GRACO SEAL, PISTON, 4:1 - (SKU: 188177) Priming is a replacement piston

Priming is a replacement piston designed for use in GRACO displacement pumps

Engineered for reliability in fluid handling systems

Enhanced chemical resistance with PTFE and fluoroelastomer components

Used in GRACO spray systems for fluid transfer and secure component connection

Standardizes service parts across fleets

GRACO SEAL, PISTON, 4:1 - (SKU: 188177) Priming is a replacement pistonThe GRACO 188177 SEAL, PISTON, 4: 1 is a nylon piston seal designed for use in GRACO air powered pumps, such as the Glutton series. Its primary function is to provide a reliable seal between the piston and pump housing, ensuring efficient and leak free operation in fluid transfer applications. Key Features: Piston Seal 4: 1 (ratio not further specified in available documentation; may refer to pump ratio or seal size) Nylon Compatible with GRACO air