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2007 Toyota Sienna
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Product Details

Denso Parts

Toyota Sienna 2007-2010, Air Fuel Ratio Sensor by Denso®. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso. Engineered with the use of the cutting-edge sensor technology, they are a fantastic way to regulate engine performance and emissions. Since they deliver OE quality and reliability, you can be confident in their superior fit and function in your vehicle.


O2 Sensor Configuration: Direct Fit
Sensor Type: Heated
Connector Gender: Male
Wires Quantity: 4 Wire Leads
Thread Diameter: 0.71"(18 mm)


  • Designed to help reduce fuel consumption and harmful emissions
  • Made with the use of state-of-the-art sensor technologies
  • Corrosion-resistant stainless steel construction
  • Guaranteed to deliver OE quality and reliability
  • Proven to provide dependable service for years ahead

The emission control system of your vehicle consists of various components, including oxygen sensors, catalytic converters, throttle actuators, etc. that work together to limit the discharge of harmful gases into the atmosphere. The main purpose of the sensor is to monitor the air fuel ratio and send these data to the engine computer. If the sensor is failing, it can send incorrect information to the computer which may lead to drop in power output if the air fuel mixture is too lean or decrease in fuel efficiency if the mixture is too rich. So don’t forget to check your sensors for damages and replace them in time to ensure optimal engine operation.

With fuel prices rising and emission regulations becoming tougher and tougher, the need to know that the perfect ratio of air and fuel is maintained is more important than ever. Denso oxygen and fuel ratio sensors are a great solution to ensure optimum engine performance as well as reduce fuel consumption and emissions. Precision engineering, superior design and high OEM quality – that’s what these top-of-the-line products are recognized for. Denso sensors are manufactured utilizing superior grade materials and pioneering sensor technology to help your engine burn less fuel and produce fewer emissions. With a durable corrosion and contaminant-resistant stainless steel housing and double protection cover, these products are guaranteed to serve you for many years to come. Superior in every way, they are proven to deliver flawless first-time fit along with unrivaled performance.

Denso® factories are QS9000 and ISO9000 certified worldwide, just one of the many reasons why zero defects for parts produced in the millions is a reality for DENSO. A recipient of the prestigious Deming Award for quality in 1961, Denso spent over five decades perfecting technology and processes, a claim that few automotive manufacturers can make. Denso First Time Fit™ products — including A/C compressors, starters, alternators, oxygen sensors, ignition wire sets, fuel pumps, cabin air, oil and air filters, wiper blades and more — are products built and tested to OE-standard offered for the aftermarket by DENSO. Each of these products is precision-built for exact replacement so you don't have to worry about doing the same job twice.

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Warranty Information

Denso warrants that its Products will be free from defects in material and workmanship for 1 Year from the date of purchase by the Original Purchaser. This warranty does not apply to any Products that have been subjected to misuse, mishandling, misapplication, neglect (including but not limited to improper maintenance), improper installation, or alterations.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

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