NTK 24851 Air Fuel Level Sensor 18081

( Brand: Ntk ), ( Manufacturer Part Number: 24851 ), ( Vehicle Position: Upstream ), ( Label: Direct Fit 4-wire A/f Sensor ), ( Product Type: Factory Replacement ), ( Type: Air / Fuel Ratio Sensor ), ( Wiring Harness Length: 16.8 ), ( Sensor Type: Heated ), ( Thread Length: 0.38 ), ( Universal Or Specific Fit: Specific ), ( Thread Diameter: 18.000 ), ( Mounting Bracket Included: No ), ( Ipn: 18081 22641aa610 22641aa640 22641aa66a 22641aa670 22641aa710 ), ( Replaces Part Numbers: 22641aa71a 234-9109 234-9114 234-9115 234-9128 234-9136 234-9138 ), ( Replacement Part Numbers: 234-9141 234-9154 234-9155 8946704080 8946706120 8946706130 ), ( Replace Part Numbers: 8946706140 8946706160 8946706180 894670e130 894670e140 894670e170 ), ( Replaces Parts: 894670e190 894670e200 894670r050 894670t020 8946733230 8946733260 ), ( All Interchanges: 18081, 22641aa610, 22641aa640, 22641aa66a, 22641aa670, 22641aa710, 2264 )

Review NTK Air Fuel Ratio Sensor More fits CAMRY TACOMA AVALON ES350 NX300H

The **NTK 24851 Air-Fuel Ratio (AFR) Sensor** is a high-performance, direct-replacement oxygen sensor designed specifically for a wide range of Toyota and Lexus vehicles, including the **ES350, Camry, Tacoma, and Avalon (including the hybrid NX300H)**. Engineered to meet or exceed OEM specifications, this sensor delivers precise and reliable air-fuel ratio readings, ensuring optimal combustion efficiency, improved fuel economy, and reduced emissions. Crafted from premium materials, the NTK 24851 features a robust zirconia tip and a durable stainless-steel housing, making it resistant to contamination, thermal shock, and long-term wear critical factors for vehicles operating under demanding conditions, such as towing, aggressive driving, or high-mileage use. Unlike generic aftermarket alternatives, this sensor incorporates NTK s proprietary **wide-band capability**, allowing it to monitor both lean and rich mixtures with exceptional accuracy, which is particularly beneficial for modified engines, turbocharged applications, or vehicles running alternative fuels. Installation is straightforward, requiring no special tools beyond basic automotive equipment, and the sensor s universal compatibility ensures a seamless fit across the specified Toyota and Lexus models, including the **NX300H hybrid system**, where precise AFR monitoring is essential for maintaining hybrid efficiency. Whether upgrading an aging OEM sensor or replacing a failed aftermarket unit, the NTK 24851 provides the performance and durability needed to keep your engine running at peak condition, while also supporting advanced tuning and diagnostic tools for a more tailored driving experience. Built to last, this sensor is a trusted choice for enthusiasts, mechanics, and fleet operators seeking a dependable, high-quality replacement that bridges the gap between stock performance and aftermarket modifications.

### **Pros and Cons of buying a NTK 24851 Air-Fuel Sensor for the 2010-2017 Toyota ES350, Camry, Tacoma, and NX300H**

1. **High Quality and Durability** NTK is a well-known manufacturer of automotive sensors, known for producing reliable and long-lasting components. Their air-fuel sensors are designed to meet or exceed OEM specifications, ensuring proper performance and longevity.

2. **Direct OEM Replacement** The NTK 24851 is a direct-fit replacement for the stock Toyota air-fuel sensor, meaning it will install easily without modifications. This reduces the risk of compatibility issues that can arise with aftermarket parts that are not specifically designed for your vehicle.

3. **Improved Engine Performance** A faulty air-fuel sensor can lead to poor fuel economy, rough idling, and reduced engine power. Replacing it with a new NTK sensor can restore optimal fuel mixture, leading to smoother operation, better acceleration, and improved fuel efficiency.

4. **Prevents Check Engine Light (CEL) Issues** A failing air-fuel sensor often triggers a CEL due to incorrect air-fuel ratio readings. Installing a new NTK sensor can resolve this issue, eliminating the need for further diagnostics or repairs related to sensor failure.

5. **Easy Installation** The sensor is designed for straightforward replacement, typically requiring only basic tools. Most users can install it themselves without professional assistance, saving labor costs.

6. **Warranty Coverage** NTK offers warranties on their products, providing peace of mind in case of premature failure. This is particularly useful if the sensor fails shortly after installation.

7. **Compatibility with Toyota s OBD-II Systems** The NTK 24851 is designed to work seamlessly with Toyota s onboard diagnostics, ensuring accurate sensor readings and proper engine management system operation.

