84469887 Roof Mounted Shark Fin Antenna for Silverado and Sierra - OEM

Our review of the 84469887 roof mounted shark fin antenna finds it best for owners of 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 models who want a direct-fit replacement with OEM-like quality. The antenna replaces factory part numbers 84469887, 84425615, 421251063 and 203063640257 and is constructed from high-quality materials to match original standards. Installation is straightforward thanks to a simple electrical plug assembly that requires no wire splicing, and the unit ships with a 2-year warranty and dedicated after-sales support, which is the single biggest reason to consider this aftermarket option.

Key Features

• Direct Compatibility: Designed specifically for 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 engine variants 2.7L, 4.3L, 5.3L and 6.2L so buyers get an accurate fit without modification.
• OEM-Comparable Quality: Constructed from high-quality material and manufactured to meet OE standards, offering durability similar to the original antenna.
• Plug-and-Play Installation: Uses a simple electrical plug assembly so installation is fast and does not require wire splicing or advanced tools.
• Replaces Multiple Part Numbers: Cross-references 84469887, 84425615, 421251063 and 203063640257 to simplify part matching and reduce ordering errors.
• Two-Year Warranty: Includes a 2-year warranty and professional after-sales service, giving buyers added assurance for peace of mind.

Who It's For

The antenna is aimed at Silverado 1500 and Sierra 1500 owners who need a reliable, direct-fit replacement for a damaged or missing roof-mounted shark fin antenna and who prefer OE-comparable materials without paying dealership pricing. It also suits DIY installers who want a quick swap thanks to the plug assembly and a clear part number match.

Those who should look elsewhere include owners of other model years or different vehicle lines not listed in the compatibility, and buyers who require additional features such as integrated satellite radio or GPS antenna functions not specified with this unit.

Pros & Cons

Pros

• Direct OEM part replacements reduce fitment issues and simplify installation.
• High-quality materials offer durability comparable to original equipment.
• Plug-and-play electrical connector eliminates the need for wire splicing.
• Two-year warranty and professional after-sales support provide buyer confidence.

Cons

• Compatibility is limited to specific 2019-2020 Silverado and Sierra 1500 models, so it is not universal.
• The product description does not list any additional radio features beyond AM/FM, so buyers seeking extra functions should verify fit.

Specifications

Product type	Roof mounted shark fin antenna
Compatible models	Chevrolet Silverado 1500 and GMC Sierra 1500 (2019-2020)
Engine support	2.7L, 4.3L, 5.3L, 6.2L models
Replaces part numbers	84469887, 84425615, 421251063, 203063640257
Features	AM/FM reception, plug electrical assembly, no wire splicing
Warranty	2-Year

Our Verdict

The 84469887 roof mounted shark fin antenna is a solid OEM-compatible replacement for 2019-2020 Silverado 1500 and Sierra 1500 owners who need a direct-fit, durable antenna with easy installation. Backed by a 2-year warranty and professional after-sales support, it offers good value for anyone replacing a factory antenna, though buyers should confirm model year compatibility and required features before purchasing.

Frequently Asked Questions

Will this antenna fit my 2019 Silverado 1500?
Yes, it is designed for 2019-2020 Silverado 1500 models with engine variants 2.7L, 4.3L, 5.3L and 6.2L.

Does installation require cutting or splicing wires?
No, the antenna uses a simple electrical plug assembly so no wire splicing is necessary.

What warranty and support are included?
The product includes a 2-year warranty and professional after-sales service for assistance with fitment or defects.