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- NTK 21546 Oxygen Sensor
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Item #:
21146604
NTK 21546 Oxygen Sensor
89% of respondents would recommend this to a friend
Item #:
21146604
AUD 128
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Sunday, November 22
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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.
Product Details
| 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?
-
Fuel Efficiency Seekers
Ideal for users looking to improve fuel efficiency by ensuring accurate readings to the engine control unit.
-
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.
Product Description
NTK 21546 Oxygen Sensor
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Customer Questions & Answers
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Question:
How to Shop NTK 21546 Oxygen Sensor Online From Ubuy?
Answer: It’s easy to shop NTK 21546 Oxygen Sensor online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location. -
Question:
Is NTK 21546 Oxygen Sensor Available to Shop Online in Australia?
Answer: Yes, at Ubuy Australia this product is available for you to shop at a reasonable price. The NTK 21546 Oxygen Sensor is not available locally but you can trust us with our express shipping services. -
Question:
How Long Does It Take to Get Product After Placing the Order?
Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
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
1 customers ratings
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Pros
- 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.
Cons
- Limited customer feedback on long-term reliability past initial installation phase.
Platform Trust & Buyer Confidence
R
Rachael
Verified buyer
“Reliable service. Came swiftly after purchasing online with updates. Product arrived in good condition and my son loves his new Training bar. Easy to install also.”
Nov 3, 2026 · via Trustpilot
KC
Kerrie
Verified buyer
“I wanted to buy this beautiful antique style tray and the only place I could find it was in the USA and I live in Australia. I ordered it and it came promptly and is absolutely beautiful. I am so happy!”
21 October 2026 · via Trustpilot
JM
James
Verified buyer
“Great experience really pleased the way you track everything and I can see where it is and what's happening Other companies did not want to send it to me because it came under dangerous goods But you went through all the correct procedures and got it to me in Australia Thank you”
24 October 2026 · via Trustpilot
H
Helen
Verified buyer
“Communication between the supplier and the buyer was excellent and i am very happy with my products”
27 October 2026 · via Trustpilot
R
Riki
Verified buyer
“Reputable and reliable Had items from overseas that weren't readily available in Aus. Ordering was easy. Parcels were fast. They kept me updated on status. Got exactly what I wanted and as it was described and pictured. Freight was a good price considering it was international. Would use them again if I require anything from USA.”
31 October 2026 · via Trustpilot
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AUD 128
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