GRACO Piston 12.863 0.194 NYL HD - (SKU: 01/0055-1AD/89)This is a heavy duty nylon piston designed for use in GRACO spray equipment. It is engineered for lasting performance and is intended to provide reliable operation within GRACO systems. Key Features: Piston 12. 863, 0. 194 Nylon, Heavy Duty (HD) Designed for GRACO spray equipment (specific models not listed) Engineered for heavy duty performance Designed for longevity and reliability Ease of maintenance not explicitly stated, but preventative

Using genuine GRACO pistons ensures optimal fit

and is intended to maintain or restore the sealing and check valve function within the pump assembly

Ease of maintenance: Kit contains all necessary components for air valve repair

Regularly inspect and maintain the pump according to manufacturer recommendations

and longevity of the lubrication system

NLGI Grade 2 grease

Suitable for applications requiring gentle handling of fluids and resistance to corrosive materials

BSP Standard Pump)

Buna-N (BN) diaphragms and seats

Use appropriate tools and torque settings as recommended by GRACO

It is engineered for durability and smooth operation within compatible GRACO systems

The GRACO 557499 CAP