1. Compatible Design: Specifically developed for the 137 crankcase 530071991, ensuring seamless compatibility with HUS137 and HUS142 models. This replacement part delivers reliable performance and a fit for your gardening equipment, helping maintain functionality. 2. Durable Construction: Made from robust plastic materials that withstand regular use and outdoor conditions. This crankcase replacement is built to last, offering resistance to everyday wear for a longer lifespan of your machine. 3. Performance Enhancement: Upgrade your equipment with this replacement crankcase to improve overall engine efficiency. Experience better performance and smoother operation, making your gardening tasks more efficient and less timeconsuming. 4. Easy Installation: Features a userfriendly design for quick and hassle replacement. The straightforward configuration allows you to install this crankcase easily by yourself without professional tools or assistance.