Dorman 38666 Tailgate Latch - Left
OE Quality 60-Day Returns
Dorman

Dorman 38666 Tailgate Latch - Left

Brand Dorman 38666
Position Left
Attachment Method Bolt
Installation Instructions Included No
Material Steel
Package Contents Latch
Universal Or Specific Fit Specific
Fits Chevrolet, GMC, and Cadillac · 85 vehicles

OE-style replacement. Matches the original latch's fit and function.

Steel construction. Built for durability and reliable performance.

Bolt attachment. Installs with a simple bolt-on design.

Cross-references 15107685 for the same application. See all 1.

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Dorman 38666 Tailgate Latch for GM Trucks

Dorman 38666 is a specific-fit tailgate latch built to match the original fit and function on select Chevrolet and GMC trucks and SUVs. Made from steel and secured with a bolt attachment, it is designed for dependable tailgate operation on the listed applications.

Key Features

  • Steel construction for durable tailgate service
  • Specific fit for direct replacement on listed vehicles
  • Bolt-on attachment method
  • Matches original latch fit and function
  • Designed for left-side applications
  • Cross-references OE part number 15107685

Detailed Description

This tailgate latch is engineered for Chevrolet Silverado and GMC Sierra applications, along with Cadillac Escalade EXT and Chevrolet Avalanche models listed below. It is a direct-fit replacement for the left-side tailgate latch on vehicles equipped with an automatic transmission and washer fluid reservoir cap clearance noted in the fitment data. If you are searching for a tailgate latch for a 1999-2006 Chevrolet Silverado 1500, 2001-2006 GMC Sierra 2500 HD, or a 2007 Silverado 1500 Classic, Dorman 38666 provides the correct OE-style replacement profile.

Use Dorman 38666 when replacing a worn, damaged, or non-latching tailgate mechanism on compatible Chevrolet Silverado and GMC Sierra trucks. The steel construction supports consistent latch engagement, while the specific-fit design helps maintain proper alignment with the original mounting points. Part number 38666 is also a practical reference when comparing tailgate latch replacement options for GM truck body hardware.

Vehicle Fitment

  • Fits 2007 Chevrolet Silverado 1500 Classic, left.
  • Fits 2007 Chevrolet Silverado 1500 HD Classic, left.
  • Fits 2007 Chevrolet Silverado 2500 HD Classic, left.
  • Fits 2007 Chevrolet Silverado 3500 Classic, left.
  • Fits 2007 GMC Sierra 1500 Classic, left.
  • Fits 2007 GMC Sierra 1500 HD Classic, left.
  • Fits 2007 GMC Sierra 2500 HD Classic, left.
  • Fits 2007 GMC Sierra 3500 Classic, left.
  • Fits 2002-2006 Cadillac Escalade EXT, left.
  • Fits 2002-2006 Chevrolet Avalanche 1500, left.
  • Fits 2002-2006 Chevrolet Avalanche 2500, left.
  • Fits 1999-2006 Chevrolet Silverado 1500, left.
  • Fits 2005-2006 Chevrolet Silverado 1500 HD, left.
  • Fits 2001-2003 Chevrolet Silverado 1500 HD, left.
  • Fits 2001-2006 Chevrolet Silverado 2500 HD, left.
  • Fits 2001-2006 Chevrolet Silverado 3500, left.
  • Fits 1999-2006 GMC Sierra 1500, left.
  • Fits 2005-2006 GMC Sierra 1500 HD, left.
  • Fits 2001-2003 GMC Sierra 1500 HD, left.
  • Fits 2001-2006 GMC Sierra 2500 HD, left.
  • Fits 2001-2006 GMC Sierra 3500, left.
  • Fits 1999-2004 Chevrolet Silverado 2500, left.
  • Fits 1999-2004 GMC Sierra 2500, left.

