Features: Ensure your engine start with our high performances starter pulley, designed to operational efficiency and reliability. Crafted from plastic, offer easy installation, making it ideal replacement part for your machinery. Perfect for professional mechanic and operators responsible for the maintenance for 3800 4100 equipment, ensuring smooth and efficient operations. Widely applicable in construction sites, agricultural machinery, and any setting equipment is essential, providing versatility and adaptability. Enhances your equipment's performances with this starter pulley, engineered to withstand demanding environments while maintaining optimal functionality. Specifications: Component:Plastic Size:Approx.12x8cm/4.72x3.14inch Package Includes: 1Pc Chainsaw Starter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.