AUDI 079133315AR Left Fuel Rail Supply V8

( Part Type: Fuel Supply ), ( Manufacturer Part Number: 079133315AR ), ( Interchangeable Part Number: 079-133-315-ar, 079 133 315 Ar ), ( Interchangeable Alternate Part Number A: 079-133-315-am, 079 133 315 Am )

Review AUDI V8 Left Fuel Rail Supply fits A8 2011–2018

The Audi 079133315AR Fuel Rail Supply is a crucial component of the fuel system in select Audi A8 V8 models from 2011 to 2018. This part is designed to deliver fuel efficiently and evenly to the engine for optimal performance.

The fuel rail supply is a high-pressure component that connects the fuel rail to the engine's fuel injectors. It is made of durable materials, such as aluminum, and is engineered to withstand the extreme pressures and temperatures encountered within the engine compartment.

The fuel rail supply features a precise design, with internal passages that ensure an even fuel distribution to each injector. This ensures that the air-fuel mixture is correctly metered into the engine cylinders, which is essential for efficient combustion and reliable engine operation.

This Audi original part is engineered to meet the exacting standards of the vehicle manufacturer, ensuring that it fits and functions perfectly in your Audi A8 V8. It is also designed to work seamlessly with other engine components, such as the fuel pressure regulator and the fuel pump.

The fuel rail supply is relatively easy to install, with no major modifications required. However, it is recommended that the installation is performed by a qualified technician to ensure that the fuel system is properly bled and adjusted for optimal performance.

In summary, the Audi 079133315AR Fuel Rail Supply is a vital component of the fuel system in select Audi A8 V8 models from 2011 to 2018. It is designed to deliver fuel efficiently and evenly to the engine, ensuring optimal performance and reliable engine operation. This part is engineered to meet the exacting standards of the vehicle manufacturer, making it a smart choice for Audi owners looking for a high-quality and reliable solution.

Buying an Audi 031-333-15-AR left fuel rail supply for your 2011-2018 A8 V8 can be a worthwhile investment, but it's important to consider both the advantages and disadvantages before making a purchase.

1. Improved Fuel Efficiency: A worn-out or faulty fuel rail supply can cause inefficient fuel injection, leading to increased fuel consumption. Replacing the faulty part can help restore optimal fuel efficiency.

2. Better Engine Performance: A new fuel rail supply can improve engine performance by ensuring that fuel is delivered evenly and efficiently to the engine's cylinders. This results in smoother acceleration and better overall performance.

3. Reduced Emissions: A faulty fuel rail supply can cause the engine to run rich, leading to increased emissions. Replacing the faulty part can help reduce emissions and improve the vehicle's overall environmental friendliness.

4. Longer Engine Life: By addressing a potential issue before it causes significant damage, you can help extend the life of your engine and avoid costly repairs down the line.

1. Cost: Replacing the fuel rail supply can be an expensive repair, especially if you choose to purchase a new OEM part. Aftermarket alternatives may be more affordable, but it's important to ensure they meet the same quality standards.

2. Installation Complexity: The fuel rail supply is a critical component of the vehicle's fuel system, and replacing it can be a complex process that requires specialized tools and skills. If you're not comfortable with the installation process, it may be best to leave it to a professional mechanic.

3. Potential for Errors: When replacing the fuel rail supply, it's important to ensure that all the connections are made correctly and that the new part is properly secured. Failure to do so could result in leaks or other issues that could be more costly to repair than the initial part replacement.

Replacing the Audi 031-333-15-AR left fuel rail supply for your 2011-2018 A8 V8 can offer significant benefits, including improved fuel efficiency, better engine performance, reduced emissions, and longer engine life. However, the cost and complexity of the repair, as well as the potential for errors during installation, should be carefully considered before making a purchase. Ultimately, if you're experiencing issues with your fuel rail supply or suspect that it may be worn out, it's important to address the issue promptly to avoid more costly repairs down the line.

If you're confident in your mechanical abilities and have the necessary tools and experience, purchasing and installing a new Audi OEM fuel rail supply can be a good investment. However, if you're unsure about your ability to install the part yourself or prefer to save on costs, consider purchasing an aftermarket alternative from a reputable supplier. Regardless of your choice, it's important to ensure that the new part is installed correctly to avoid any potential issues. If you're not confident in your ability to install the part yourself, it may be best to leave the repair to a professional mechanic.

part # 079133315ar prices

• $42.49-$418.50

specifications injectiopug:

• for models: A8
• for makes: Audi
• for years: 2011-2018
• part type: Fuel Supply
• manufacturer part number: 079133315AR
• interchangeable part number: 079-133-315-ar, 079 133 315 Ar
• interchangeable alternate part number a: 079-133-315-am, 079 133 315 Am

seller injectiopug:

• # reviews: 2886
• rating: 100.0%

offer injectiopug:

• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: July 22, 2025
• best offers: True

general injectiopug:

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

returns injectiopug:

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

payments injectiopug:

• other
• credit card: Diners-club
• wallet: Paypal

shipping injectiopug:

• service: Standard
• transit: 3-7 Days
• cost: $16.00
• class: Standard
• type: Fixed

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