GRACO Piston Seal (188257 SEAL, PISTON) - (SKU: 188257) The GRACO 109309 is a

The GRACO 109309 is a V-packing designed for use in the throat of certain GRACO pumps

ensuring even distribution and finish

Securely seals oil reservoir

Used in GRACO pressure washers and similar equipment to monitor oil levels in the pump or crankcase

Reset indicator pin and replace rupture disc after each activation

GRACO Piston Seal (188257 SEAL, PISTON) - (SKU: 188257) The GRACO 109309 is aThe GRACO 188257 SEAL, PISTON is a replacement piston seal designed for use in specific GRACO pumps, such as the 235540 model. It is a critical sealing component that ensures proper operation and prevents fluid leakage within the pump assembly. The material is not specified in available documentation, but it is engineered for durability and compatibility with industrial fluids. Key Features: Piston Seal Designed for use in GRACO pump model 235540