GM 85639416 Shark Fin Antenna Onstar Radio

( Brand: Gm ), ( Manufacturer Part Number: 85639416 ), ( Type: Shark Fin Antenna ), ( Antenna Technology: Am/fm ), ( Color: Midnight Blue ), ( Attachment Type: Bolt-on ), ( Features: Easy Installation ), ( Material: Carbon Fiber ), ( Finish: Painted ), ( Placement On Vehicle: Roof ), ( Country Of Origin: China )

Review GM Shark Fin Antenna Onstar Radio Midnight Blue fits SATELLITE ESCALADE TAHOE YUKON 2021

Introducing the GM 85639416 Shark Fin Antenna, designed specifically for select 2021 models of the Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon. This antenna is an essential upgrade for OnStar satellite radio systems, enhancing your in-vehicle entertainment experience.

Crafted with a sleek, modern design, this shark fin antenna boasts a distinctive appearance that complements the exterior of your vehicle. Its aerodynamic shape reduces wind resistance and drag, ensuring optimal performance and improved fuel efficiency. Constructed from high-quality materials, this antenna is built to withstand the rigors of everyday use and harsh weather conditions.

The GM 85639416 Shark Fin Antenna boasts advanced reception capabilities, delivering clear and reliable satellite radio signals. Its state-of-the-art technology enables it to quickly and efficiently lock onto available satellite transmissions, ensuring uninterrupted service. Additionally, the antenna's omnidirectional design allows it to capture signals from multiple directions, providing better coverage and improved signal strength.

Installation of the GM 85639416 Shark Fin Antenna is a straightforward process. It is designed to fit seamlessly onto the roof of your vehicle, with no drilling or permanent modifications required. The antenna comes with all necessary mounting hardware, making installation quick and easy.

Equipping your vehicle with the GM 85639416 Shark Fin Antenna not only enhances your in-car entertainment experience but also adds a touch of modern elegance to your ride. With its advanced reception capabilities, sleek design, and easy installation process, this antenna is an excellent investment for any OnStar satellite radio user. Upgrade your vehicle today and enjoy the superior performance and style of the GM 85639416 Shark Fin Antenna.

The GM 85639416 Shark Fin Antenna is a satellite radio antenna designed for select 2021 model year GM vehicles, including the Escalade, Tahoe, and Yukon. Here are some pros and cons that may help you make an informed decision about purchasing this antenna:

1. Improved Reception: Compared to the standard antenna, the shark fin antenna is designed to provide better satellite reception, especially in areas where the signal may be weak or obstructed.

2. Sleek Design: The shark fin antenna is a visually appealing upgrade to the standard antenna, which can make your vehicle look more modern and stylish.

3. Easy Installation: The antenna can be easily installed by the user, and no professional installation is required.

4. Compatibility: The antenna is specifically designed for select 2021 GM vehicles, ensuring a proper fit and functionality.

1. Cost: The shark fin antenna is more expensive than the standard antenna, which may be a deterrent for some buyers.

2. Size: The antenna is larger than the standard antenna, which may affect the vehicle's aerodynamics and fuel efficiency to a minimal extent.

3. Visibility: The shark fin antenna is more visible than the standard antenna, which may not be preferred by some buyers who value a low-profile design.

The decision to purchase the GM 85639416 Shark Fin Antenna depends on your personal preferences and needs. If you value improved satellite reception, a modern and stylish design, and easy installation, then this antenna may be worth the investment. However, if you are concerned about the cost, size, or visibility of the antenna, then the standard antenna may be a more suitable option for you.

If you frequently use satellite radio and want the best possible reception, or if you simply prefer the sleek design of the shark fin antenna, then we would recommend purchasing the GM 85639416 Shark Fin Antenna. However, if you are on a tight budget or prefer a low-profile design, then the standard antenna may be a more cost-effective and practical choice for you.

Details:

Shark Fin Antenna, OnStar, Satellite Radio, Midnight Blue, condition: New, Year fitment: model's. Part Number: 85639416. 2021 2025 Cadillac Escalade ESV. 2022 2025 Chevrolet Suburban.

part #: 85639416 price

• $74.00

specifications bashantennas:

• for models: Satellite, Escalade, Tahoe, Yukon
• for years: 2021
• brand: Gm
• mpn: 85639416
• type: Shark Fin Antenna
• antenna technology: Am/fm
• color: Midnight Blue
• attachment type: Bolt-on
• features: Easy Installation
• material: Carbon Fiber
• finish: Painted
• placement on vehicle: Roof
• country of origin: China

general bashantennas:

• Car Truck Parts Accessories > Exterior Parts Accessories > Antennas
• condition: New other see details

payments bashantennas:

• credit card: Discover
• other
• wallet: Apple-pay

offer bashantennas:

• quantity: 3
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: December 26, 2025

returns bashantennas:

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

seller bashantennas:

• # reviews: 36038
• city: Dallas, Texas
• rating: 99.3%

shipping bashantennas:

• service: USPS Ground Advantage, UPS Next Day Air, UPS 2nd Day Air, USPS Priority Mail
• transit: 4-11 Days
• cost: $0.00
• type: Calculated
• class: Standard, One-day, Expedited
• carrier: USPS, UPS

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