The Metal Oil Pump Kit is a must-have accessory for homeowners and professional landscapers looking to improve the lubrication system on their CS-490, CS-500p, or CS-501p chainsaw. This kit replaces the C022000120 and C022000121 lubrication system parts, ensuring optimal performance and longevity of your garden equipment. The kit includes all the necessary components, including high-quality bearings and seals, to provide long-lasting protection from wear and tear. It is also compatible with the 22169-55200 and 22154-55200 parts, providing a seamless fit and easy replacement. With this kit, you can breathe easy knowing that you have the tools to maintain and repair your chainsaw efficiently and effectively.