This OEM NTK (NGK) 21518 oxygen sensor is designed to monitor exhaust gas oxygen levels and provide accurate feedback to the engine control unit for optimal fuel-air mixture control. It plays a critical role in improving engine efficiency, reducing emissions, and maintaining smooth engine performance.
Manufactured by NTK, the sensor is built to OEM standards for precision, reliability, and long service life. It delivers accurate readings under varying engine temperatures and operating conditions, ensuring proper combustion control.
Ideal for emissions system repair or replacement, this NOS oxygen sensor restores factory-level performance and supports efficient engine operation in compatible applications.
Key Features
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Direct Replacement Fit: Designed for compatible applications using part number 21518.
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Stable Signal Output: Provides consistent readings for smooth engine performance and diagnostics.
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Durable Sensor Design: Built to withstand high exhaust temperatures and harsh engine conditions.
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NOS Condition: New Old Stock original NTK sensor ensuring unused factory-quality performance.
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Emission Control Support: Helps maintain proper catalytic converter performance and emissions compliance.
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Precise Air-Fuel Monitoring: Helps the ECU maintain optimal fuel mixture for improved efficiency and reduced emissions.
- OEM NTK/NGK Quality: Manufactured to original equipment standards for accurate and reliable oxygen sensing performance.
Specifications
- Brand: NTK / NGK
- Part Number: 21518
- Product Type: Oxygen Sensor
- Condition: NOS (New Old Stock)
- Application: Automotive Emissions System