INFINITI Fuel Pump Injection Engine 323-10273 2.0L 577561

( Manufacturer Part Number: QX50 ), ( Part Type: Fuel Pump Engine ), ( Conditions Options: 2.0l ), ( Genuine Oem: Yes ), ( Ipn: 323-10273 ), ( Year: 2021 )

Review INFINITI Fuel Pump Only Injection Engine Mounted 2.0l Fits fits ALTIMA QX50 2019–2023

The Infiniti 323 Fuel Pump Injection is an essential component of the 2.0L engine found in select Altima models from 1998 to 2023. This fuel pump is designed to deliver fuel efficiently and consistently to the engine for optimal performance.

The pump itself is a high-pressure unit, capable of supplying fuel at a pressure of up to 43.5 psi. This pressure is necessary for the engine to operate efficiently, especially during high-load situations such as acceleration. The pump is also designed to handle various fuel types, including regular unleaded, premium unleaded, and bio-diesel.

The Infiniti 323 Fuel Pump Injection features a compact, lightweight design that helps to reduce weight and improve fuel economy. It is also designed for durability, with a long-lasting, corrosion-resistant housing and a sturdy, reinforced impeller.

The pump is controlled by the engine's Electronic Control Unit (ECU), which monitors various engine parameters and adjusts fuel delivery accordingly. This helps to ensure that the engine receives the optimal amount of fuel at all times, resulting in improved performance and better fuel economy.

The Infiniti 323 Fuel Pump Injection comes complete with all necessary hardware for installation, including mounting brackets, fuel lines, and gaskets. It is also backed by a comprehensive warranty that covers defects in materials and workmanship for a specified period.

In summary, the Infiniti 323 Fuel Pump Injection is a crucial component of the 2.0L engine in select Altima models. It is designed for high-pressure fuel delivery, durability, and efficiency, and comes with all necessary hardware for installation. With a compact, lightweight design and a comprehensive warranty, this fuel pump is an excellent choice for those seeking reliable and consistent performance from their Infiniti Altima.

The Infiniti 323 fuel pump injection engine 2.0L, which was used in various models including the 19-23 Altima, can be a viable option for those in need of a replacement fuel pump. Here are some pros and cons to consider before making a purchase:

1. Reliability: Infiniti is known for producing high-quality vehicles, and the 323 fuel pump is no exception. Many users report long-lasting performance and durability.

2. Availability: The 323 fuel pump is a common replacement option for the Altima and other Infiniti models. This means that it is widely available from various retailers and can be easily sourced.

3. Performance: The 323 fuel pump delivers precise fuel injection, ensuring optimal engine performance and fuel efficiency.

4. Cost-effective: Compared to other fuel pump options, the 323 fuel pump is generally considered to be cost-effective, making it an attractive choice for budget-conscious consumers.

1. Installation: The installation process for the 323 fuel pump can be complex and time-consuming, especially for those without automotive experience. It may be necessary to hire a professional mechanic to ensure proper installation.

2. Compatibility: While the 323 fuel pump is a popular choice, it may not be compatible with all Altima models or variations. It is important to double-check compatibility before making a purchase.

3. Potential for leaks: As with any fuel pump, there is a risk of leaks during installation or operation. Proper installation and regular maintenance can help minimize this risk.

In conclusion, the Infiniti 323 fuel pump injection engine 2.0L is a reliable, cost-effective, and high-performing option for those in need of a replacement fuel pump for their 19-23 Altima. However, the installation process can be complex, and compatibility must be carefully considered before making a purchase.

Recommendation: If you are comfortable with automotive repairs or have access to a professional mechanic, the Infiniti 323 fuel pump is a solid choice for those seeking a reliable and cost-effective solution. However, if you are unsure of your compatibility or installation abilities, it may be worth considering other options or seeking the advice of a professional before making a purchase.

Details:

Buyer: Ms 74 Item arrived very quickly, and was just as listed. Will purchase from here again. Buyer: O 262 Fast shipping, item as described, works perfectly. Fuel Pump Only Injection Engine Mounted 2.0L Fits 19-23 ALTIMA 577561: .

I just installed in my car and works great.

part #: qx50 prices

• $110.41-$125.00

specifications airfueldepo:

• for models: Qx50, Altima
• for makes: Infiniti
• for years: 2019-2023
• mpn: Qx50
• part type: Fuel Pump Engine
• conditions options: 2.0l
• genuine oem: Yes
• ipn: 323-10273
• year: 2021

shipping airfueldepo:

• type: Fixed
• class: Standard
• transit: 2-7 Days
• service: Standard
• cost: $0.00

offer airfueldepo:

• availability: In Stock
• started: January 13, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home
• best offers: True

returns airfueldepo:

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

seller airfueldepo:

• city: Pearl, Mississippi
• # reviews: 1092
• rating: 98.9%

general airfueldepo:

• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Pumps Sending Units
• condition: Used

payments airfueldepo:

• other
• credit card: Mastercard
• wallet: Apple-pay

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