AUDI 70321111 Upper Intake Manifold Engine Plenum Tb 4.2L V8

( Location: 23-6-1 ), ( Color: Gray ), ( Manufacturer Part Number: 70321111 ), ( Material: Plastic ), ( Vintage Part: No ), ( Placement On Vehicle: Upper ), ( Fuel Type: Gasoline ), ( Type: Intake Manifold ), ( Engine Size: 4.2 ), ( Country/region Of Manufacture: Germany )

Review AUDI Intake Manifold 4.2l V8 Engine Upper Plenum Tb Genuine Oem fits S5 2009–2012

The Audi 70321111 intake manifold is an essential component of the 4.2L V8 engine found in Audi S5 models produced between 2009 and 2012. This intake manifold, also referred to as the upper plenum and throttle body assembly, plays a crucial role in the engine's combustion process by managing the intake airflow.

The intake manifold is meticulously crafted using high-quality materials, ensuring durability and reliability. It features a sleek design that seamlessly integrates with the engine compartment. The manifold's upper plenum is responsible for equalizing the air charge pressure from each cylinder's intake port before it enters the throttle body. This process ensures optimal air-fuel mixture for efficient combustion.

The intake manifold also houses the throttle body, which regulates the amount of air that enters the engine in response to the driver's accelerator input. The throttle body design allows for smooth and responsive engine performance, ensuring a satisfying driving experience.

The Audi 70321111 intake manifold is a direct replacement for the original equipment, ensuring a perfect fit and function. It is engineered to meet or exceed OEM specifications, ensuring reliable and efficient engine operation. Installation is straightforward, with no modifications required, making it an excellent choice for DIY enthusiasts or professional technicians.

In summary, the Audi 70321111 intake manifold is a vital component of the 4.2L V8 engine found in Audi S5 models from 2009 to 2012. Its meticulously crafted design ensures efficient airflow management and optimal engine performance. This direct replacement intake manifold is a reliable and cost-effective solution for maintaining or upgrading the engine in your Audi S5.

Pros and Cons of Buying an Audi 70321111 Intake Manifold for a 2009-2012 S5 V8 Engine

The Audi 70321111 intake manifold is a crucial component of the 4.2L V8 engine found in the 2009-2012 Audi S5. Replacing it can be an essential repair, especially if it's damaged or causing performance issues. In this analysis, we will discuss the pros and cons of buying and installing this intake manifold component.

1. Improved Engine Performance: A new intake manifold can enhance engine performance by ensuring proper airflow to the engine. This can lead to improved throttle response, increased horsepower, and torque.

2. Reduced Emissions: A worn-out or faulty intake manifold can cause increased emissions. Replacing it with a new one can help reduce harmful exhaust gases, making your vehicle more eco-friendly.

3. Long-Lasting Solution: A high-quality aftermarket intake manifold, like the Audi 70321111, can last longer than the OEM (Original Equipment Manufacturer) part due to its robust design and materials.

4. Cost-Effective: In some cases, an aftermarket intake manifold may cost less than the OEM equivalent, especially if you're considering used or rebuilt parts from a reputable supplier.

1. Installation Complexity: Installing an intake manifold is a complex process that requires expertise and specialized tools. It is not a DIY task for most people and will likely require the assistance of a professional mechanic.

2. Potential for Vacuum Leaks: During installation, there is a risk of creating vacuum leaks, which can cause a variety of issues, including poor engine performance and increased fuel consumption. Proper sealing and reassembly are essential to prevent these issues.

3. Cost: While an aftermarket intake manifold may be less expensive than the OEM part, the cost of installation and potential additional parts (gaskets, seals, etc.) can add up.

4. Incompatibility: Ensure that the aftermarket intake manifold is compatible with your specific engine and vehicle configuration before purchasing.

The decision to buy and install an Audi 70321111 intake manifold for a 2009-2012 S5 V8 engine depends on your specific circumstances. If you're experiencing performance issues, increased emissions, or are planning a performance upgrade, a new intake manifold can be a worthwhile investment. However, consider the complexity of the installation process, potential vacuum leaks, and additional costs to ensure you're making an informed decision.

If you decide to proceed with the intake manifold replacement, research reputable aftermarket manufacturers and suppliers to ensure you're getting a high-quality part. Additionally, consider working with a professional mechanic to ensure proper installation and avoid potential vacuum leaks.

Details:

part #: 70321111 price

• $12.99

specifications inputmanifolds:

• for models: S5
• for makes: Audi
• for years: 2009-2012
• location: 23-6-1
• color: Gray
• manufacturer part number: 70321111
• material: Plastic
• vintage part: No
• placement on vehicle: Upper
• fuel type: Gasoline
• type: Intake Manifold
• engine size: 4.2
• country/region of manufacture: Germany

shipping inputmanifolds:

• transit: 3-9 Days
• type: Calculated
• class: Economy, Standard
• cost: $45.12
• service: FedEx Ground Economy, USPS Ground Advantage, FedEx Ground or FedEx Home Delivery, UPS Ground
• carrier: FedEx, USPS, UPS

seller inputmanifolds:

• rating: 98.7%
• # reviews: 76
• city: Oldsmar, Florida

returns inputmanifolds:

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

general inputmanifolds:

• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds
• condition: Used

payments inputmanifolds:

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

offer inputmanifolds:

• quantity: 1
• options: Ship-to-home
• sold: 0
• started: May 27, 2025
• best offers: True
• availability: In Stock

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