1. Car & Truck Antennas On Sale
  2. sku: 11221534489316632
  3. AUDI S4-AUDI

AUDI 645.AU1N18 Antenna 4357833

fits make: Audi. year: 2018.

645.au1n18 Audi 2018 S4 Antenna Sku#4357833

( Model: S4-AUDI ), ( Part Type: Antenna ), ( Conditions Options: Genuine Oem Part ), ( Genuine Oem: Yes ), ( Ipn: 645.au1n18 ), ( Descriptionpartcondition: Black-y9t, Genuine Oem Part ), ( Manufacturer Warranty: 6 Month )

Review AUDI Antenna Sku#4357833 fits S4 2018

The Audi 645.au1n18 2018 S4 Antenna is a sophisticated and essential component of the state-of-the-art infotainment and communication system in your Audi S4 vehicle. This antenna is specifically designed for the 2018 Audi S4 model, ensuring a perfect fit and optimal performance.

The 645.au1n18 antenna is a compact, mono-band antenna, engineered to deliver robust and reliable signals for your vehicle's infotainment and connectivity features. It is primarily used to receive and transmit FM, AM, and DAB radio signals, as well as GPS and satellite navigation data. The high-performance design ensures that you enjoy a clear and uninterrupted connection to your favorite radio stations, navigation systems, and other essential features.

The antenna is made of high-quality materials, with a durable and weather-resistant construction that is capable of withstanding various environmental conditions. The antenna's sleek and modern design complements the aesthetic of your Audi S4, while its compact size ensures minimal impact on the vehicle's exterior appearance.

The 645.au1n18 antenna is easy to install, with clear instructions provided in the packaging. It connects to your Audi S4's on-board wiring harness, requiring no additional tools or modifications to your vehicle. Once installed, the antenna integrates seamlessly with your vehicle's infotainment system, allowing you to enjoy your favorite features with maximum convenience and functionality.

In summary, the Audi 645.au1n18 2018 S4 Antenna is an essential and high-performance component that is specifically designed for the 2018 Audi S4 model. It delivers clear and reliable signals for your vehicle's infotainment and connectivity features, with a durable and weather-resistant construction that ensures optimal performance in various environmental conditions. The easy installation process and sleek design make this antenna a must-have accessory for any Audi S4 owner.

The Audi S4 2018 is a high-performance luxury vehicle, and adding an external antenna, such as the Audi 645.au1n18 model, can improve the functionality of its infotainment and navigation systems. Here are some potential pros and cons of buying this antenna:

Pros:

1. Improved Signal Reception: An external antenna can provide a stronger and more stable signal for the infotainment and navigation systems, reducing the likelihood of dropped connections or poor reception.

2. Enhanced Performance: With clearer and more consistent signals, the systems can function more efficiently, leading to faster processing times and smoother operation.

3. Better Coverage: An external antenna can provide better coverage in areas with weak or inconsistent signals, such as urban canyons or rural areas.

Cons:

1. Cost: The Audi 645.au1n18 antenna can be an expensive addition to the vehicle, and some consumers may not be willing to pay the extra cost for potential performance improvements.

2. Installation Complexity: Installing an external antenna can be a complex process that may require professional assistance, adding to the overall cost and inconvenience.

3. Aesthetics: Some consumers may not like the look of an external antenna on their vehicle, which could impact their perception of its overall appearance.

In conclusion, the decision to buy the Audi 645.au1n18 antenna for a 2018 Audi S4 depends on individual needs and priorities. For those who frequently use the infotainment and navigation systems in areas with weak signals or who value improved performance, the benefits may outweigh the costs. However, for those who do not experience significant signal issues or are not willing to pay the extra cost, the antenna may not be a worthwhile investment.

Based on the information provided, my recommendation would be for consumers to carefully consider their specific usage patterns and priorities before deciding to purchase the Audi 645.au1n18 antenna. If they frequently encounter weak signals or have experienced significant performance issues with their infotainment and navigation systems, the antenna could be a valuable investment. However, for those with reliable signals and no significant performance concerns, the extra cost and potential complexities of installation may not be worth it.

Details:

Axle/CV shaft: Does not include the axle nut. Wiper Motor: Does not include arms or transmission unless noted. A/C Compressor: Includes the clutch/pulley assembly. This is still a fairly nice looking, used wheel.

Here are our part notes about this specific. Rack and Pinion: Includes tie rods but they are not covered under warranty. I only see photos of the vehicle and not actual part you are selling. Differential Carrier: Does not include axles.

Transfer Case: Does not include electric shift motor. Does not include bolts/hardware. These wheels are still guaranteed to be straight and true, just not the best looking. Please see the fitment section below to make sure this will fit your vehicle.

B parts have average miles and condition for its age. Washer Reservoir/Bottle: Includes cap unless noted. Radio: Pay special attention to our fitment. Control Arm: Includes the ball joint and any bushings.

