NISSAN 300-77725C Engine Federal Emissions 2.5L 4TH 291128

( Model: ALTIMA ), ( Part Type: Engine ), ( Conditions Options: 2.5l Tested Ran Great ), ( Genuine Oem: Yes ), ( Ipn: 300-77725c )

Review NISSAN Engine 2.5l Vin 4th Digit Federal Emissions Fits fits ALTIMA QR25DE 2008–2009

Introducing the Nissan QR25DE 2.5-liter four-cylinder engine, a powerful and efficient powerhouse specifically designed for select models like the 2009 Nissan Altima. This engine autonomously conforms to stringent Federal Emissions regulations, enabling it to deliver an exceptional driving experience without compromising environmental responsibility.

Weighing in at 2,498cc, the QR25DE is engineered for the fourth generation of this renowned engine family. It is known for its refined drivability, smoothness, and quietness. The engine block uses an Aluminum alloy construction for decreased weight and enhanced strength. additionally, the engine employs a DOHC (Double Overhead Camshaft) 16-valve configuration, which optimizes valve control, promotes superior air and fuel intake, and enhances exhaust efflux, ultimately translating into increased power and improved fuel efficiency.

The intake system features a large-diameter air intake manifold, combined with a high-performance air cleaner, generating ample airflow for the engine. This is crucial in enabling a more complete combustion process that results in better fuel efficiency and lower emissions.

The Nissan QR25DE engine is equipped with a variable intake system known as the Continuously Variable Valve Timing Control System (CVTCS). This system ensures a consistent power delivery by optimizing valve timing based on engine demand and operating conditions. Additionally, the engine features Nissan's innovative CAS (Continuously Variable Valve Lift System), which allows for more precise fuel control and optimal engine performance under various driving scenarios.

A noteworthy feature of this engine is its advanced emissions reduction technology. The QR25DE employs catalytic converters, complemented by a secondary Air Injection system, ensuring it meets Federal Emissions standards. These components reduce harmful emissions, including nitrogen oxides and carbon monoxide, ensuring that this engine offers a cleaner, greener driving experience while maintaining optimal performance.

Furthermore, the block features a robust cast-iron cylinder liner design that secures a strong and uniform heat distribution within the engine. This not only grants the engine unparalleled durability but also retains consistency, thereby producing outstanding engine performance across its entire operational temperature range.

The QR25DE engine packing all these advanced features in a compact size that ensures improved fuel economy, heightened durability, and exceptional power output. This engine promises to offer a memorable driving experience, merging a responsive and agile powertrain with eco-conscious technology, definitively making it an exceptional choice for your Nissan Altima.

The Nissan QR25DE 2.5-liter 4-cylinder engine, as found in the 2009 Altima (model number 300-77725C), comes with its own set of advantages and disadvantages for potential buyers. Here are some key points regarding this engine:

1. Fuel Efficiency: With a combined EPA rating of 32 mpg, this engine offers decent fuel economy for a family sedan.

2. Reliability: Many owners report that this engine is durable and long-lasting, especially when properly maintained.

3. Smooth operation: The QR25DE engine is known for its smoothness and refinement, providing a pleasant driving experience.

4. Torque: With 175 lb-ft of torque, this engine provides decent low-end power, making it suitable for daily driving and highway trips.

5. Affordability: This engine is affordable to purchase used and maintain due to its widespread use in Nissan vehicles.

1. Camber wear: Some reports suggest that the QR25DE engine suffers from camber wear, which can lead to potentially expensive repairs or camphor replacement if not addressed in a timely manner.

2. Oil consumption: Some drivers report that this engine consumes oil, requiring more frequent top-offs and possible replacement of the crankshaft seal.

3. Timing chain tensioner: There have been reports of timing chain tensioner failure, which can result in a significant repair bill.

4. Emissions system: As a federal emissions engine, it may require more expensive maintenance or replacement of emissions parts due to increased complexity and tightening emissions standards.

The Nissan QR25DE 2.5-liter 4-cylinder engine offers decent fuel economy, reliability, smoothness, and power for a family sedan. However, it also comes with some potential drawbacks, such as possible camber wear, oil consumption, and more expensive maintenance due to emissions equipment.

If you are considering purchasing a used Nissan Altima with this engine, we recommend that you have a trusted mechanic inspect the vehicle thoroughly. Be sure to address any potential issues, such as camshaft sensors or camber wear, proactively to avoid costly repairs down the line. Additionally, ensure that the vehicle has been maintained according to the manufacturer's recommended schedule to minimize any potential complications. If the price is right and the vehicle is in good condition, this engine can provide a reliable and enjoyable driving experience.

Details:

part #: 300-77725c prices

• $319.99-$789.70

specifications grokengines:

• for models: Qr25de, Altima
• for makes: Nissan
• for years: 2008-2009
• model: Altima
• part type: Engine
• conditions options: 2.5l Tested Ran Great
• genuine oem: Yes
• ipn: 300-77725c

returns grokengines:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

shipping grokengines:

• cost: $250.00
• service: Flat Rate Freight
• class: Freight
• type: Fixed

seller grokengines:

• rating: 98.2%
• city: Rockford, Illinois
• # reviews: 873

general grokengines:

• Car Truck Parts Accessories > Engines Engine Parts > Engines
• condition: Used

payments grokengines:

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

offer grokengines:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: February 9, 2025

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