Dee Zee tailgate protectors help reduce wear in areas that see regular loading and unloading. The products below cover different parts of the tailgate: a narrow cap strip, a larger diamond-plate panel or a dedicated polymer work surface. Compare the coverage and material first, then confirm the exact vehicle application and mounting method.
Three ways to protect a truck tailgate
A narrow aluminum piece that covers the upper tailgate edge. It does not cover the full tailgate panel.
A larger aluminum diamond-plate cover; check how it fits around the handle, seams and factory trim.
A polymer tailgate work surface with bolt-on mounting, rather than an adhesive metal cap.
Dee Zee tailgate protector comparison
The table distinguishes construction and coverage; the vehicle year, tailgate profile and exact factory options still need to be checked for fit.
| MPN | Coverage | Material | Finish | Mounting reference |
|---|---|---|---|---|
| DZ2121B | Tailgate-cap | Aluminum | Black powder-coated | Adhesive tape; check fitting instructions |
| DZ2145 | Tailgate-cap | Aluminum | Silver diamond plate | Adhesive tape; check fitting instructions |
| DZ2145B | Tailgate-cap | Aluminum | Black powder-coated | Adhesive tape; check fitting instructions |
| DZ4145 | Full-tailgate panel | Aluminum | Silver diamond plate | Confirm fasteners and truck-specific instructions |
| DZ284123 | Tailgate work surface | Polymer | Black | Bolt-on |
| DZ3127TB | Tailgate-cap | Aluminum | Black textured tread | Confirm vehicle-specific mounting instructions |
Fitting a tailgate cap or work board
Check the manufacturer's installation sheet for the exact MPN and truck. Clean and prepare the surface as specified for tape-mounted protectors, and allow the adhesive to cure as directed. The bolt-on work board has a different installation method. Do not drill or remove factory trim unless the product-specific instructions require it.
Dee Zee DZ2145 is a cap-only silver diamond-plate product; DZ4145 covers a larger tailgate area. Do not assume they share the same vehicle fitment, dimensions or mounting hardware because their finishes are similar.
Dee Zee tailgate covers and work surfaces
Choose a product below to review the listing and availability.

Dee Zee DZ2121B
Black aluminum cap protector with adhesive mounting. It does not replace a factory cap or cover a factory spoiler.
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Dee Zee DZ2145
Silver diamond-plate cover for the cap area, distinct from full-panel DZ4145.
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Dee Zee DZ2145B
Black-finished cap cover in the DZ2145 family, not a full-tailgate protector.
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Dee Zee DZ4145
Full-tailgate diamond-plate panel; check the correct year, tailgate geometry and installation hardware.
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Dee Zee DZ284123
Black polymer work board rather than a metal edge protector; designed as an added tailgate work surface.
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Dee Zee DZ3127TB
Textured black aluminum cap protector; verify bed and tailgate fitment before selecting.
View product details and availabilityRelated truck tailgate references
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