Compatibility with multiple models This rear handle oil tank is designed to fit chainsaw models MS311, MS362, and MS391, providing a proper fit for your equipment. Robust construction Made from durable plastic materials, this oil tank assembly is engineered to withstand the demanding conditions of chainsaw operation and to deliver reliable performance. Streamlined installation process It features a preinstalled oil filter and tube, making installation quick and straightforward so you can get back to work with minimal downtime. Enhanced chainsaw performance Replacing worn components with this kit helps maintain efficiency and smooth, effective operation of your chainsaw. Use scenario: routine maintenance Ideal for replacing worn rear handle oil tanks during routine maintenance on MS311, MS362, or MS391 to ensure consistent oil delivery and prevent leaks. Use scenario: field service Professionals can use this kit for infield repairs on MS362 or MS391, reducing downtime and restoring performance without extended service. Use scenario: seasonal rebuilds During seasonal overhauls, this oil tank helps restore efficiency and reliability by renewing key components in the rear handle area.