Fitment: The front lower valance is compatible with 2016-2019 GMC Sierra 1500. Replacement for 23381985 GM1092251 High-quality Material: Made of high-quality black pp plastic, with high strength and durability. Anti-impact and anti-fading, ensuring the reliability and appearance in long-term use Enhance Performance: By reducing air resistance, optimize the air flow of vehicles and improve overall performance and fuel efficiency Enhance Appearance: The black spoiler adds a sense of modernity and sportiness, providing a more dynamic appearance, and also plays a protective role to avoid damage to the bottom of the car Simple Installation: Package comes with 1 X front lower valance, Mounting hardware and instructions are not included. Direct replacement, no additional cutting or drilling required