- Compatibility: Designed specifically for Chinese chainsaws models 4500 and 5200 from Timbertech Silverline. - Secure Oil Seal: This replacement oil cap for lawn mowers ensures a tight seal on the engine oil, preventing leaks and contamination. It promotes clean operation and effective lubrication during regular garden maintenance. - Easy to Use: Featuring a user-friendly design, this oil fill cap can be effortlessly removed and attached by hand. It provides a quick fix for cracked, missing, or worn caps without the need for additional tools. - Durable and Dependable: The oil cap securely locks into place, preventing accidental dislodging due to vibrations. It maintains optimal oil pressure and protects the engine from dirt and moisture during operation and storage. Use Scenarios: 1. Routine lawn care: Keep your lawn mower running smoothly with a reliable oil cap that prevents leaks during use. 2. Seasonal storage: Protect your engine from contaminants when storing your equipment for the winter months. 3. Quick repairs: Swap out a damaged oil cap in minutes to ensure your equipment is always ready for action.