GM GENUINE PARTS 12623365 Driver Fuel Injection Rail

( Brand: Gm Genuine Parts ), ( Part Type: Fuel Driver ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Buick ), ( Year: 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 ), ( Replaces Part Number: 12614938, 12622263 ), ( Item Height: 3.8 In ), ( Manufacturer Part Number: 12623365 ), ( Item Weight: 2.27 Lb. ), ( Item Width: 4.3 In )

Review GM GENUINE PARTS Driver Side Fuel Injection Rail fits 2008–2017

The GM 12623365 Driver Fuel Injection Rail is a crucial component of the fuel delivery system in select GM vehicles. This rail, specifically designed for use in 2001-2004 Chevrolet Silverado and GMC Sierra 1500 models with the 5.3L V8 engine, ensures efficient and effective fuel delivery to the engine for optimal performance.

Constructed primarily from aluminum, the Driver Fuel Injection Rail is lightweight yet robust, designed to withstand the rigors of daily driving and the demands of heavy-duty use. The rail features a series of fuel injectors, each meticulously engineered to deliver precise amounts of fuel to the engine's combustion chambers at the ideal moment during the intake stroke.

The rail design incorporates a one-piece, high-pressure fuel pump, which is responsible for pressurizing the fuel and delivering it to the injectors. This pump is designed to operate at a maximum pressure of 50 psi, allowing for a consistent fuel delivery system that contributes to improved engine efficiency and reduced emissions.

Additionally, the Driver Fuel Injection Rail includes a fuel pressure regulator, which maintains the fuel pressure at the desired level, ensuring consistent fuel delivery to the engine. This regulator is adjustable, allowing for fine-tuning of the fuel pressure for optimal engine performance.

The rail is equipped with O-ring seals and a gasket to ensure a leak-free connection between the various fuel system components, preventing fuel loss and the potential for engine damage. This rail is also compatible with GM's electronic throttle control system, allowing for seamless integration into the vehicle's fuel delivery system.

In summary, the GM 12623365 Driver Fuel Injection Rail is a crucial component in the fuel delivery system for select GM vehicles, delivering precise amounts of fuel to the engine with consistent pressure for optimal performance. Constructed primarily from aluminum, this rail is lightweight yet robust, designed to withstand the rigors of daily driving and heavy-duty use.

Buying a GM 12623365 driver fuel injection rail can have several advantages and disadvantages for vehicle owners. Here are some potential pros and cons:

1. Improved Engine Performance: A new fuel injection rail can help improve the overall performance of your engine. It ensures that fuel is delivered evenly and at the correct pressure to the injectors, which can lead to increased power and better fuel efficiency.

2. Reduced Emissions: A properly functioning fuel injection system is crucial for reducing emissions. A new fuel injection rail can help ensure that your vehicle is emitting the minimum amount of pollutants, which is important for both environmental reasons and to meet emissions regulations.

3. Reliability: A new fuel injection rail can help increase the reliability of your vehicle's fuel system. If your old fuel injection rail is causing issues, such as misfires or rough idling, a new one can help eliminate those problems and provide peace of mind.

1. Cost: Replacing a fuel injection rail can be a significant expense. The cost of the part itself, as well as the labor costs for installation, can add up quickly.

2. Installation Complexity: Installing a new fuel injection rail can be a complex process that requires specialized tools and knowledge. It's not a job that can be easily done at home, and it's important to trust the installation to a qualified mechanic.

3. Potential for Additional Repairs: In some cases, replacing a fuel injection rail may not be the only repair needed. Other components in the fuel system, such as the fuel pump or fuel injectors, may also need to be replaced.

Replacing a GM 12623365 driver fuel injection rail can provide several benefits, including improved engine performance, reduced emissions, and increased reliability. However, it's important to consider the cost and installation complexity of the repair, as well as the potential for additional repairs. Ultimately, the decision to replace the fuel injection rail should be based on the specific needs of your vehicle and your budget.

If you're experiencing issues with your vehicle's fuel system, such as rough idling, misfires, or reduced power, it may be worth considering replacing the fuel injection rail. However, before making a decision, it's important to get a diagnosis from a qualified mechanic to determine if the fuel injection rail is the root cause of the problem. Additionally, be sure to consider the cost and complexity of the repair, as well as the potential for additional repairs, before making a final decision.

part # 12623365 prices

• $59.95-$106.20

specifications injectiopug:

• for years: 2008-2017
• brand: Gm Genuine Parts
• part type: Fuel Driver
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• make: Buick
• year: 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017
• replaces part number: 12614938, 12622263
• item height: 3.8 In
• manufacturer part number: 12623365
• item weight: 2.27 Lb.
• item width: 4.3 In

shipping injectiopug:

• transit: 4-8 Days
• class: Standard, Expedited, One-day
• type: Fixed
• cost: $22.12
• service: Standard, Expedited, Overnight

offer injectiopug:

• quantity: 4
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: July 15, 2025

seller injectiopug:

• # reviews: 3044
• rating: 97.9%

payments injectiopug:

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

general injectiopug:

• Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts
• condition: New

returns injectiopug:

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

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