diameter, and upstream location before installation. Confirm the vehicle uses the listed Bank 1 Sensor 1 application for the Chevrolet Aveo, Aveo5, Pontiac G3, Pontiac G3 Wave, or Suzuki Swift+ before replacing the part. Part number 25712 should be matched to the original sensor specification during service.

Quality Assurance

NTK is part of the NGK family of products and is a major original equipment oxygen sensor supplier. NTK 25712 oxygen sensors are manufactured and tested to meet or exceed OE specifications for fit, form, and function. Part number 25712 is supported by NTK's OE-focused application coverage and manufacturing controls.