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- NTK 21546 Oxygen Sensor
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Nº de artículo:
21146604
NTK 21546 Oxygen Sensor
Nº de artículo:
21146604
DOP 4666
Price Details
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NTK is one of the pioneers of wide band sensor technology, providing precise ratio control for improved fuel economy.
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What Stands Out
Precision Engineering
Designed for accurate measurement, the NTK 21546 Oxygen Sensor ensures optimal engine performance by providing precise data to the vehicle's ECU, enhancing fuel efficiency and reducing emissions.
Durable Construction
Crafted from high-quality materials, this sensor boasts a long lifespan and resistance to extreme temperatures, ensuring reliable operation over time, outperforming many competitors in durability.
Easy Installation
The NTK 21546 is designed for straightforward installation, allowing users to replace their oxygen sensor quickly, minimizing downtime and making it an ideal choice for DIY enthusiasts and professional mechanics alike.
Detalles de producto
| Mounting Type | Flange Mount |
| Output Type | Analog |
| Specific Uses For Product | Oxygen Sensor |
| Upper Temperature Rating | 850 u00b0C |
| Material Type | Ceramic |
| Style Name | Modern |
| Item Dimensions | 17.5 x 1 x 1 inches (44.5 x 2.5 x 2.5 cm) |
| Item Weight | 3.68 ounces (104.33 grams) |
| Brand Name | NTK |
| Model | 21546 |
| UPC | 087295215463 |
| Number of Items | 1 |
| Global Trade Identification Number | 00087295215463 |
| Manufacturer | NGK |
| Item Highlight | Replaces 12569429 12573167 12576131 12580827 12583804 12584925 12587785 12590790 12594452 12596701 12597878 12607410. |
| Unit Count | 1 Count |
| Included Components | Oxygen Sensor, Installation Instructions |
| Item Type Name | Oxygen Sensor |
| Part Number | 21546 |
| Brand | NTK |
| Item dimensions L x W x H | 17.5 x 1 x 1 inches (44.5 x 2.5 x 2.5 cm) |
| Material | Ceramic |
| Style | Modern |
Who Should Buy?
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Fuel Efficiency Seekers
Ideal for users looking to improve fuel efficiency by ensuring accurate readings to the engine control unit.
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Repairing Enthusiasts
Perfect for DIY mechanics and car enthusiasts performing sensor replacement to restore proper engine function.
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Vehicles with Emission Issues
Beneficial for drivers experiencing check engine light triggers related to emissions and correcting air-fuel mixture.
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Older Vehicles
Not suitable for older car models that may require different specifications than the NTK 21546 can provide.
DESCRIPCIÓN DEL PRODUCTO
NTK 21546 Oxygen Sensor
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Preguntas y respuestas de los clientes
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Pregunta:
What is the primary function of the NTK 21546 Oxygen Sensor?
Respuesta: The primary function of the NTK 21546 Oxygen Sensor is to monitor the level of oxygen in the exhaust gases of a vehicle. This information is crucial for the engine control unit (ECU) as it adjusts fuel injection and ignition timing to maintain optimal engine performance and emissions. By ensuring the correct air-fuel ratio, the sensor plays a significant role in enhancing fuel efficiency and reducing harmful emissions, making it an essential component of a vehicle's emission control system. -
Pregunta:
What vehicles are compatible with the NTK 21546 Oxygen Sensor?
Respuesta: The NTK 21546 Oxygen Sensor is designed to be compatible with various vehicle makes and models, specifically those equipped with similar exhaust systems and engine configurations. It is recommended to check the specific application guide or vehicle compatibility chart to ensure a perfect fit. Generally, this sensor fits numerous models within the automotive industry, making it a versatile choice for many car owners. Proper compatibility ensures performance benefits and engine safety. -
Pregunta:
How do I know if my NTK 21546 Oxygen Sensor needs to be replaced?
Respuesta: Signs that your NTK 21546 Oxygen Sensor may need replacement include a decrease in fuel efficiency, rough engine idle, or the illumination of the check engine light. Additionally, an increase in emissions might indicate sensor failure. If you notice any unusual behaviors in your vehicle’s performance or if you see diagnostic trouble codes (DTCs) related to the oxygen sensor (like P0131 or P0134), it’s advisable to have the sensor inspected or replaced to restore optimal vehicle function. -
Pregunta:
What are the benefits of using the NTK brand for oxygen sensors?
Respuesta: Choosing NTK for your oxygen sensor, such as the 21546 model, means selecting a product known for high quality and reliability. NTK sensors are manufactured using advanced technology, ensuring precise readings and longevity under tough driving conditions. They often outperform generic sensors in terms of accuracy and response time, which is vital for the vehicle's engine management system. Users often report improved fuel efficiency and emission control after switching to NTK products. -
Pregunta:
Can I install the NTK 21546 Oxygen Sensor myself?
