1. Superchargers & Parts Offered
  2. sku: 2654822199071753
  3. AUDI S4-AUDI

AUDI 321.AU1H21 Supercharger Turbo/supercharger 29095479

fits model: S4, Turbo. make: Audi. year: 2021.

321.au1h21 Audi S4 2021 Turbo/supercharger 29095479

( Model: S4-AUDI ), ( Conditions Options: 3.0, Flr, 8at ), ( Genuine Oem: Yes ), ( Ipn: 321.au1h21 ), ( Manufacturer Warranty: 90 Day ), ( Partout Id: A-79945321 )

Review AUDI Turbo/supercharger fits S4 TURBO 2021

Introducing the Audi S4 2021 (321.AU1H21) with its advanced turbo/supercharged engine a perfect blend of power and efficiency. This model is part of Audi's prestigious S-line, offering a dynamic and sporty driving experience.

Under the hood, you'll find a 3.0-liter TFSI engine, boasting a powerful output of 394 horsepower and 354 lb-ft of torque. This engine is enhanced with both a turbocharger and a supercharger, providing an immediate response and impressive acceleration. The quattro all-wheel-drive system ensures optimal traction and stability, allowing for exhilarating performance on both dry and wet roads.

The exterior of the Audi S4 exudes sophistication and athleticism. Its bold singleframe grille, distinctive S-line bumper, and large exhaust tips are just a few of the design elements that set this vehicle apart. The standard 19-inch wheels are both stylish and practical, while the available 20-inch wheels offer an even more assertive look.

Inside the cabin, you'll find a harmonious blend of luxury and technology. The S4 comes standard with leather-trimmed seats, offering both comfort and style. The available Virtual Cockpit Plus display provides customizable information directly in your line of sight, keeping you informed and focused on the road ahead. The MMI Navigation plus system offers intuitive control, allowing you to easily access your favorite music, navigation, and communication features.

Safety is a top priority in the Audi S4. Standard features include a rearview camera, Audi side assist with pre sense rear, and a tire pressure monitoring system. Additionally, available driver assistance technologies, such as adaptive cruise control and a 360-degree camera system, provide an added layer of confidence and convenience.

The Audi S4 2021 is not just a car; it's a statement. With its powerful engine, sporty design, and advanced technology, it delivers an unforgettable driving experience. Whether you're commuting to work or embarking on a road trip, this vehicle is sure to impress.

The Audi S4 2021 with the turbo/supercharged 2.9 TFSI engine, identified by the VIN number 29095479, is a high-performance sedan that offers a unique blend of luxury, power, and handling. However, like any automobile, it comes with its own set of advantages and disadvantages.

Pros:

1. Powerful Engine: The turbo/supercharged 2.9 TFSI engine delivers an impressive 349 horsepower and 369 lb-ft of torque, providing quick acceleration and responsive power.

2. Handling: The Audi S4 comes with Audi's quattro all-wheel-drive system and adjustable driving modes, allowing for exceptional handling and stability.

3. Luxurious Interior: The cabin is well-appointed with premium materials, advanced technology features, and ample space for passengers and cargo.

4. Fuel Efficiency: For a high-performance sedan, the Audi S4 offers decent fuel economy, with an estimated 21 mpg in the city and 30 mpg on the highway.

5. Advanced Safety Features: The S4 comes standard with a host of advanced safety features, including lane departure warning, blind spot monitoring, and rear cross-traffic alert.

Cons:

1. Price: The Audi S4 is a premium vehicle, and its price tag reflects that. It may be out of reach for some buyers.

2. Complex Engine: The turbo/supercharged engine is more complex than a traditional engine, which could lead to higher maintenance and repair costs.

3. Ride Comfort: The S4's sport-tuned suspension may not provide the smoothest ride, especially on rough roads.

4. Infotainment System: Some users have reported issues with the MMI infotainment system, including slow response times and glitches.

Conclusion:

The Audi S4 2021 with the turbo/supercharged 2.9 TFSI engine offers a thrilling driving experience, luxurious interior, and advanced safety features. However, it comes with a high price tag, complex engine, and potential issues with the infotainment system. Ultimately, if you're in the market for a high-performance sedan and can afford the additional costs, the Audi S4 2021 could be an excellent choice. However, if you're looking for a more affordable option or prioritize a smoother ride, you may want to consider other vehicles.

Recommendation:

If you're set on the Audi S4 but are concerned about the cost or potential issues, you may want to consider leasing rather than buying. Leasing allows you to enjoy the vehicle's features without the long-term commitment or high upfront costs. Alternatively, you could consider a used Audi S4 or a different high-performance sedan that may offer similar performance but at a lower price point.

Details:

No Hardware, Accessories. Warranty does not cover negligence or abuse of unit. Verify and check fluid type, levels, viscosity requirements. Timing components, injectors, oil cooler, thermostat, and water pump must be replaced.

IT IS required THAT YOU re-seal the transmission and engine oil pans. The torque converter must be properly seated and aligned to the front pump. B R cannot and will not guarantee miles. If heat tabs are melted or removed, warranty void.

Check with the dealer as components may be different. Transfer Case. We remove the oil pan and filter to inspect unit. Residential delivery is not included in the free shipping.

Small Parcel Shipping UPS/FedEx: Free shipping on all small parcel orders. Air bags must be installed and inspected by a factory trained certified technician. Inspected and replace seals before installation if necessary. It is required that you re-seal transmission and engine oil pans.

Cooling lines must be flushed of debris before installing. Inspect and replace seals before installation if necessary.

part #: 321.au1h21 price

  • $652.70

specifications reppchargers:

  • for models: S4, Turbo
  • for makes: Audi
  • for years: 2021
  • model: S4-audi
  • conditions options: 3.0, Flr, 8at
  • genuine oem: Yes
  • ipn: 321.au1h21
  • manufacturer warranty: 90 Day
  • partout id: A-79945321

general reppchargers:

  • condition: Used
  • Air Fuel Delivery > Turbos, Superchargers Intercoolers > Turbos Parts

payments reppchargers:

  • credit card: Mastercard
  • wallet: Paypal
  • other

offer reppchargers:

  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • started: June 24, 2025
  • best offers: True
  • sold: 0

returns reppchargers:

  • time: 60 Days
  • paid by: Buyer
  • policy: Returns Accepted

shipping reppchargers:

  • cost: $10.00
  • service: Standard
  • transit: 3-8 Days
  • type: Fixed
  • class: Standard

seller reppchargers:

  • rating: 93.7%
  • # reviews: 61140
  • city: Corvallis, Oregon
for models: s4, turbo, for makes: audi, for years: 2021, conditions options: 3.0, flr, 8at, genuine oem: yes, manufacturer warranty: 90 day, partout id: a-79945321,
manufacturer: audi, category: auto parts > air fuel delivery > turbos, superchargers intercoolers > turbos parts, sku: 2654822199071753,

Audi 29095479 Is Similar To:

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1 offer $652.70 USD
  • Offer #1: $652.70 price + $10.00 shipping estimate = $662.70* total. Check with the dealer as components may be different must be installed and inspected by a factory trained and certified technician.+$10.00 shipping

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