NISSAN Engine 2.5L MEC35-523-A1

( Protection Lock: No ), ( Mounting Style: Bolt-on ), ( Input Connection: Supply Voltage Ground ), ( Programming Required: Yes ), ( Maximum Amperage: 35 A ), ( Memory: Eeprom ), ( Manufacturer Part Number: MEC35523A1 ), ( Terminal Type: Pin ), ( Placement On Vehicle: Front ), ( Type: Engine Control Unit ), ( Manufacturer Warranty: 1 Month ), ( Connector Type: Female ), ( Features: Easy Installation )

Review NISSAN 2.5l Engine Computer Oem fits ALTIMA

The Nissan MEC35-523-A1 is a 2.5-liter inline-4 cylinder engine specifically designed for use in the Nissan Altima model. This engine is a key component of the vehicle's powertrain system, delivering impressive performance and fuel efficiency.

The MEC35-523-A1 engine features a DOHC (Double Overhead Camshaft) design, which allows for more efficient intake and exhaust valve operation. This results in increased power output and improved engine response. The engine also utilizes Continuous Variable Valve Timing Control System (CVTCS) and Continuous Variable Valve Lift System (CVVL), allowing for optimal valve timing and lift at all engine speeds for enhanced performance and fuel efficiency.

The engine block is made of aluminum alloy, which helps to reduce weight and improve cooling efficiency. The cylinder bores are lined with a durable, iron sleeve to ensure long-lasting engine performance. The engine also features a cast-iron crankshaft and forged connecting rods for added strength and durability.

The MEC35-523-A1 engine produces a peak horsepower of 182 6000 rpm and a peak torque of 180 lb-ft 4400 rpm. It is designed to run on regular unleaded gasoline with a recommended octane rating of 87. The engine also features a compact and efficient design, allowing for a roomy interior and improved fuel economy.

The engine comes with a number of advanced features, including a variable intake system, a 3-way catalytic converter, and an electronic throttle control system. These features help to enhance performance, reduce emissions, and improve fuel efficiency.

The Nissan MEC35-523-A1 engine is a reliable and efficient powertrain solution for the Nissan Altima. Its advanced design and innovative features make it a top choice for drivers looking for a powerful, fuel-efficient, and long-lasting engine. With its impressive performance and fuel efficiency, the MEC35-523-A1 engine is sure to provide you with a driving experience that is both enjoyable and satisfying.

Nissan MEC35-523-A1 Altima 2.5L Engine: A Comprehensive Analysis

The Nissan MEC35-523-A1 Altima 2.5L engine is a popular choice for those seeking a reliable and efficient powertrain. In this analysis, we will discuss the key features, advantages, and disadvantages of this engine to help you make an informed decision.

1. Inline-4, DOHC, 16-valve design

2. Displacement: 2,497 cc (152.3 cu in)

3. Maximum power output: 175 hp 6,000 rpm

4. Maximum torque: 171 lb-ft 4,400 rpm

5. Aluminum engine block and cylinder head

1. Fuel Efficiency: With its advanced engineering, this engine delivers impressive fuel economy.

2. Smooth Performance: The DOHC design ensures smooth power delivery, while the 16-valve configuration enhances engine responsiveness.

3. Durability: The use of an aluminum engine block and cylinder head helps reduce weight and improve durability.

4. Modern Technology: This engine features modern technologies such as variable valve timing and electronic fuel injection.

1. Power Output: Compared to larger engines, the 2.5L engine may not provide sufficient power for heavy-duty applications or high-speed driving.

2. Maintenance: Regular maintenance, such as oil changes and tune-ups, is essential to ensure optimal performance and longevity.

3. Cost: New and used prices for this engine can be relatively high, which may be a deterrent for some buyers.

The Nissan MEC35-523-A1 Altima 2.5L engine is a well-engineered powertrain that offers impressive fuel efficiency, smooth performance, and modern technology. However, it may not provide sufficient power for heavy-duty applications, and its cost may be a concern for some buyers. If you're looking for a reliable and efficient powertrain for everyday driving, this engine is an excellent choice. However, if you require more power or are on a tight budget, you may want to consider alternative options.

For those seeking a reliable and efficient engine for everyday driving, the Nissan MEC35-523-A1 Altima 2.5L engine is an excellent choice. Its smooth performance, modern technology, and impressive fuel economy make it a top contender in the market. However, if you require more power or are on a tight budget, you may want to explore alternative engines, such as a larger 3.5L V6 or a used 2.5L engine from an earlier model. Ultimately, the decision depends on your specific needs and preferences.

Details:

The Nissan Altima 2.5L Engine Computer OEM MEC35-523-A1 is a bolt-on Control Unit ECU designed for easy installation on the front of vehicle. This pin terminal ECU features a female connector type and is specifically designed for Nissan vehicles, offering reliable performance stability your car or truck. It requires programming and has a maximum amperage of 35A, with 1-month manufacturer warranty.

part #: mec35523a1 prices

• $36.00-$349.99

specifications ecusrush:

• for models: Altima
• for makes: Nissan
• protection lock: No
• mounting style: Bolt-on
• input connection: Supply Voltage Ground
• programming required: Yes
• maximum amperage: 35 A
• memory: Eeprom
• manufacturer part number: MEC35523A1
• terminal type: Pin
• placement on vehicle: Front
• type: Engine Control Unit
• manufacturer warranty: 1 Month
• connector type: Female
• features: Easy Installation

shipping ecusrush:

• service: USPS Ground Advantage
• class: Standard
• transit: 4-8 Days
• type: Calculated
• carrier: USPS
• cost: $0.00

general ecusrush:

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

offer ecusrush:

• availability: In Stock
• quantity: 1
• started: April 28, 2026
• sold: 0
• options: Ship-to-home
• best offers: True

payments ecusrush:

• other
• wallet: Google-pay
• credit card: Visa

returns ecusrush:

• policy: No Returns

seller ecusrush:

• rating: 100.0%
• city: Hialeah, Florida
• # reviews: 5

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