Hub: Includes wheel studs. These parts are not covered under warranty: Intake manifold, fuel injectors, oil pan, sensors, water pump. Alternator: Includes the pulley. Sun visor: Does not include clip.

Strut: Struts are left assembled and include top plate, spring, dust boot dust boots on used struts rarely in perfect shape. If you don't know what a paint code is or where yours located, please feel free to ask. Fuel injectors: See our part notes. Does not include window/lock switches.

Manual transmissions do not include any part of the clutch system. This is on a case by basis. Parts installed in vehicles used for commercial, racing, or off-road purposes, parts any purpose other than the original application. Door Trim Panel: Includes handle and armrest.

All lubricants and fluids used must be of the type recommended by manufacturer receipts for installation items accompany claim warranty. Our Part #: 645.AU1N18, 4357833. Coolant Overflow Bottle: Cap is included. Caliper: Includes the bracket and slides.

It is in average condition for the year and mileage of donor vehicle. Mass Airflow Sensor: Does not include housing unless pictured. Fuel Pump: Includes sending unit and any molded hoses that are non-removable. 6 MONTH WARRANTY.

The fitment information can be confusing if you don't buy replacement parts everyday. Wheel/Rim: Does not include cap, tire, or lug nuts. All claims for warranty must be made within this time. Remote reservoirs and brackets will not be included.

In the event of a claim, AAA will offer replacement part similar quality. If noted as assembly, it will include the lug wrench. Jack: See part notes. Whats Included.

Power Steering Pump: Includes pulley and ATTACHED reservoir. Slides are not covered under warranty. Temperature Control: Includes all knobs, buttons, and sliders. It will have high miles or minor damage.

Does not include bulbs. Is this the right part?, This is most common question that we get. Fuel Filler Door: Includes hinge. Column Switch: Includes wiring if applicable up to the first point it can be unplugged.

Many newer transmissions require a relearn/programming procedure. BLACK-Y9T,GENUINE OEM PART. Cowl Vent Panel: See Our Part notes, often sold as one side only. Transmission: Automatic transmissions include torque converters and sensors.

This for a USED OEM Antenna Assembly pulled from 2018 S4 AUDI with 119000 actual miles on it. Spindle/Knuckle: Does not include hub unless noted. Starter: Includes solenoid. Wiper Transmission: Does not include motor or arms unless noted.

B Condition, B-COND This wheel will have some cosmetic imperfections. A/C Condenser: Sensors and hoses are not included. Pay special attention to any options listed. Power Steering Gear: Includes Pittman arm.

Claims that result from overheating due to cooling system failure. Window Regulator: Does not include motor unless noted most are with. HID headlights include the bulbs and ballast. Stabilizer Bar: Does not include links or bushings.

Exhaust Manifold: Does not include turbo where applicable. Blower Motor: Include the squirrel cage/fan blade. Ignition Coil s: See part notes. Claims that result from the failure of other components.

Most of the time we include paint code in our part notes. It may have minor scratches and clear coat peeling. New fluids, filters, seal, and gaskets must be used in the installation of driveling component. Any brackets are not included.

C Condition, C-COND This wheel will have very noticeable cosmetic issues. Interior Rear View Mirror: Does not included bracket glued to windshield. Not included: Throttle body, Turbo, wiring harness exhaust manifold may be left on in certain cases. Fan Assembly: Includes motors, shroud, and blades.

part #: 645.au1n18 price

  • $85.00

specifications bashantennas:

  • for makes: Audi
  • for years: 2018
  • model: S4-audi
  • part type: Antenna
  • conditions options: Genuine Oem Part
  • genuine oem: Yes
  • ipn: 645.au1n18
  • descriptionpartcondition: Black-y9t, Genuine Oem Part
  • manufacturer warranty: 6 Month

offer bashantennas:

  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: February 2, 2026
  • quantity: 1

general bashantennas:

  • Car Truck Parts Accessories > Exterior Parts Accessories > Antennas
  • condition: Used

seller bashantennas:

  • # reviews: 65808
  • city: Rosemount, Minnesota
  • rating: 99.7%

shipping bashantennas:

  • transit: 2-5 Days
  • carrier: UPS
  • class: Standard
  • service: UPS Ground
  • cost: $0.00
  • type: Fixed

payments bashantennas:

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

returns bashantennas:

  • time: 60 Days
  • paid by: Seller
  • policy: Returns Accepted
for makes: audi, for years: 2018, part type: antenna, conditions options: genuine oem part, genuine oem: yes, descriptionpartcondition: black-y9t, genuine oem part, manufacturer warranty: 6 month,
manufacturer: audi, category: auto parts > car truck parts accessories > exterior parts accessories > antennas, sku: 11221534489316632,

Audi 4357833 Is Similar To:

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1 offer $85.00 USD
  • Offer #1: $85.00 price + $0.00 shipping estimate = $85.00* total. This for a USED OEM Antenna Assembly pulled from a2018 S4 AUDI with119000 actual miles on it Our Part #: 645.FREE SHIPPING

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