Keep your tailgate seating squarely and quietly with the Dorman - HELP Tailgate Stop Bumper 45679, a rubber stop that cushions the tailgate as it closes against the truck body. It drops in for the 1999-2006 Chevrolet Silverado 1500 and 1999-2006 GMC Sierra 1500, and also covers a wide range of Silverado and Sierra 2500, 2500 HD, 3500 and HD models plus the 2007 Classic variants — see the Buyer's Guide tab for the full application list and the correct years for each model.
- Direct fit: built to match the original bumper's fit, appearance, and function on the listed applications, so it installs in place of the factory piece.
- Rubber construction: molded from rubber for dependable performance and long service life.
- Restores function: a straightforward replacement when the original bumper is missing or has failed from internal clip breakage.
- Trustworthy quality: backed by a team of product experts in the United States and more than a century of automotive experience.
Interchange: 16633065
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this tailgate stop bumper do?
It's a rubber stop that cushions the tailgate as it closes against the truck body, helping it seat squarely and quietly.
Will this fit my truck?
It fits many 1999-2006 Chevrolet Silverado and GMC Sierra models, including 1500, 2500, 3500 and HD variants, plus 2007 Classic models. Check the Buyer's Guide tab for your exact year and model.
What is this bumper made of?
It is molded from rubber for dependable performance and long service life.
When should I replace this bumper?
Replace it when the original is missing or has failed due to internal clip breakage. If a worn bumper is the cause of a loose or rattling tailgate, this replaces it.
What part number does this interchange with?
It cross-references interchange number 16633065. Confirm the fit for your specific vehicle using the Buyer's Guide.
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