Graco 116838 Pin Spring

The Pin Spring (116838) is a critical component within the pump assembly of your Graco sprayer. It provides the necessary tension and return mechanism for the pin, ensuring proper valve operation and consistent pumping action.

Yes, part number 116838 is a genuine Graco OEM (Original Equipment Manufacturer) part. This ensures perfect compatibility and reliable performance for your Ultra series sprayer.

Common symptoms of a worn or failed pin spring include loss of pressure, irregular pump stroking, fluid leakage from the pump head, or the sprayer failing to prime properly. Replacing a worn spring can restore optimal pump performance.