Graco 116839 Ring Thrust

The Thrust Ring (116839) is a critical wear component within the pump assembly. It acts as a bearing surface, absorbing axial loads and reducing friction between moving parts to ensure smooth pump operation and longevity.

Yes, part number 116839 is an authentic Graco OEM (Original Equipment Manufacturer) part, guaranteeing a perfect fit and reliable performance in your Ultra series sprayer.

The thrust ring should be replaced during routine pump rebuilds or if you notice signs of excessive wear, such as decreased pressure, unusual pump noise, or increased play in the pump mechanism. It is a common wear item in high-pressure pumps.