GRACO Throat Seal - (SKU: 18C888)The GRACO 18C888 is a throat seal designed for use in GRACO airless paint sprayers and similar equipment. It is a critical sealing component, typically made from durable materials such as rubber or synthetic compounds, intended to prevent leaks and maintain pressure within the pump assembly. Key Features: Seal, throat GRACO PowerFill 3. 5 and other compatible GRACO sprayers (see parts breakdown for specific models) Essential for maintaining pump

Replace control board at the first sign of malfunction to prevent equipment downtime

but it is intended to function as a critical mechanical part

Lubricate clamps and clamping surfaces with a waterproof

and industrial painting and coating systems where reliable spring action is required for equipment operation

Used in industrial fluid handling systems where consistent mixing or agitation of materials is required

Vent hole for improved airflow and cooling

Replacement kit (single wiper)

but GRACO displacement rods are typically constructed from durable metals such as stainless steel or chrome-plated steel for longevity and resistance to wear

Precision fit for sprocket alignment

Ensure proper alignment and seating of leather parts

specifically referenced in LineDriver and similar models

490 ULTIMATE MX II