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Item #:
660074
Denso 234-4623 Oxygen Sensor with 23a 4-Wire Square Plug Harness
85% of respondents would recommend this to a friend
Item #:
660074
WST 251
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Order now and get it around Tuesday, November 03
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Designed to detect the amount of oxygen in the exhaust system
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What Stands Out
High Compatibility
Designed specifically for California-equipped vehicles, ensuring optimal performance and compliance with stringent emission standards for smoother operation.
Durable Construction
Built to withstand extreme conditions, featuring a robust design that promises longevity and reliability in various driving environments, reducing replacement frequency.
Easy Installation
Comes with a 23” 4-wire square plug harness that simplifies installation, allowing for a hassle-free replacement process and saving valuable time for DIY enthusiasts.
Product Details
| Measurement Accuracy | Comparable to OE standards |
| Mounting Type | Threaded Mount |
| Output Type | electrical signal |
| Specific Uses For Product | Replacement Oxygen (O2) Sensor |
| Upper Temperature Rating | 1200 u00b0F |
| Material Type | Stainless Steel, Zirconium |
| Style Name | Replacement Part |
| Item Dimensions | 5.75 x 2.19 x 1.88 inches (14.6 x 5.6 x 4.8 cm) |
| Item Weight | 4 ounces (113.4 grams) |
| Brand Name | Denso |
| Model | 234-4623 |
| UPC | 042511146235 |
| Number of Items | 1 |
| Global Trade Identification Number | 00042511146235 |
| Manufacturer | Denso |
| Item Highlight | Replaces 213-1484 213-1507 213-3051 88971387 8946501090 8946508010 8946514230 8946520510 8946520680 8946520840 8946530190. |
| Unit Count | 1 Count |
| Included Components | Oxygen (O2) Sensor |
| Item Type Name | Oxygen Sensor |
| Part Number | 234-4623 |
| Brand | Denso |
| Item dimensions L x W x H | 5.75 x 2.19 x 1.88 inches (14.6 x 5.6 x 4.8 cm) |
| Material | Stainless Steel, Zirconium |
| Style | Replacement Part |
Who Should Buy?
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California Vehicle Owners
Ideal for those owning California emissions compliant vehicles needing reliable downstream oxygen sensor replacements.
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DIY Mechanics
Great for DIY mechanics looking for an easy installation of a quality oxygen sensor in their vehicles.
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Performance Enthusiasts
Beneficial for performance enthusiasts desiring accurate fuel management for improved engine efficiency and power output.
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Non-Calif. Vehicles
Not suitable for vehicles outside California emissions regulations, as they may require a different sensor type.
Product Description
Denso 234-4623 Oxygen Sensor with 23a 4-Wire Square Plug Harness
About This Item
Enhance the performance of your vehicle's exhaust system with the Denso 234-4623 Downstream Oxygen Sensor. This high-quality sensor is specifically designed to detect the amount of oxygen in the exhaust stream, ensuring optimal fuel efficiency and reducing harmful emissions. Crafted from a combination of high-grade materials including stainless steel, porous polytetrafluoroethylene, fluorine rubber, aluminum oxide, high-grade platinum, and ceramics, this oxygen sensor offers superior durability and longevity. Its double protection layer, aluminum oxide trap layer, porous PTFE filter, and stainless steel housing provide added defense against debris and other contaminants. Manufactured to meet OE (Original Equipment) standards, the Denso 234-4623 Downstream Oxygen Sensor guarantees a precise fit and reliable performance.
Installation is a breeze, offering convenience and ease of use for both DIY enthusiasts and professional mechanics. Upgrade your vehicle's exhaust system today with the Denso 234-4623 Downstream Oxygen Sensor. Ensure that your car operates at its best while promoting a cleaner and greener environment. Rest assured that this sensor is designed to deliver exceptional results and improve overall engine performance. Compatible with California emission-equipped vehicles, this Denso oxygen sensor is an ideal choice for those living in regions with strict environmental regulations.
Trust in Denso's renowned reputation for excellence and choose the 234-4623 Downstream Oxygen Sensor for your California-equipped vehicle. Don't compromise on quality when it comes to your vehicle's exhaust system. Invest in the Denso 234-4623 Downstream Oxygen Sensor and experience the benefits of enhanced fuel efficiency, reduced emissions, and improved engine performance. Order yours today and enjoy a smoother, more efficient ride.
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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.
Denso Oxygen Editorial Review
Denso 234-4623 Oxygen Sensor with 23a 4-Wire Square Plug Harness is designed for precision and compatibility. Users praise its effectiveness in resolving engine light issues, particularly the P0420 code. One reviewer highlights its perfect fit and recommended it for those needing to replace oxygen sensors in their Prius. The sensor boasts a measurement accuracy comparable to OE standards, ensuring reliable performance. Another notable detail is its stainless steel and zirconium construction, which enhances durability and resistance to high temperatures up to 1200 °F. Many users found the installation straightforward, simplifying what could be a daunting task.
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Pros
- High-quality construction with effective material.
- Easy installation process, even for non-mechanics.
- Improves overall fuel efficiency after installation.
- Fits OEM specifications for a reliable replacement.
Cons
- Wiring harness location may require some adjustment.
Platform Trust & Buyer Confidence
JK
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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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“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
Verified buyer
“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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