NTK 24783 Air / Fuel Ratio Sensor

NTK Direct Fit A/F Sensor for Nissan and INFINITI

NTK Part Number 24783 is a direct fit, heated 4-wire air/fuel ratio sensor built for specific upstream applications. It is engineered for OE-style fit, form, and function, with a 15-inch wiring harness and an 18 mm thread diameter for the listed Nissan, INFINITI, and Chevrolet models.

NTK, part number 24783, is part of the NTK Direct Fit 4-Wire A/F Sensor line, created to streamline coverage for import and domestic vehicles while maintaining OE application support. As a sensor-focused brand within the NGK family, NTK manufactures oxygen and air/fuel ratio sensors with ceramic technology controlled from raw material through finished production.

Key Features

• Heated 4-wire air/fuel ratio sensor for precise upstream exhaust monitoring
• Specific-fit design for direct replacement on listed applications
• 15-inch wiring harness for OE-style routing
• 18 mm thread diameter with 0.38 thread length
• Built to meet or exceed OE specifications through manufacturing testing
• No mounting bracket included

Detailed Description

This NTK air/fuel ratio sensor is intended for vehicles that use an upstream sensor to monitor exhaust oxygen content and support fuel control. It is a direct fit replacement for many Nissan and INFINITI applications, including Nissan Altima, Frontier, Sentra, Versa, NV series vans, and INFINITI QX60, QX70, G37, and FX models. It also fits Chevrolet City Express upstream applications. For shoppers searching for a Nissan Altima upstream air/fuel ratio sensor or an INFINITI QX60 Bank 1 Sensor 1 replacement, NTK 24783 matches the listed OE-style configuration.

This part cross-references OE numbers 226931JA0A and 226931KT0A for the same application.

What It Helps Address

• Check engine light related to upstream air/fuel ratio sensor faults
• Incorrect fuel trim readings from a worn or contaminated sensor
• Rough idle or drivability issues tied to inaccurate exhaust feedback
• Emissions test failures caused by sensor response problems
• Replacement needs for OE-equivalent upstream sensor service on listed Nissan and INFINITI vehicles

Installation Notes and Tips

Verify the vehicle year, make, model, and sensor position before ordering. This part is listed for upstream right, upstream left, upstream front, upstream rear, and upstream applications depending on the vehicle. Confirm connector style, thread size, and harness routing against the original sensor before installation. Use proper exhaust sensor service tools and follow the vehicle service manual for torque and connector handling.

Quality Assurance

NTK manufactures oxygen and air/fuel ratio sensors with extensive testing during production to support quality and reliability that meets or exceeds OE specifications. The brand’s OE-focused sensor expertise and ceramic manufacturing control are central to the design of NTK 24783.

• Fits 2013-2018 Nissan Altima, upstream
• Fits 2013-2019 Nissan Frontier, upstream
• Fits 2018-2019 Nissan Sentra, upstream
• Fits 2012-2019 Nissan Versa, upstream
• Fits 2015-2018 Chevrolet City Express, upstream
• Fits 2014-2017 INFINITI QX60, upstream
• Fits 2011-2013 Nissan 370Z, upstream right
• Fits 2011-2013 INFINITI G37, upstream left