GRACO Lube Master® Seal Kit - (SKU: 563921)The GRACO 563921 Lube Master Seal Kit is a replacement kit containing seals and small hardware designed for use with Lube Master Electric Pumps. Its primary function is to maintain the integrity and performance of the pump by providing essential sealing components. The material is not specified, but typical seal kits for industrial equipment are made from durable elastomers and metals for longevity and reliability. Key Features: Seal Kit For use with

and uses a Buna-N (BN) diaphragm

Part (Post

widely documented product in GRACO’s official literature or technical documentation

Compatible with GRACO grease carts and lubrication systems

Connect all hoses and accessories securely according to the manual

Standard length for flexible placement

but it is designed for reliable operation within industrial fluid handling systems

For installation and troubleshooting

Facilitates alternation and mixing of materials

and other general industry finishing applications

specifically those requiring a 25CC checkball assembly

Replace at recommended intervals or when signs of failure are observed