234-9049 DENSO Air Fuel Level Sensor

Review DENSO Air Fuel Ratio Sensor

The DENSO 234-9049 Air Fuel Ratio (AFR) Sensor is an essential component of the engine management system in various vehicles. This sensor plays a crucial role in maintaining the optimal air-fuel mixture in the engine to ensure efficient combustion and optimal engine performance.

This sensor is a heated oxygen type, which means it utilizes a heating element to maintain a constant operating temperature. The heating element helps to ensure accurate and consistent sensor output, especially in cold starting conditions. The sensor housing is made of high-quality ceramic material, which provides excellent insulation and helps to maintain the sensor's stability and durability.

The DENSO 234-9049 Air Fuel Ratio Sensor features a wide operating temperature range of -40 C to 150 C (-40 F to 302 F), making it suitable for use in a wide range of climates and driving conditions. The sensor also comes with a built-in self-diagnostic function that helps to detect any potential issues and alert the vehicle's engine control module for appropriate action.

The sensor has an electrical connection interface that is a 3-wire type with ground, heater, and signal wires. The sensor's electrical resistance changes in response to the amount of oxygen in the exhaust gas, which is then used to calculate the air-fuel ratio. The sensor's output signal is in the form of a voltage, which is read by the engine control module to determine the air-fuel mixture and adjust the fuel injection accordingly.

Overall, the DENSO 234-9049 Air Fuel Ratio Sensor is a high-performance and reliable component that is essential for maintaining optimal engine performance and fuel efficiency. Its advanced features, including a wide operating temperature range, self-diagnostic function, and heating element, make it a preferred choice for automotive applications.

The Denso 234-9049 Air Fuel Ratio (AFR) Sensor is a crucial component of a vehicle's fuel injection system. It measures the ratio of air and fuel entering the engine and maintains the optimal balance for efficient combustion. Here are some pros and cons associated with purchasing this specific model:

1. OEM Quality: Denso is a well-known and reputable automotive parts manufacturer. This sensor is an original equipment manufacturer (OEM) part, ensuring it meets the highest standards for performance and durability.

2. Precise Measurements: The Denso 234-9049 AFR sensor provides accurate and reliable measurements of the air-fuel mixture, allowing for optimal engine performance and improved fuel efficiency.

3. Long Service Life: Denso sensors are known for their longevity. This particular model is designed to withstand the harsh conditions of a vehicle's engine bay, providing reliable operation for an extended period.

4. Easy Installation: The sensor is a direct replacement for many vehicles, making the installation process straightforward and uncomplicated.

1. Cost: Compared to aftermarket alternatives, the Denso 234-9049 AFR sensor may be more expensive. However, the investment in OEM quality and reliability may outweigh the cost difference for some consumers.

2. Limited Compatibility: While the sensor is compatible with a wide range of vehicles, it may not be the best choice for those with more unique or exotic engine setups. It's essential to verify compatibility before making a purchase.

3. Potential for False Codes: In some cases, a faulty air fuel sensor can trigger false codes in the vehicle's diagnostic system. If this occurs, it may be necessary to clear the codes or have the vehicle scanned by a professional to determine the root cause of the issue.

In conclusion, the Denso 234-9049 Air Fuel Ratio sensor offers the benefits of OEM quality, precise measurements, long service life, and easy installation. However, it may come with a higher cost compared to aftermarket alternatives and limited compatibility with specific vehicle models. The decision to purchase this sensor ultimately depends on your priorities, budget, and the specific requirements of your vehicle. If you value the peace of mind that comes with OEM parts, the investment in the Denso sensor may be worthwhile. However, if you're working on a budget or have a unique vehicle setup, you may want to explore aftermarket alternatives.

Details:

Since they deliver OE quality and reliability, you can be confident in their superior fit function your vehicle. Corrosion-resistant stainless steel construction. Made with the use of state-of-the-art sensor technologies. Connector gender: male.

O2 sensor configuration: direct fit. Position: upstream driver side. Denso 234-9049 - air fuel ratio sensor. Designed to help reduce fuel consumption and harmful emissions.

Make sure your engine runs efficiently and produces fewer emissions by replacing malfunctioning fuel-ratio sensors with these top-notch products designed Denso.: air fuel ratio sensor 234-9049 by Denso. Sensor type: heated..

Guaranteed to deliver OE quality and reliability. Engineered with the use of cutting-edge sensor technology, they are a fantastic way to regulate engine performance and emissions.

specifications ignitioncomp:

• brand: Denso
• mpn: 234-9049
• part type: Fuel Sensor
• item height: 1.880
• item length: 5.750
• item width: 2.190
• upc: 042511117426

general ignitioncomp:

• category: Auto Parts > Car Truck Accessories > Ignition Systems Components

payments ignitioncomp:

• other
• wallet: apple-pay
• credit card: discover

seller ignitioncomp:

• # reviews: 45563
• city: saint paul, minnesota
• rating: 98.4%

offer ignitioncomp:

• started: march 12, 2026
• prices: $42.23–$140.00
• item condition:
  • New
  • New other (see details)
• options: ship-to-home
• availability: in stock
• sold #: 9
• in stock #: 5

shipping ignitioncomp:

• class: standard
• type: fixed
• service: standard
• transit: 2-5 days

returns ignitioncomp:

• paid by: seller
• time: 30 days
• policy: returns accepted