<p>Includes: - Secondary Air Injection Relay Connector</p> <p>Fits Models: - Chevrolet K1500</p> <p>Model Years: - 1990–1999</p> <p>Submodels: - Common trims include WT (Work Truck), LS, LT, and Z71. Chassis codes include C/K series.</p> <p>Engine Options: - Common engine sizes include 4.3L V6, 5.0L V8, 5.7L V8, and 7.4L V8. Engine codes may include L35, L31, and L29.</p> <p>Description: This Secondary Air Injection Relay Connector is designed specifically for the Chevrolet K1500 from 1990 to 1999. It ensures proper electrical connection for the secondary air injection system, which helps reduce emissions and improve engine performance.</p> <p>Features: - Direct replacement for OEM part - Ensures reliable electrical connection - Durable construction for long-lasting use - Easy installation with no modifications required</p> <p>Part Numbers: - 91619PHJD</p>