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1. **Cost** While not excessively expensive, the NTK 24851 is a premium aftermarket part. Depending on where you purchase it, the price may be slightly higher than generic or no-name alternatives. However, the quality often justifies the cost.

2. **Potential for Counterfeit Products** As with many popular aftermarket parts, there is a risk of purchasing counterfeit or low-quality knockoffs, especially if buying from untrusted sellers. Always purchase from reputable retailers to avoid this issue.

3. **Limited Longevity Compared to OEM Sensors** While NTK sensors are high-quality, they may not last as long as the original Toyota sensor in some cases. However, they are still significantly more durable than many generic alternatives.

4. **Requires Proper Installation** Although the sensor is easy to install, improper handling (e.g., damaging the sensor tip or not tightening it correctly) can lead to premature failure or inaccurate readings. Follow installation guidelines carefully.

5. **May Not Be Necessary for All Vehicles** If your air-fuel sensor is still functioning correctly (no CEL, no performance issues), replacing it prematurely is unnecessary and adds unnecessary expense. Always diagnose the issue before purchasing.

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The **NTK 24851 air-fuel sensor** is an excellent choice for Toyota owners (ES350, Camry, Tacoma, NX300H) experiencing sensor-related issues. Its high quality, direct OEM fit, and reliability make it a superior alternative to generic parts. While it may cost slightly more than budget options, the long-term benefits such as improved engine performance, fuel efficiency, and prevention of CEL issues outweigh the drawbacks.

If you are experiencing symptoms of a failing air-fuel sensor (e.g., rough idling, poor acceleration, check engine light), replacing it with the NTK 24851 is a **strongly recommended** solution. However, if the sensor is still functioning, there is no need to replace it prematurely.

- Purchase from a trusted retailer (e.g., Amazon, RockAuto, or a local auto parts store with a good reputation).

- Follow installation instructions carefully to avoid damage.

- Consider pairing it with a high-quality O2 sensor if replacing both for optimal engine performance.

**Final Recommendation:** If you need to replace your air-fuel sensor, the **NTK 24851 is the best choice** for reliability and performance. It is a worthwhile investment for Toyota owners who prioritize quality and longevity.

Details:

2016 -2023ToyotaTacoma2.7LL4OE Equivalent Design, 2015 -2021LexusNX300h2.5LL4OE 2015 LexusRX3503.5LV6GASB1S1; North American Production; OE 2015 LexusRX3503.5LV6GASB2S1; 2014 LexusRX3503.5LV6GASOE design oxygen sensor fits Bank 1 Sensor for air/fuel ratio. SHIPPING INFORMATION: This ships via standard shipping. 2016 -2018ToyotaRAV42.5LL4GASOE design oxygen sensor fits Bank 1 Sensor for air/fuel ratio. 2013 -2018LexusES300h2.5LL4OE design oxygen sensor fits Bank 1 Sensor for air/fuel ratio.

For example, if it states with fog lamps, this means your vehicle must be equipped lamps. This does not mean that fog lamps are included. 2014 LexusRX3503.5LV6GASCompatible with downstream oxygen sensor designed to meet OE specifications.

part #: 24851 prices

• $28.03-$60.00

specifications emissyste:

• for models: Es350, Nx300h, Camry, Tacoma, Avalon
• brand: Ntk
• mpn: 24851
• vehicle position: Upstream
• label: Direct Fit 4-wire A/f Sensor
• product type: Factory Replacement
• type: Air / Fuel Ratio Sensor
• wiring harness length: 16.8
• sensor type: Heated
• thread length: 0.38
• universal or specific fit: Specific
• thread diameter: 18.000
• mounting bracket included: No
• ipn: 18081 22641aa610 22641aa640 22641aa66a 22641aa670 22641aa710
• replaces part numbers: 22641aa71a 234-9109 234-9114 234-9115 234-9128 234-9136 234-9138
• replacement part numbers: 234-9141 234-9154 234-9155 8946704080 8946706120 8946706130
• replace part numbers: 8946706140 8946706160 8946706180 894670e130 894670e140 894670e170
• replaces parts: 894670e190 894670e200 894670r050 894670t020 8946733230 8946733260
• all interchanges: 18081, 22641aa610, 22641aa640, 22641aa66a, 22641aa670, 22641aa710, 2264

returns emissyste:

• paid by: Seller
• policy: Returns Accepted
• time: 60 Days

offer emissyste:

• started: May 24, 2026
• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home

general emissyste:

• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
• condition: New

shipping emissyste:

• transit: 4-8 Days
• cost: $0.00
• service: Standard
• class: Standard
• type: Fixed

payments emissyste:

• credit card: Discover
• other
• wallet: Apple-pay

seller emissyste:

• rating: 99.8%
• city: USA
• # reviews: 67803

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