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Stavka #:
13817514
Denso-234-4509 O2 Oxygen Sensor
Stavka #:
13817514
€ 117
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What Stands Out
Enhanced Performance
This sensor improves exhaust efficiency by providing accurate oxygen level readings, optimizing fuel combustion, and enhancing overall engine performance in Lexus and Toyota vehicles.
Easy Installation
The 25.5” harness facilitates straightforward installation, allowing vehicle owners or mechanics to replace the sensor quickly, reducing downtime and labor costs.
Durable Design
Denso's robust construction ensures long-lasting performance and reliability under extreme conditions, effectively resisting corrosion and wear for sustained operation in diverse environments.
Detalji o proizvodu
- Universal Fit type for easy installation
- Promotes efficient fuel consumption
- Constructed from high quality materials like stainless steel, fluorine rubber, and ceramics
- Designed to detect oxygen levels in the exhaust system
- Features double protection layer and aluminum oxide trap layer for longevity
- Manufactured with precision to meet OE standards
| Mounting Type | Thread-In |
| Output Type | Push-Pull |
| Specific Uses For Product | Replacement Oxygen (O2) Sensor |
| Material Type | Stainless Steel, Zirconium |
| Style Name | Replacement Part |
| Item Dimensions | 5.75 x 3.88 x 2.19 inches (14.6 x 9.9 x 5.6 cm) |
| Item Weight | 4 ounces (113.4 grams) |
| Brand Name | Denso |
| Model | 234-4509 |
| UPC | 042511112728 |
| Global Trade Identification Number | 00042511112728 |
| Manufacturer | DENSO |
| Item Type Name | Oxygen Sensor |
| Included Components | Oxygen (O2) Sensor |
| Brand | Denso |
| Item dimensions L x W x H | 5.75 x 3.88 x 2.19 inches (14.6 x 9.9 x 5.6 cm) |
| Material | Stainless Steel, Zirconium |
| Style | Replacement Part |
Who Should Buy?
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Toyota/Lexus Owners
Ideal replacement for Lexus or Toyota models from 2004-2016 experiencing oxygen sensor issues with performance drop.
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DIY Mechanics
Great for home mechanics looking for a reliable, high-quality oxygen sensor compatible with specific V6 models.
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Performance Seekers
Beneficial for drivers aiming to optimize fuel efficiency and reduce emissions through improved sensor functionality.
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Older Vehicles
Not suitable for vehicles manufactured before 2004, as compatibility is limited to specific newer models.
OPIS PROIZVODA
Denso-234-4509 O2 Oxygen Sensor
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Pitanja i odgovori kupaca
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pitanje:
What is the function of the 234-4509 O2 Oxygen Sensor?
odgovor: The 234-4509 O2 Oxygen Sensor measures the amount of oxygen in the exhaust gases of an engine. This vital data helps the engine control unit (ECU) adjust the air-fuel mixture for optimal combustion efficiency. Additionally, it contributes to reducing emissions, enhancing fuel economy, and ensuring that the vehicle complies with environmental regulations. For instance, correctly functioning sensors can lead to better engine performance and reduced harmful emissions. -
pitanje:
How do I know if my 234-4509 O2 Oxygen Sensor needs replacement?
odgovor: Indicators of a failing 234-4509 O2 Oxygen Sensor include decreased fuel efficiency, rough idling, and an illuminated check engine light. You may also notice unusual exhaust odors or increased emissions, as the sensor's malfunction can disrupt the engine's air-fuel mixture. Regular diagnostic checks can help identify these issues early, ensuring your vehicle runs smoothly and efficiently. -
pitanje:
Is the 234-4509 O2 Oxygen Sensor compatible with multiple vehicle brands?
odgovor: Yes, the 234-4509 O2 Oxygen Sensor is designed to be compatible with various vehicle models across different brands. It’s important to consult your vehicle's manual or a trusted online resource to confirm compatibility. This flexibility makes it a popular choice among automotive enthusiasts and mechanics when replacing sensors in various vehicles, ensuring enhanced performance universally. -
pitanje:
What are the signs of a malfunctioning oxygen sensor?
odgovor: Signs of a malfunctioning oxygen sensor include poor fuel economy, a jerking motion while accelerating, and an illuminated check engine light. Additionally, you might experience rough engine performance and increased emissions. Recognizing these symptoms promptly can help prevent further damage to your vehicle's engine and exhaust system, ensuring better longevity and efficiency. -
pitanje:
How does the 234-4509 O2 Oxygen Sensor affect vehicle emissions?
odgovor: The 234-4509 O2 Oxygen Sensor plays a crucial role in monitoring the exhaust gases and ensuring proper combustion. By providing real-time data to the engine control unit, it helps optimize the air-fuel mixture. An efficient mixture reduces harmful emissions, ensuring compliance with environmental standards. In scenarios where emissions testing is mandatory, having a functional sensor is key to passing the test. -
pitanje:
What tools are required for the installation of the 234-4509 O2 Oxygen Sensor?
odgovor: To install the 234-4509 O2 Oxygen Sensor, you will typically need a basic set of tools, including a wrench, a ratchet set with sockets, and possibly a torque wrench for proper fastening. Additionally, a vehicle-specific repair manual can offer invaluable guidance. Proper tooling ensures safe installation, preventing damage to both the sensor and the exhaust system. -
pitanje:
Can a faulty oxygen sensor damage my engine?
odgovor: Yes, a faulty oxygen sensor can lead to engine damage over time. If the sensor sends incorrect readings, it can cause the engine to run too rich or too lean, potentially resulting in severe issues like overheating or premature wear of engine components. Regularly monitoring and replacing your oxygen sensor helps maintain overall engine health and performance, preventing costly repairs. -
pitanje:
What type of maintenance does the 234-4509 O2 Oxygen Sensor require?
odgovor: The 234-4509 O2 Oxygen Sensor itself does not require extensive maintenance; however, regular vehicle inspections should include checking the sensor's performance. Ensuring that the electrical connections are clean and secure can enhance its longevity. It's also beneficial to keep an eye on your vehicle's overall engine performance, as well-maintained parts contribute to the sensor's effectiveness. -
pitanje:
Where can I buy the 234-4509 O2 Oxygen Sensor?
odgovor: You can purchase the 234-4509 O2 Oxygen Sensor from Ubuy, an online retailer known for its vast selection of quality automotive parts and accessories. Ubuy offers various shipping options, making it convenient for you to find and acquire parts tailored to your vehicle's needs. -
pitanje:
What is the installation process for the 234-4509 O2 Oxygen Sensor?
odgovor: Installing the 234-4509 O2 Oxygen Sensor involves locating the sensor on your vehicle’s exhaust system, removing the old sensor with a wrench, and then installing the new one by threading it into place. Ensure that it is fitted securely without overtightening. For optimal results, disconnect the vehicle's battery before installation and check for exhaust leaks afterward to maintain a proper system.
Denso Replacement Parts Editorial Review
If you need to replace an oxygen sensor in your Toyota or Lexus, this Denso part is likely to be a perfect fit. Customers report that it's an easy installation that can be done quickly and without too much fuss. There are reported gains in fuel efficiency, smoother performance, and a better return on temperature readings. All in all, customers seem pleased with their purchase.
Customer Reviews & Ratings
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Pros
- Easy installation
- Comparable to OEM parts and much cheaper
- Improved fuel efficiency and smoother performance
Protiv
- One review mentioned incorrect connections, but this is probably a unique issue
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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€ 117
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