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  3. HITACHI MEC35-520

HITACHI MEC35-520 Engine Ecm Ecu 2.5L

fits model: Altima. make: Nissan. year: 2005–2006.

Mec35-520 Hitachi 2005 - 2006 Nissan Altima 2.5l Engine Computer Ecm Ecu Nb

( Brand: Hitachi ), ( Type: Engine Control Unit ), ( Programming Required: Yes ), ( Manufacturer Warranty: 1 Month ), ( Terminal Type: Pin ), ( Manufacturer Part Number: MEC35-520 ), ( Features: Easy Installation ), ( Country/region Of Manufacture: Japan ), ( Placement On Vehicle: Front )

Review HITACHI Nissan 2.5l Engine Computer Ecm Ecu Nb fits ALTIMA 2005–2006

The Hitachi MEC35-520 is an Engine Control Module (ECM) or Engine Computer Unit (ECU) specifically designed for use with the 2.5L engine in certain Nissan Altima models produced in the years 2005 and 2006. This ECM is a crucial component of the vehicle's engine management system, as it is responsible for monitoring and controlling various engine functions to ensure optimal performance and fuel efficiency.

This Hitachi ECM is a sophisticated piece of automotive technology, featuring advanced microprocessor control and state-of-the-art diagnostic capabilities. It is designed to work in harmony with other engine systems, such as the fuel injection system, ignition system, and emission control systems, to maintain an ideal engine operating condition.

The Hitachi MEC35-520 is a compact, yet robust unit, with a sleek, black housing that blends seamlessly with the engine bay. It is built to withstand the rigors of daily driving, as well as the occasional rough road or extreme temperature, ensuring reliable operation under a wide range of conditions.

This ECM is equipped with a number of advanced features, including real-time monitoring of engine parameters, such as engine speed, fuel pressure, air/fuel ratio, and exhaust gas temperature. It also has the ability to store and retrieve diagnostic trouble codes, making it easier for technicians to diagnose and repair any issues that may arise.

Furthermore, the Hitachi MEC35-520 is designed to be easily installable, with a plug-and-play harness that connects directly to the vehicle's wiring harness. This makes it an ideal replacement for a faulty or failing OEM ECM, as it eliminates the need for time-consuming and complex wiring modifications.

In summary, the Hitachi MEC35-520 is a high-performance, reliable, and easy-to-install Engine Control Module specifically designed for use with the 2.5L engine in certain Nissan Altima models produced in the years 2005 and 2006. It is an essential component of the vehicle's engine management system, and is capable of ensuring optimal engine performance, fuel efficiency, and emissions compliance.

The Hitachi MEC35-520 is an Engine Control Module (ECM or ECU) used in certain Nissan Altimas with the 2.5L engine, manufactured between 2005 and 2006. Here are some potential pros and cons of buying this used ECM:

Pros:

1. Cost-effective: Buying a used ECM can save significant money compared to purchasing a new one from a dealership.

2. Availability: Aftermarket parts are often more readily available compared to OEM (Original Equipment Manufacturer) parts, making it easier to find a used ECM.

3. Functionality: A used ECM that is in good condition can perform all the necessary functions of the original ECM, ensuring proper engine operation.

Cons:

1. Unknown condition: The condition and history of the used ECM are unknown, which could lead to potential issues or even failure.

2. Compatibility: There could be compatibility issues with the used ECM, especially if it has been programmed for a different vehicle or if there are differences in the wiring harness.

3. Risk of damage: There is a risk of damaging the ECM during installation or transportation, which could result in additional costs.

Conclusion:

Buying a used Hitachi MEC35-520 ECM for a 2005-2006 Nissan Altima 2.5L engine can offer cost savings and availability advantages. However, it also comes with potential risks, such as unknown condition, compatibility issues, and the risk of damage. To mitigate these risks, it's important to ensure the used ECM is from a reputable source, is in good condition, and is compatible with the vehicle. If possible, it's recommended to have the ECM professionally installed to minimize the risk of damage during installation. Overall, the decision to buy a used Hitachi MEC35-520 ECM depends on the individual's budget, technical expertise, and risk tolerance.

Details:

It is designed for easy installation on the front of vehicle, featuring 2 pin terminals. The part number is MEC35-520, and it suitable for Nissan Altima model's from 2005 to 2006. This ECU requires programming and comes with a 1-month manufacturer warranty. The 2005 - 2006 Nissan Altima 2.5L Engine Computer ECM ECU MEC35-520 is an Control Unit ECU manufactured by Hitachi in Japan.

part #: mec35520 price

  • $180.00

specifications ecusrush:

  • for models: Altima
  • for makes: Nissan
  • for years: 2005-2006
  • brand: Hitachi
  • type: Engine Control Unit
  • programming required: Yes
  • manufacturer warranty: 1 Month
  • terminal type: Pin
  • manufacturer part number: MEC35-520
  • features: Easy Installation
  • country/region of manufacture: Japan
  • placement on vehicle: Front

seller ecusrush:

  • # reviews: 556
  • rating: 100.0%
  • city: Los Angeles, California

general ecusrush:

  • condition: Used
  • Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > ECUs Computer Modules

returns ecusrush:

  • time: 14 Days
  • policy: Returns Accepted
  • paid by: Buyer

payments ecusrush:

  • wallet: Apple-pay
  • other
  • credit card: Diners-club

offer ecusrush:

  • sold: 0
  • availability: In Stock
  • started: September 20, 2025
  • quantity: 1
  • options: Ship-to-home

shipping ecusrush:

  • carrier: USPS
  • transit: 5-11 Days
  • cost: $22.29
  • type: Calculated
  • service: USPS Ground Advantage
  • class: Standard
for models: altima, for makes: nissan, for years: 2005-2006, type: engine control unit, programming required: yes, manufacturer warranty: 1 month, terminal type: pin, features: easy installation, country/region of manufacture: japan, placement on vehicle: front,
category: auto parts > car truck parts accessories > starters, alternators, ecus wiring > ecus computer modules, sku: 10588644553646753,

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1 offer $180.00 USD
  • Used. Offer #1 priced at $180.00 + $23.64 delivery = $203.64* total. The part number is , and it is suitable for Nissan Altima models from 2005 to 2006. The 2005 - 2006 Nissan Altima 2.5L Engine Computer ECM ECU is an Engine Control Unit (ECU) manufactured by Hitachi in Japan.+$23.64 shipping

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