NTK 24159 Oxygen Sensor - Downstream

Direct-Fit Oxygen Sensor

NTK Direct Fit Oxygen Sensor 24159 is a specific-fit, heated oxygen sensor built for direct replacement service. It is engineered for the exhaust stream and uses a threaded mounting design with a 4-wire configuration for straightforward OE-style service.

Key Features

• Heated oxygen sensor for responsive exhaust monitoring
• Specific-fit design for direct replacement applications
• Threaded mounting type for secure installation
• 4-wire configuration with a 16.73 wiring harness length
• 18.000 thread diameter for the listed application

Detailed Description

NTK 24159 is a direct fit oxygen sensor from the NTK Direct Fit Oxygen Sensor line, built to match the form and function expected in OE-style emission control service. NTK is part of the NGK family of products and is known for oxygen sensor manufacturing across import and domestic applications. This sensor is listed for 2015-2019 Toyota Yaris downstream use, making it a fitment-specific choice for Toyota Yaris exhaust sensor replacement work. The part cross-references 8946552770 for the same application.

What It Is Used For

• Replacing a worn or failed downstream oxygen sensor
• Restoring accurate exhaust gas feedback to the engine management system
• Addressing oxygen sensor fault codes tied to the listed application
• Correcting drivability issues related to improper air-fuel monitoring

Installation Notes and Tips

Confirm the downstream position and threaded mounting style before installation. Verify connector and harness length against the original sensor on the vehicle. Use the listed fitment details for 2015-2019 Toyota Yaris applications to confirm compatibility before service.

Quality Assurance

NTK states that these oxygen sensors are extensively tested during manufacturing and built to meet or exceed OE specifications. The brand also emphasizes OE application technology and broad market coverage for import and domestic vehicles.