ONAGAD Tailgate Hinge Kit for 1999–2007 Chevy Silverado & GMC Sierra — Steel, Corrosion-Resistant Solid Pivot Hinges

ONAGAD tailgate hinge kit is a direct-fit replacement for worn or broken tailgate hinges on 1999–2007 Chevy Silverado and GMC Sierra trucks, restoring smooth opening, secure closing, and elimination of rattle. If your truck’s tailgate droops, rattles, or won’t stay closed, a failed hinge is often the culprit. This kit provides a vehicle-specific replacement that matches the original mounting points and restoring factory alignment so the tailgate operates like new. The parts are made from high-strength steel with a corrosion-resistant finish and solid pivot pins for long-term durability under road and weather exposure.

Will these hinges fit my Silverado or Sierra?

Yes — the kit is tailored for a wide range of GM full-size trucks and selected Hummer models. It replaces the factory hinge inserts and matches OEM part numbers, but you should verify fitment against your model year and cab/bed configuration before ordering.

• Fits Chevrolet Silverado/GMC Sierra 1500 (1999–2006), 1500 Classic (2007)
• Fits 1500 HD, 2500, 2500 HD, 3500 ranges for specified years (see full list)
• Compatible with Hummer H1 (2006), H2 (2005–2006), H3 (2006)
• Not compatible with Avalanche or C/K series 1500/2500/3500

How difficult is installation and what tools do I need?

Installation is straightforward for anyone comfortable with basic vehicle repair and able to support the tailgate. You remove the tailgate, unbolt the old inserts, and swap in the new hinges using the original fasteners or supplied bolts. Each hinge is clearly marked left or right to avoid mistakes.

• Typical install time: 10–15 minutes per hinge when tailgate is off
• Requires common hand tools and a helper or support stand for the tailgate
• You may reuse factory shims if needed to achieve proper alignment
• Includes clear left/right identification for correct fitment

What materials and design features improve longevity?

The ONAGAD hinges are built from high-strength steel with a dual protective finish to resist corrosion and wear. Unlike hollow OEM pivots, these replacement pivots are solid metal, reducing flex and play for a firmer feel and less noise over time.

• High-strength steel construction for increased durability
• Galvanized plus black electrophoretic coating for rust protection
• Solid pivot pins reduce rattling compared with original parts
• Engineered to meet OEM mounting and movement specifications

What OEM part numbers and expectations should I check?

This kit corresponds with common replacement numbers used by GM and aftermarket suppliers, helping you confirm compatibility. Always cross-reference the OEM numbers and the fitment graphic to ensure correct selection for your truck's year and model.

• Common replacement OEM part numbers: 15074252, 15074253, 15078745, 15078746
• Check the included fitment guide image for visual confirmation
• Confirm vehicle year, model, and bed/cab configuration before purchase
• Not a fit for Avalanche or C/K series trucks

Who is this for This hinge kit is ideal for truck owners and DIY mechanics who want a robust, OEM-compatible repair for a loose, bent, or rusty tailgate hinge. It suits anyone restoring proper tailgate function on compatible GM trucks or Hummer models who values a long-lasting, corrosion-resistant replacement that installs with common tools.

FAQ

Q: Do these hinges require welding or body modification?

A: No welding or body modification is required; they bolt in using original mounting holes.

Q: Will I need assistance to install the hinges?

A: A helper or support stand is recommended to safely handle the tailgate during replacement.