What is the function of the Denso 234-4169 Oxygen Sensor?

The Denso 234-4169 Oxygen Sensor plays a crucial role in monitoring the levels of oxygen in your vehicle's exhaust gases. It sends real-time data to the engine control unit (ECU), allowing the ECU to optimize air-fuel mixtures for better combustion efficiency. This ensures your engine operates efficiently, which can enhance fuel economy, reduce emissions, and improve overall engine performance.

Is the Denso 234-4169 Oxygen Sensor compatible with all vehicles?

No, the Denso 234-4169 Oxygen Sensor is not compatible with all vehicles. It is specifically designed for certain makes and models, primarily to meet manufacturer specifications. Always check your vehicle's compatibility by referring to the owner’s manual or vehicle identification number (VIN) before making a purchase to ensure proper fitment and function.

How can I tell if my Denso 234-4169 Oxygen Sensor needs replacement?

Signs that your Denso 234-4169 Oxygen Sensor may need replacement include a check engine light, poor fuel economy, rough engine idling, or increased emissions. If you experience any of these symptoms, it is advisable to have your vehicle diagnosed properly. A failing oxygen sensor can negatively impact engine performance and fuel efficiency, making timely replacement essential.

What are the key benefits of using the Denso 234-4169 Oxygen Sensor?

The Denso 234-4169 Oxygen Sensor offers enhanced accuracy, durability, and improved engine performance. By providing precise readings of oxygen levels, it helps maintain optimal air-fuel ratios, leading to better fuel efficiency and reduced emissions. Additionally, Denso is known for its high-quality manufacturing standards, which means you can expect longevity and reliability from this sensor, making it a worthwhile investment for vehicle maintenance.

Can I install the Denso 234-4169 Oxygen Sensor myself?

Yes, the installation of the Denso 234-4169 Oxygen Sensor can be undertaken as a DIY project, provided you have basic mechanical skills and tools. The process generally involves locating the existing sensor, disconnecting it, and replacing it with the new one. However, referring to a repair manual or online guides specific to your vehicle is recommended for proper installation and to avoid any errors that may arise during the installation.

Are there any specific maintenance tips for the Denso 234-4169 Oxygen Sensor?

Maintaining the Denso 234-4169 Oxygen Sensor includes ensuring that the electrical connections are secure and clean. It’s also advisable to periodically check for exhaust leaks which can affect the sensor's readings. Regular engine maintenance such as keeping air filters clean and performing timely oil changes can also aid in prolonging the life of the oxygen sensor, ensuring it functions optimally over time.

Why should I choose Denso over other brands for my Oxygen Sensor?

Choosing Denso for your Oxygen Sensor means choosing reliability and performance backed by years of experience in automotive technology. Denso sensors are engineered for precision, ensuring that they meet or exceed OEM specifications. By choosing Denso, you benefit from a product that is rigorously tested for quality and performance, leading to better fuel efficiency, lower emissions, and ultimately, a better driving experience.

What should I do if the check engine light is triggered after installing the Denso 234-4169 Oxygen Sensor?

If the check engine light remains on after installing the Denso 234-4169 Oxygen Sensor, it could indicate an issue with the installation or a separate problem. First, recheck all connections to ensure they are tight and secure. If everything seems fine, using an OBD-II scanner can help identify any trouble codes, allowing you to address potential issues related to fuel system, exhaust leaks, or even the sensor itself. Consulting a professional may be necessary for further diagnostics.

How does the Denso 234-4169 Oxygen Sensor improve fuel efficiency?

The Denso 234-4169 Oxygen Sensor improves fuel efficiency by providing accurate readings of the oxygen levels in the exhaust gases. This data allows the engine control unit to adjust the air-fuel mixture more precisely, ensuring optimal combustion. A correctly functioning oxygen sensor can significantly enhance fuel efficiency, thus saving drivers on gas while also reducing harmful emissions at the same time.

Where can I buy Denso 234-4169 Oxygen Sensor in São Tomé and Príncipe?

You can buy the Denso 234-4169 Oxygen Sensor in São Tomé and Príncipe through Ubuy. Ubuy offers a wide selection of automotive parts, including oxygen sensors, ensuring you find the right product for your vehicle. Their platform provides a seamless shopping experience with detailed product information and customer support, making it a convenient choice for your automotive needs.

Como comprar Denso Oxygen (O2) Sensor - 234-4169 (Fits Select online na Ubuy?

É fácil comprar Denso Oxygen (O2) Sensor - 234-4169 (Fits Select online na Ubuy.. Você só precisa procurar o produto, escolher a forma de envio na hora de finalizar a compra e receber no seu endereço.