Common Problems This Part Can Address

  • Tailgate that will not latch securely
  • Broken or worn latch mechanism
  • Loose tailgate closure on GM truck beds
  • Difficulty keeping the tailgate aligned with the striker
  • Replacement need after corrosion or mechanical wear

Installation Notes and Tips

Install Dorman 38666 on the left side using the bolt attachment points specified for the vehicle. Verify the tailgate hardware, striker alignment, and surrounding components before installation, especially on automatic transmission vehicles where washer fluid reservoir cap clearance is noted. No installation instructions are included, so compare the original latch and mounting layout before removal.

Quality Assurance

Dorman designs this tailgate latch to match original equipment fit and function for the listed GM applications. The steel construction and vehicle-specific design support reliable tailgate operation on Chevrolet Silverado, GMC Sierra, Avalanche, and Escalade EXT models covered by the fitment data.

Related reading

This part fits 85 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2007ChevroletSilverado 1500 ClassicLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2007ChevroletSilverado 1500 HD ClassicLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2007ChevroletSilverado 2500 HD ClassicLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2007ChevroletSilverado 3500 ClassicLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2007GMCSierra 1500 ClassicLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2007GMCSierra 1500 HD ClassicLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2007GMCSierra 2500 HD ClassicLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2007GMCSierra 3500 ClassicLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2006CadillacEscalade EXTLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2006ChevroletAvalanche 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2006ChevroletAvalanche 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2006ChevroletSilverado 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2006ChevroletSilverado 1500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2006ChevroletSilverado 2500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2006ChevroletSilverado 3500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2006GMCSierra 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2006GMCSierra 1500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2006GMCSierra 2500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2006GMCSierra 3500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2005CadillacEscalade EXTLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2005ChevroletAvalanche 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2005ChevroletAvalanche 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2005ChevroletSilverado 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2005ChevroletSilverado 1500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2005ChevroletSilverado 2500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2005ChevroletSilverado 3500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2005GMCSierra 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2005GMCSierra 1500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2005GMCSierra 2500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2005GMCSierra 3500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2004CadillacEscalade EXTLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2004ChevroletAvalanche 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2004ChevroletAvalanche 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2004ChevroletSilverado 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2004ChevroletSilverado 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2004ChevroletSilverado 2500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2004ChevroletSilverado 3500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2004GMCSierra 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2004GMCSierra 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2004GMCSierra 2500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2004GMCSierra 3500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2003CadillacEscalade EXTLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2003ChevroletAvalanche 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2003ChevroletAvalanche 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2003ChevroletSilverado 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2003ChevroletSilverado 1500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2003ChevroletSilverado 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2003ChevroletSilverado 2500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2003ChevroletSilverado 3500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2003GMCSierra 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2003GMCSierra 1500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2003GMCSierra 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2003GMCSierra 2500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2003GMCSierra 3500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2002CadillacEscalade EXTLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2002ChevroletAvalanche 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2002ChevroletAvalanche 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2002ChevroletSilverado 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2002ChevroletSilverado 1500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2002ChevroletSilverado 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2002ChevroletSilverado 2500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2002ChevroletSilverado 3500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2002GMCSierra 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2002GMCSierra 1500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2002GMCSierra 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2002GMCSierra 2500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2002GMCSierra 3500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2001ChevroletSilverado 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2001ChevroletSilverado 1500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2001ChevroletSilverado 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2001ChevroletSilverado 2500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2001ChevroletSilverado 3500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2001GMCSierra 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2001GMCSierra 1500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2001GMCSierra 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2001GMCSierra 2500 HDLeftFits washer fluid reservoir cap on automatic transmission vehicles.
2001GMCSierra 3500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2000ChevroletSilverado 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2000ChevroletSilverado 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2000GMCSierra 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
2000GMCSierra 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
1999ChevroletSilverado 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
1999ChevroletSilverado 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
1999GMCSierra 1500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
1999GMCSierra 2500LeftFits washer fluid reservoir cap on automatic transmission vehicles.
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
15107685