The Graco 249478 Guard, RAC, Alpha G40 helps secure the compatible spray tip and supports proper operation of the spray gun assembly. Designed for applicable Graco airless spray equipment, this guard helps position and protect the spray tip while supporting controlled paint application. It is a practical replacement for a worn, cracked, damaged, or missing guard that may affect spray tip retention or interfere with normal operation. Replacing the guard can help restore proper spray gun assembly and support reliable performance during painting and coating projects. The Graco 249478 RAC Alpha G40 Guard is a suitable replacement when the original component is no longer serviceable. Verify compatibility with your specific spray gun before installation.