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Designed for easy replacement of regulator seats
but it is engineered for reliable operation within GRACO’s industrial and maintenance machinery
Follow GRACO equipment manual for detailed disassembly and reassembly instructions
Replace worn or damaged pistons with the genuine GRACO 260369 part
Used in GRACO spray foam systems and other fluid handling equipment to connect piping sections securely and efficiently
GRACO Endurance MaxLife Piston Pump (1 5/16" Inlet, 3/8" Outlet) - (SKU: 16X423) Designed for easy replacement ofThe GRACO 16X423 Endurance MaxLife Piston Pump is a replacement pump designed for use in GRACO GMAX II 7900 Standard Series Hi Boy sprayers (model year 2019 and newer). It is constructed with a Chromex rod and hardened stainless steel cylinder, offering enhanced durability and longevity. The pump is intended to provide reliable, high pressure fluid transfer for industrial and agricultural spray applications. Key Features: Replacement Pump 16X423
