Lumbar seat adjuster knob 89042211 for Trailblazer Envoy Bravada 1、VEHICLE FITMENT: Designed for Envoy 2002‑2009, for Bravada 2002‑2004, for Trailblazer 2002‑2009, etc. Enhance the comfort of your seat with this knob. 2、OE NUMBER: This seat adjuster knob is a direct replacement for the OE 89042211 part number. It ensures a perfect fit and easy installation, making it a reliable choice for your vehicle. 3、EASY TO USE: The knob is designed for easy operation, allowing you to adjust the seat position with ease. It provides a comfortable and convenient experience for the driver and passengers. 4、DURABLE MATERIAL: Made from durable ABS materials, this knob is built to last. It is resistant to wear and tear, ensuring long term performance and functionality. 5、STYLISH DESIGN: With its modern and stylish design, the seat adjuster knob is not just functional but also adds a touch of elegance to your car interior.