

The Graco 16Y408 Pressure Control Knob provides smooth and accurate pressure adjustment for select LineLazer marking machines. Ideal for restoring proper control and maintaining consistent spray performance.
The Graco 16Y408 Pressure Control Knob is used on a range of professional line-striping machines. Below is the confirmed list of machines it fits:
The Graco 16Y408 Pressure Control Knob is a factory-original replacement part designed to provide smooth and accurate pressure adjustment on compatible Graco LineLazer series machines. Its durable construction ensures reliable control during long marking operations, helping maintain consistent performance and spray quality.