SKP SK647421 Tailgate Hinge - Left Inner

Tailgate Hinge for S10 and Sonoma

SKP SK647421 is a steel tailgate hinge for the left inner position on select Chevrolet S10 and GMC Sonoma trucks. It is built around OE-style dimensions and mounting geometry to support proper tailgate alignment and hinge operation.

Key Features

• Steel construction for strength and durability
• Left inner tailgate hinge application
• Mounting hole quantity: 1
• Mounting hole diameter: 13 mm
• Inner diameter: 35.9 mm
• Outer diameter: 41.9 mm
• Length: 88.1 mm
• Width: 46.8 mm
• Cross-reference part number: 15647421

Detailed Description

SKP SK647421 is a replacement tailgate hinge for 1994-2004 Chevrolet S10 and 1994-2004 GMC Sonoma models in the left inner position. The steel construction and listed dimensions help match the original hinge layout for tailgate support, pivot movement, and secure closure. This part number, SK647421, is intended for trucks that need a direct-fit hinge replacement with OE-style sizing.

This part cross-references 15647421 for the same application.

What It Is Used For

• Restoring tailgate hinge movement when the original hinge is worn
• Correcting tailgate sag or misalignment on Chevrolet S10 and GMC Sonoma trucks
• Replacing a damaged left inner hinge on the tailgate assembly
• Addressing binding, looseness, or uneven tailgate operation

Installation Notes and Tips

Fits 1994-2004 Chevrolet S10, left inner. Fits 1994-2004 GMC Sonoma, left inner. Verify the mounting hole diameter, inner diameter, and outer diameter against the original hinge before installation. Confirm left inner position and compare the existing hinge shape and attachment points to ensure proper alignment.

Quality Assurance

SKP replacement parts are built to match the listed application and dimensional requirements for service use on Chevrolet S10 and GMC Sonoma tailgate systems. Part number SK647421 is specified for the left inner hinge position and follows the provided OE cross-reference application.