$109.68 - $285.39
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2004 Nissan Altima
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Product Details

Hitachi Accessories

Nissan Altima 2004-2005, Remanufactured Mass Air Flow Sensor by Hitachi®. Element and Housing. This product by Hitachi is designed using the latest electronic-sensing and control technology to provide precise measurement of the air volume for optimum control of the air/fuel ratio, greater fuel economy, and reduced emissions. It features premium material construction providing improved durability and maximum service life.



  • Accurate air flow measurement is 100% tested
  • Meets emissions standards
  • Calibrated for each application for improved engine efficiency and fuel mileage
  • Hot-wire type
  • Voltage and frequency type output
  • Tested to original equipment performance specification
  • Quality components provide enhanced durability
  • Backed by a 1 year warranty

If your engine stalls while decelerating to stop the vehicle, its speed becomes low while decelerating in turns, or idling speed is low or inconsistent, you may have a malfunctioning air mass sensor. It is located in the intake air stream and measures the volume of air entering the engine. The hot wire component of this sensor cools when air mass flows past. The electronic circuit component measures this change in temperature and converts it to a voltage or frequency signal. This information is transmitted to an ECU (engine control unit) to determine the amount of fuel that should be delivered to the engine so the vehicle can perform optimally.

This air mass sensor by Hitachi, a world class quality leader, accurately controls the engine’s air/fuel ratio for improved fuel economy and reduced emissions. Hitachi Automotive Systems uses advanced electronic-sensing and control technology and integrated hardware and software to provide improved fuel efficiency and reduce harmful exhaust emissions without sacrificing power, cost-effectiveness, or the driving performance of the vehicle.

Since its founding in 1910, Hitachi has expanded well beyond the creation of the five-horsepower electric induction motor that was its first product. Today, it is a recognized leader in diverse market segments. Universally known as an Original Equipment Manufacturer that serves major carmakers, Hitachi is increasing its presence in the automotive aftermarket. Headquartered in Tokyo, Japan, Hitachi is famous worldwide for its reliability, innovation, and contribution to moving society forward. The company has pioneered a number of groundbreaking car parts, including the world's first engine central control units, photoelectric crank angle sensors, turbo chargers for rotary engines, etc. With operations in Japan, North, Central and South America, Europe, and Asia, Hitachi develops and manufactures advanced vehicle parts that preserve the environment, enhance safety, and provide comfort.

Warranty Information

Limited lifetime warranty

Hitachi Products are covered by a limited lifetime warranty to be free from defects in material and workmanship 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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