NGK OE Type 4-Wire A/F Sensor

2013–2016 Scion FR-S, 2013–2020 Subaru BRZ, 2013–2020 Toyota 86

24771

Overview:

The NGK OE Type 4-Wire Air/Fuel (A/F) Sensor is a direct replacement part designed specifically for the Scion FR-S (2013–2016), Subaru BRZ (2013–2020), and Toyota 86 (2013–2020). This sensor plays a critical role in monitoring the air-to-fuel ratio in the exhaust stream, providing precise data to the engine control unit (ECU) for optimal combustion efficiency. Engineered to meet original equipment specifications, the NGK A/F sensor ensures reliable performance, improved fuel economy, and reduced emissions.

Ideal for enthusiasts and daily drivers alike, this sensor maintains the factory calibration of your vehicle’s engine management system, helping to preserve drivability and engine responsiveness. Whether you are replacing a faulty sensor or performing routine maintenance, the NGK OE Type 4-Wire A/F Sensor offers a dependable solution that fits perfectly and functions flawlessly.

Key Features:

Designed with precision and durability in mind, the NGK OE Type 4-Wire A/F Sensor delivers accurate air/fuel ratio readings to support efficient engine operation. Key features include:

• OE Type 4-wire design for precise and stable signal output
• Direct fitment for Scion FR-S (2013–2016), Subaru BRZ (2013–2020), and Toyota 86 (2013–2020)
• High-quality materials resistant to heat and corrosion
• Improved sensor response time for accurate air/fuel monitoring
• Maintains factory emissions standards and engine performance
• Plug-and-play installation with OEM connectors
• Manufactured by NGK, a trusted leader in ignition and sensor technology

Construction & Design:

The NGK OE Type 4-Wire A/F Sensor is constructed using advanced ceramic sensing elements and robust stainless steel housing to withstand the harsh conditions of the exhaust environment. The sensor’s four-wire configuration includes two wires for the heater circuit and two for the sensor signal, ensuring rapid warm-up and accurate measurement even during cold starts. This design enhances durability and longevity, reducing the likelihood of premature failure.

NGK’s commitment to quality is evident in the precise engineering and rigorous testing each sensor undergoes to meet or exceed OEM standards. The sensor’s corrosion-resistant coating and high-temperature insulation contribute to consistent performance over the life of the vehicle.

Installation & Fitment:

Installation of the NGK OE Type 4-Wire A/F Sensor is straightforward and requires no modifications. It is a direct replacement for the factory sensor, utilizing the original mounting location and electrical connectors. This ensures a secure fit and reliable electrical connection, minimizing installation time and effort.

For best results, it is recommended to follow the vehicle manufacturer’s service procedures and torque specifications when installing the sensor. Proper installation helps maintain accurate air/fuel ratio readings and optimal engine performance.

What’s Included

• One NGK OE Type 4-Wire Air/Fuel Sensor (Part #24771)
• Pre-attached OEM-style connector for easy installation
• Installation instructions (where applicable)

Ideal For:

This NGK A/F Sensor is ideal for owners of the Scion FR-S, Subaru BRZ, and Toyota 86 who require a reliable, OEM-quality replacement sensor. It suits daily drivers, performance enthusiasts, and professional mechanics seeking to maintain or restore factory-level engine management accuracy. The sensor is particularly beneficial for vehicles experiencing check engine lights related to air/fuel ratio issues or those undergoing emissions inspections.

NGK is one of the most trusted names in ignition, supplying spark plugs, coils, and related ignition/sensor components used across both OEM and aftermarket applications. For performance enthusiasts, NGK’s plug technology and broad coverage make it a reliable baseline upgrade for consistent spark, cleaner burn, and dependable operation under heat and boost.