Denso Oxygen (O2) Sensor - 234-4169 (Fits Select está disponível para compras online em São Tomé and Príncipe?

Sim, na Ubuy São Tomé and Príncipe este produto está disponível para você comprar a um preço razoável.. O Denso Oxygen (O2) Sensor - 234-4169 (Fits Select não está disponível localmente, mas você pode confiar em nós com nossos serviços de remessa expressa.

Quanto tempo leva para receber o produto após fazer o pedido?

O tempo de entrega do seu produto encomendado varia de acordo com o que você pediu e o método de envio que você escolheu.. O tempo estimado de entrega é mencionado durante o processo de checkout, portanto, fique despreocupado ao fazer compras.

Denso Ver Original

Denso Oxygen (O2) Sensor - 234-4169 (Fits Select Years of Lexus: GS400/LS400/LS600h/LX470/LX570/SC400 and Toyota: 4Runner/Land Cruiser/Sequoia/Tundra Vehicles)

High-quality Denso Oxygen Sensor designed for precision and longevity.

Denso

Artigo n.º: 224046

Denso Oxygen (O2) Sensor - 234-4169 (Fits Select Years of Lexus: GS400/LS400/LS600h/LX470/LX570/SC400 and Toyota: 4Runner/Land Cruiser/Sequoia/Tundra

86% of respondents would recommend this to a friend

Artigo n.º: 224046

STD 2258170

Detalhes do Preço

Excluindo custos de envio e alfandegários ( Os custos de envio e alfandegários serão calculados na finalização da compra )

^{*Todos os artigos serão importados de EUA}

Disponibilidade : Em stock

Importado da loja USA

Qtd.:

Encomende já e receba por volta de Quinta-feira, Outubro 29

Transação segura

Os nossos principais Parceiros Logísticos

High-quality Denso Oxygen Sensor designed for precision and longevity.

Garantia U-Care:

Nenhuma

Selecione um plano

Fast
Shipping

Devolução
gratuita^*

Embalagem Segura

Produtos 100% Originais

Certificação PCI DSS

Certificação ISO 27001

Note: Step Down Voltage Transformer required for using electronics products of EUA store (110-120). Recommended power converters COMPRAR AGORA.

O que se Destaca

Precise Measurement

The Denso 234-4169 Oxygen Sensor delivers accurate readings of oxygen levels, which optimizes fuel efficiency and reduces emissions, making it an essential component for vehicle performance.

Durable Construction

This oxygen sensor is designed with high-quality materials, ensuring longevity and resilience against harsh engine environments, thus offering excellent value over time.

Easy Installation

The user-friendly design of the Denso 234-4169 allows for a straightforward installation process, reducing downtime and making it ideal for both DIY enthusiasts and professional mechanics.

Detalhes do produto

Detects the amount of oxygen in the exhaust stream
Constructed from high quality materials such as stainless steel, fluorine rubber, aluminum oxide, and ceramics
Features double protection layer, aluminum oxide trap layer, porous PTFE filter, and stainless steel housing
Manufactured with precision to meet OE standards
Enables easy installation
Ensures longevity and efficient fuel consumption

Quem Deverá Comprar?

Vehicle Owners
Ideal for vehicle owners seeking reliable, high-performance oxygen sensors to maintain engine efficiency and improve emissions.
DIY Mechanics
Perfect for DIY mechanics who prioritize quality components for their repairs, ensuring optimal functionality in automotive systems.
Emission Compliance
Beneficial for users needing to meet strict emission standards, helping vehicles run cleaner and pass inspections.

Budget Shoppers
Not suitable for budget-conscious consumers looking for the lowest-priced oxygen sensors, as quality usually comes at a higher cost.

DESCRIÇÃO DO PRODUTO

Denso Oxygen (O2) Sensor - 234-4169 (Fits Select Years of Lexus: GS400/LS400/LS600h/LX470/LX570/SC400 and Toyota: 4Runner/Land Cruiser/Sequoia/Tundra Vehicles)

Tem alguma Dúvida? Converse connosco

Perguntas e respostas do cliente

Pergunta: Como comprar Denso Oxygen (O2) Sensor - 234-4169 (Fits Select online na Ubuy?

Resposta: É fácil comprar Denso Oxygen (O2) Sensor - 234-4169 (Fits Select online na Ubuy.. Você só precisa procurar o produto, escolher a forma de envio na hora de finalizar a compra e receber no seu endereço.
Pergunta: Denso Oxygen (O2) Sensor - 234-4169 (Fits Select está disponível para compras online em São Tomé and Príncipe?

