NTK 21070 Oxygen Sensor - Downstream

Direct-Fit Oxygen Sensor

NTK 21070 is a specific-fit heated oxygen sensor for the downstream position on compatible Chevrolet Orlando applications. It is built as a threaded, direct-fit replacement with OE-style form and function for emissions system service.

• Heated oxygen sensor for faster operating response.
• Specific-fit design for straightforward replacement.
• Threaded mounting type for secure installation.
• 4-wire configuration with an 11-inch harness length.
• 18 mm thread diameter for the listed application.

Application Details

Fits 2012-2014 Chevrolet Orlando, downstream. This NTK oxygen sensor is engineered for the B1S2 location and meets OEM standards for the listed application. The NTK Direct Fit Oxygen Sensor line focuses on application-specific coverage, helping reduce guesswork when replacing emissions sensors on import and domestic vehicles. Part number 21070 is also referenced by interchange number 12631044 for the same application.

What It Is Used For

• Replacing a failed downstream oxygen sensor.
• Addressing check engine light concerns related to oxygen sensor performance.
• Restoring proper air-fuel feedback in the emissions system.
• Correcting wiring or connector mismatch on the listed application.
• Servicing a sensor that no longer meets OEM standards.

Installation Notes and Tips

Verify the downstream mounting location, thread diameter, wire count, and harness length before installation. Use the vehicle’s original sensor routing and connector layout to confirm fitment for the Chevrolet Orlando. Because this is a specific-fit oxygen sensor, matching the application details to the existing part is important before replacement.

Quality Assurance

NTK manufactures oxygen sensors with ceramic technology and extensive production testing to meet or exceed OE specifications. Part number 21070 is backed by NTK’s OE-focused engineering approach and application coverage.