<p>Includes: - Combination Light Socket</p> <p>Fits Models: - GMC C3500</p> <p>Model Years: - 1979–1986</p> <p>Submodels: - Common trims include Sierra Classic, SL, and SLE; body style is typically a pickup truck (chassis code C/K).</p> <p>Engine Options: - Compatible with standard engine options, including 5.0L V8, 5.7L V8, and 6.2L Diesel.</p> <p>Description: This Combination Light Socket is designed specifically for the GMC C3500 models from 1979 to 1986. It ensures a reliable connection for your vehicle's lighting system, enhancing visibility and safety on the road.</p> <p>Features: - Direct replacement for factory part - Durable construction for long-lasting performance - Easy installation with no modifications required - Ensures proper electrical connection for lights</p> <p>Part Numbers: - 89447FQYW</p>