HomeEmission Control > SensorsNTK 22118 Oxygen Sensor - Upstream Rear
Part #: 22118

NTK 22118 Oxygen Sensor - Upstream Rear

Direct Fit Oxygen Sensor, Upstream Rear
⚙️ 9 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Direct Fit Oxygen Sensor, Upstream Rear
🚗Fitment: Mazda, 6 and 626
🔄Easy Returns — Return within 60 days for a full refund
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Overview of NTK Direct Fit Oxygen Sensor 22118

The NTK Direct Fit Oxygen Sensor 22118 is designed specifically for Mazda 6 and Mazda 626 models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

  • Heated sensor type for faster response times
  • Specific fit for Mazda 6 and Mazda 626
  • 12.25-inch wiring harness length for easy installation
  • Threaded mounting type with 18mm thread diameter
  • Four-wire configuration for reliable signal transmission

Details About the Direct Fit Oxygen Sensor Line

The NTK Direct Fit Oxygen Sensor product line focuses on providing exact replacement sensors tailored to specific vehicle makes and models. This ensures compatibility and reduces installation time by matching OEM specifications. The 22118 part number is part of this line, offering a direct fit solution for Mazda vehicles requiring a heated oxygen sensor with a threaded mounting style.

Product Features and Specifications

This oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving emissions control efficiency. The 12.25-inch wiring harness length provides sufficient reach for straightforward connection without modification. The sensor’s four-wire design supports both the heating element and signal output, ensuring accurate data transmission to the engine control unit. The 18mm threaded mounting type matches factory specifications for secure installation.

Common Applications and Problem Resolution

  • Restores proper air-fuel ratio monitoring in Mazda 6 and 626 models
  • Helps resolve check engine light issues related to oxygen sensor faults
  • Improves fuel efficiency by providing accurate exhaust gas readings
  • Reduces harmful emissions by enabling precise engine adjustments
  • Prevents drivability problems caused by faulty oxygen sensors

Installation Notes and Tips

When installing the NTK 22118 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 factory harness. Thread the sensor by hand initially to avoid cross-threading, then tighten to manufacturer torque specifications. It is recommended to check for exhaust leaks after installation.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The Direct Fit Oxygen Sensor 22118 undergoes rigorous testing to ensure reliable operation in Mazda 6 and 626 vehicles. Warranty coverage details should be confirmed with the distributor or retailer, as they may vary.

BrandNTK
Part Number22118
PositionDirect Fit Oxygen Sensor, Upstream Rear
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter18.000
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length12.2500

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008Mazda63.0LV6Upstream RearBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2007Mazda63.0LV6Upstream RearBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2006Mazda63.0LV6Upstream RearBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2005Mazda63.0LV6Upstream RearBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2004Mazda63.0LV6Upstream RearBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2003Mazda63.0LV6Upstream RearBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2002Mazda6262.5LV6Upstream RearBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2001Mazda6262.5LV6Upstream RearBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2000Mazda6262.5LV6Upstream RearB1S1 California emissions Oxygen Sensor 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:

153141532415431213-3081234-4117234-419075-257275-2648AJ5818861BES10856KLS318861COS1736OS1839OS5040SG1668SG982

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