Front Upper Auxiliary Weatherstrip Kit

Weatherstrip Sealing Solution. The Front Upper Auxiliary Weatherstrip Kit provides an essential sealing component for the GMC Sierra 3500, helping to prevent water, dust, and wind from entering the vehicle cabin. It is installed along the upper edges of the door frames on the driver and passenger front sides to enhance insulation and reduce noise while driving. Proper weatherstripping maintains the vehicle's interior comfort and protects against environmental damage.

Construction and Appearance. This weatherstrip kit is made from durable, high-quality rubber materials designed to withstand various weather conditions without cracking or losing flexibility. The finish is smooth and black to blend seamlessly with the vehicle’s existing trim, providing both functional protection and aesthetic consistency.

Installation. Installation is straightforward with no drilling required, using existing mounting points for a secure fit. It is designed for professional or experienced DIY installation, ensuring a reliable weatherproof seal.

Warranty. This kit comes with a limited warranty covering defects in material and workmanship.

Application. Specifically designed to fit the 07-14 Silverado 3500 HD Crew Cab, ensuring precise compatibility and performance for this model and body style.

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