Resposta: Sim, na Ubuy São Tomé and Príncipe este produto está disponível para você comprar a um preço razoável.. O Denso Oxygen (O2) Sensor - 234-4169 (Fits Select não está disponível localmente, mas você pode confiar em nós com nossos serviços de remessa expressa.
Pergunta: Quanto tempo leva para receber o produto após fazer o pedido?

Resposta: O tempo de entrega do seu produto encomendado varia de acordo com o que você pediu e o método de envio que você escolheu.. O tempo estimado de entrega é mencionado durante o processo de checkout, portanto, fique despreocupado ao fazer compras.

Denso Oxygen Editorial Review

Denso Oxygen (O2) Sensor - 234-4169 (Fits Select Years of Lexus: GS400/LS400/LS600h/LX470/LX570/SC400 and Toyota: 4Runner/Land Cruiser/Sequoia/Tundra Vehicles) is a high-quality product that ensures precise fit and optimal performance. Designed as a direct plug-in replacement, it effectively addresses error codes like PO135 and PO155. Users have noted that installation is straightforward, especially with the included anti-seize package; however, the tight space around the electrical plug can be challenging for some. Reviews highlight impressive longevity with many reporting sensors lasting well over 100,000 miles, contributing to improved engine performance and fuel efficiency. The sensor's robust construction features materials that resist premature failure, making it a reliable choice for DIY mechanics and professional installers alike.

Avaliações e Classificações dos Clientes

4.0

1 classificações de clientes

5 Estrela

0%
4 Estrela

100%
3 Estrela

0%
2 Estrela

0%
1 Estrela

0%

Avaliar este produto

Partilhe as suas ideias com outros clientes

Prós

Designed for easy plug-in installation
Effective in correcting error codes
Durable construction for long life
Superior quality for improved performance
Includes anti-seize for hassle-free setup

Contras

Tight spaces may complicate installation

CONFIANÇA NA PLATAFORMA E SEGURANÇA DO COMPRADOR

4.2/5 9704 reviews

Ler avaliações

Jasmin

Comprador verificado

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot

Anke

Comprador verificado

“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

Hazel

Comprador verificado

“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

Opaleye

Comprador verificado

“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

Adele

Comprador verificado

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot

PORQUÊ COMPRAR CONNOSCO

Checkout Seguro Entrega Global Devoluções Fáceis Produtos Genuínos

Histórico de preços do produto

Informação importante

Limitações: para produtos expedidos internacionalmente, tenha em atenção que qualquer garantia do fabricante pode não ser válida; opções de serviço do fabricante podem não estar disponíveis; manuais de produtos, instruções e avisos de segurança podem não estar nas línguas do país de destino; os produtos (e materiais que o acompanham) pode não ter sido concebido em conformidade com as normas, especificações e requisitos de rotulagem do país de destino; e os produtos podem não estar em conformidade com a voltagem e outras normas elétricas do país de destino (requerendo assim o uso de um adaptador ou conversor caso seja apropriado). O destinatário é responsável por garantir que o produto pode ser legalmente importado para o país de destino. Quando encomenda à Ubuy ou aos seus afiliados, o destinatário é o importador de registo e deve estar em conformidade com todas as leis e regulamentos do país de destino.
Nem todos os produtos listados na Ubuy estão à venda, uma vez que a Ubuy é um motor de busca global. Os produtos estão sujeitos a leis de exportação/comércio.

STD 2258170

Encomende já e receba por volta de Quinta-feira, Outubro 29

Qtd.:

Transação segura

Em conformidade com a norma PCI DSS e com certificação ISO 27001:2022, com pagamentos encriptados e proteção total do comprador em todas as encomendas.

Os nossos principais Parceiros Logísticos

Entrega internacional mais rápida

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

Denso Oxygen (O2) Sensor - 234-4169 (Fits Select Years of Lexus: GS400/LS400/LS600h/LX470/LX570/SC400 and Toyota: 4Runner/Land Cruiser/Sequoia/Tundra

STD 2258170

Fast Shipping

Devolução gratuita*

Embalagem Segura

Produtos 100% Originais

Certificação PCI DSS

Certificação ISO 27001

O que se Destaca

Detalhes do produto

Quem Deverá Comprar?

DESCRIÇÃO DO PRODUTO

Perguntas e respostas do cliente

Denso Oxygen Editorial Review

Avaliações e Classificações dos Clientes

Avaliar este produto

Prós

Contras

CONFIANÇA NA PLATAFORMA E SEGURANÇA DO COMPRADOR

PORQUÊ COMPRAR CONNOSCO

Histórico de preços do produto

Informação importante

STD 2258170

Ubuy Assurance

Fast
Shipping

Devolução
gratuita^*