Respuesta: Yes, installing the NTK 21546 Oxygen Sensor can be a feasible DIY project for those with basic automotive knowledge. While the process can vary by vehicle, it often involves locating the sensor, disconnecting the electrical connector, and unscrewing the old sensor before replacing it with the new one. It's essential to follow appropriate safety protocols and vehicle-specific repair manuals for accurate installation guidelines. A successful DIY installation can lead to cost savings and a sense of accomplishment. -
Pregunta:
What should I do if the check engine light remains on after replacing the sensor?
Respuesta: If the check engine light remains on after replacing the NTK 21546 Oxygen Sensor, it is important to conduct a diagnostic scan to check for any new trouble codes. The issue may not be solely with the oxygen sensor; other factors such as a faulty ECU, exhaust leaks, or additional sensor failures could be at play. Addressing these issues promptly can prevent further engine performance problems. Consulting with a trusted mechanic or using a professional-grade OBD-II scanner can help pinpoint the cause. -
Pregunta:
Is the NTK 21546 Oxygen Sensor suitable for high-performance vehicles?
Respuesta: Yes, the NTK 21546 Oxygen Sensor is suitable for high-performance vehicles that require precise monitoring of the air-fuel mixture for optimum power and efficiency. It's designed to withstand extreme conditions and provide accurate readings consistently. For performance enthusiasts or racers, maintaining the correct air-fuel ratios with high-quality sensors like the NTK 21546 can help maximize engine output and prevent potential damage. This makes it an ideal choice for those seeking both performance and reliability. -
Pregunta:
Are there any special care instructions for the NTK 21546 Oxygen Sensor?
Respuesta: To ensure the longevity and optimal performance of the NTK 21546 Oxygen Sensor, proper handling during installation is crucial. Avoid contaminating the sensor tip with oils or chemicals, and ensure electrical connections are clean and secure. Also, it’s advisable to frequently check for exhaust leaks, as they can affect sensor performance. Following the manufacturer's guidelines on installation and maintenance can help maintain sensor accuracy and reliability over time. -
Pregunta:
How does the NTK 21546 Oxygen Sensor compare to other brands?
Respuesta: The NTK 21546 Oxygen Sensor is recognized for its high-quality manufacturing and reliability compared to other sensor brands. Users often find that NTK sensors provide faster response times and more accurate readings, which lead to better vehicle performance and reduced emissions. Additionally, NTK invests in advanced technology and rigorous testing, often making their products the preferred choice among professionals and enthusiasts alike for long-term performance and dependability. -
Pregunta:
Where can I buy NTK 21546 Oxygen Sensor?
Respuesta: You can purchase the NTK 21546 Oxygen Sensor from Ubuy in Dominican Republic. Ubuy offers a wide variety of automotive parts and accessories, making it easy to find specific products like the NTK 21546. Shopping with Ubuy ensures you have access to high-quality items delivered conveniently to your location, providing a seamless online shopping experience tailored to vehicle maintenance needs.
NTK Oxygen Editorial Review
**** The NTK 21546 Oxygen Sensor has garnered strong positive feedback from users, particularly those replacing stock sensors in vintage vehicles like the 2004 Corvette and Cadillac Deville. Customers have been impressed with the sensor’s compatibility, noting that it features correct electrical connectors and appropriate cable lengths to seamlessly integrate with original wiring harnesses. Users have reported enhanced vehicle performance, including improved gas mileage, after installation, which suggests that this product outperforms many original equipment manufacturer (OEM) options. With over 100 miles driven post-installation, multiple reviewers have confirmed that the sensors function reliably without triggering check engine lights. Many users expressed satisfaction with the high quality and performance of NTK sensors, stating that they are a trustworthy alternative to OEM components. The Consensus among those who have replaced their O2 sensors with NTK is that they experience noticeable improvements in efficiency and functionality. In sum, the NTK 21546 Oxygen Sensor is a well-regarded product among car enthusiasts and those seeking reliable replacement parts, demonstrating solid performance metrics as well as compatibility across various vehicles. **
Customer Reviews & Ratings
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ventajas
- Excellent fit and compatibility with stock wiring.
- Improved gas mileage reported.
- Reliable performance with no check engine light after installation.
- Superior quality compared to OEM sensors.
- Positive experiences from multiple vehicle models.
Contras
- Limited customer feedback on long-term reliability past initial installation phase.
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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características y beneficios
- Designed specifically for OEM applications with customized features.
- Pioneers in wide band sensor technology for high accuracy in air fuel ratio monitoring.
- Fast light-off times for lower emissions and enhanced fuel efficiency.
- Durable with a dual-coated platinum element to extend lifespan.
- Water-resistant connector to prevent pollution-related failures.
- Available in various thread sizes to fit specific vehicle requirements.
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