The GRACO 237112 is a genuine OEM lower pump repair kit engineered for the Graco Fire-Ball 300, 50:1 series grease pumps. This comprehensive kit provides all the essential seals, O-rings, and packings needed to perform a complete overhaul of the pump’s lower section, restoring it to original factory performance and efficiency. Using authentic Graco components guarantees a perfect fit, optimal operation, and maximum service life for your equipment. This kit is an economical solution for maintenance and repair, helping to prevent downtime and extend the reliability of your lubrication system.