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Item #:
139327374
NGK 21039 Oxygen Sensor
92% of respondents would recommend this to a friend
Item #:
139327374
AUD 67
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Imported from USA store
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This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
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NTK is the world’s largest supplier and manufacturer of original equipment oxygen sensors, precision manufactured to the highest quality and durability, covering nearly all vehicles on the road today.
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What Stands Out
Precision Engineering
NGK 21039 Oxygen Sensor is crafted with high-quality materials ensuring accurate readings, optimizing engine performance, and improving fuel efficiency, making it a reliable choice for vehicle enthusiasts.
Enhanced Durability
Designed to withstand harsh environments, this sensor offers exceptional longevity, reducing the frequency of replacements and maintenance costs for budget-conscious drivers.
Wide Compatibility
NGK 21039 fits a broad range of vehicle models, ensuring versatility and ease of installation for mechanics and DIY enthusiasts alike, simplifying the process of upgrading or replacing sensors.
Product Details
| Brand | NTK |
| Item dimensions L x W x H | 16.75 x 1 x 1 inches (42.5 x 2.5 x 2.5 cm) |
| Material | Ceramic |
| Item Weight | 0.2 Pounds (90 grams) |
| Style | Modern |
Who Should Buy?
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Car Enthusiasts
Ideal for car enthusiasts seeking high-performance and reliable oxygen sensors to improve engine efficiency and emissions control.
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DIY Mechanics
Perfect for DIY mechanics who want a high-quality replacement oxygen sensor for their vehicle maintenance projects.
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Fuel Economy Seekers
Beneficial for drivers focused on enhancing fuel economy by ensuring the engine runs efficiently with proper oxygen readings.
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Budget Shoppers
Not ideal for those looking for the cheapest option, as it is positioned on the higher side of the price spectrum.
Product Description
NGK 21039 Oxygen Sensor
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How to Shop NGK 21039 Oxygen Sensor Online From Ubuy?
Answer: It’s easy to shop NGK 21039 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 NGK 21039 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 NGK 21039 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 NGK 21039 Oxygen Sensor has garnered positive feedback from customers who value its effortless installation and significant performance improvements in their vehicles. Users have reported that they were able to replace the oxygen sensor in just a couple of minutes, emphasizing the simplicity and ease of the process. This quick fix has led to noticeable enhancements in engine performance, with many stating that subtle improvements in operation were apparent immediately after installation. Quality is a notable highlight for purchasers, with many praising the sensor's manufacturing from Japan, suggesting a level of reliability and craftsmanship that reinforces their satisfaction. Users have also noted that the OBD II light, which signals potential issues with the vehicle's emission system, turned off following the installation, indicating effective functionality. Practical tips are shared within the reviews as well, such as using a 22mm open-end wrench instead of a special socket, which some found to be ineffective in tight spaces. Overall, customer experience with the NGK 21039 Oxygen Sensor reflects a strong reception, underscoring its role in enhancing vehicle function and reliability in a user-friendly manner. **
Customer Reviews & Ratings
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Pros
- Easy installation, with many customers completing it in under two minutes
- Immediate improvements in engine performance reported
- High quality, made in Japan, contributing to reliability
- Effective in turning off the OBD II light
Cons
- Requires specific tools, like a 22mm open-end wrench, for best results in cramped spaces
Platform Trust & Buyer Confidence
EC
Eddie
Verified buyer
“Purchased from Europe and arrived within 10 days. Very happy with the service”
30 August 2026 · via Trustpilot
D
David
Verified buyer
“Order arrived quickly and as ordered. Recommend”
10 September 2026 · via Trustpilot
MC
Matt
Verified buyer
“Very happy customer. Excellent communication with speedy delivery. My daughter is loving her new bike which was delivered too Australia all the way from the states, no problems at all. Highly recommended.”
02 October 2026 · via Trustpilot
C
Customer
Verified buyer
“Thank you a very good product works perfectly. Thank you Ubuy. ”
02 October 2026 · via Trustpilot
AA
Anna
Verified buyer
“3D Crystal Puzzles - Roses In A Vase (Black and Purple) Brilliant transaction! Thank you so much for your excellent service! Items are exactly as described, in great condition and package very well, quality and appearance are excellent and the price was amazing. Fast delivery too! Highly recommended!”
07 October 2026 · via Trustpilot
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AUD 67
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- World's largest manufacturer of OEM oxygen sensors.
- Engineered for optimal performance and durability.
- Extensive coverage for nearly all vehicles on the road.
- Designed for easy installation with factory-fitted connectors.
- Ensures optimized emissions and fuel economy.
- Rigorously tested for quality and reliability.
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