GRACO Retainer O-Ring (186165) - (SKU: 186165) Clean the grease kit and

Clean the grease kit and pump after use to prevent contamination

short-length hose connections are required

Regularly inspect and replace the seat as part of routine maintenance

and TexSpray units

Trapped air can cause unexpected pump cycling

GRACO Retainer O-Ring (186165) - (SKU: 186165) Clean the grease kit andThe GRACO 186165 Retainer O Ring is a replacement sealing component designed for use in GRACO pump assemblies. Its primary function is to retain and seal critical areas within the pump, preventing leaks and ensuring reliable operation. The material is not specified in available listings, but it is typically made from durable elastomers suitable for high pressure and chemical environments. Key Features: O Ring Compatible with select GRACO pump models