Enhance your vehicle's braking system with this high-quality Power Brake Booster from WO Master Cylinder. It is specifically designed for 2004-07 Chevrolet Express and GMC Savana models, ensuring reliable and efficient performance. The booster comes with all the necessary items, including a pedal push rod and mounting hardware, for easy installation. This brake booster is a perfect fit for your vehicle and is compatible with OE/OEM part numbers 15814983 and 15112792. It is manufactured in China with top-quality materials and is designed to meet California Prop 65 Warning standards for cancer and reproductive health. Upgrade your vehicle's braking system with this reliable and durable Power Brake Booster from WO Master Cylinder.