HomeEmission Control > SensorsNTK 24294 Oxygen Sensor - Downstream
Part #: 24294

NTK 24294 Oxygen Sensor - Downstream

Direct Fit Oxygen Sensor, Downstream
9 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Direct Fit Oxygen Sensor, Downstream
Fitment: Scion and Toyota, xA, xB, and Echo
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of NTK Direct Fit Oxygen Sensor 24294

The NTK Direct Fit Oxygen Sensor 24294 is designed specifically for select Toyota and Scion models, including the Echo, xA, and xB. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

  • Heated sensor type for faster response times
  • Specific fit for Toyota Echo, xA, and xB, and Scion models
  • 16.25-inch wiring harness length for precise installation
  • Threaded mounting type with 18mm thread diameter
  • Four-wire configuration for reliable signal transmission

Detailed Product Features and Specifications

The NTK 24294 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its specific fitment ensures compatibility with Toyota Echo, xA, and xB models as well as Scion vehicles, providing a direct replacement without modification. The sensor includes a 16.25-inch wiring harness, which offers sufficient length for straightforward installation. The threaded mounting type with an 18mm diameter matches OEM specifications, ensuring a secure and proper fit. The four-wire design supports both the sensor signal and heater circuit, maintaining consistent performance under various driving conditions.

About the NTK Direct Fit Oxygen Sensor Line

The Direct Fit Oxygen Sensor line by NTK is engineered to provide exact replacements for factory-installed sensors. This product line focuses on delivering sensors that meet or exceed OEM standards for fit, form, and function. The 24294 sensor is part of this line, offering a precise fit and reliable operation for emission control systems in compatible Toyota and Scion vehicles.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper air-fuel mixture control
  • Helps resolve engine performance issues related to faulty sensors
  • Reduces emissions by ensuring correct sensor feedback to the ECU
  • Prevents check engine light triggers caused by sensor failure
  • Improves fuel economy by maintaining optimal combustion

Installation Notes and Tips

When installing the NTK 24294 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the wiring harness length and connector match the vehicle’s harness before installation. Thread the sensor by hand initially to avoid cross-threading, then tighten to the manufacturer’s torque specifications. It is recommended to inspect the sensor wiring and connectors for damage during replacement.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The Direct Fit Oxygen Sensor 24294 is backed by NTK’s quality assurance protocols. Please refer to NTK’s official warranty terms for specific coverage details.

BrandNTK
Part Number24294
PositionDirect Fit Oxygen Sensor, Downstream
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter18.000
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length16.2500

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006ScionxA1.5LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2006ScionxB1.5LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2005ScionxA1.5LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2005ScionxB1.5LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2005ToyotaEcho1.5LL4DownstreamB1S2; w/OE # 89465-52200; OE MFR: NTK; Direct Fit Oxygen Sensor
2004ScionxA1.5LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2004ScionxB1.5LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2004ToyotaEcho1.5LL4DownstreamB1S2; w/OE # 89465-52200; OE MFR: NTK; Direct Fit Oxygen Sensor
2003ToyotaEcho1.5LL4DownstreamB1S2; w/OE # 89465-52200; OE MFR: NTK; Direct Fit Oxygen Sensor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

15275234-406975-25308946552200OS1601SG847

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.