The 4th Valve Top Cap for JP Euphoniums (JP074, JP174, JP274, and JP374) serves as a purposeful replacement part, meticulously crafted to uphold the precise specifications of John Packer euphoniums.

Designed for a seamless fit, this top cap ensures the proper functioning of your instrument, contributing to its reliable performance. When maintaining the optimal condition of your euphonium is essential, choosing genuine replacement parts like the 4th Valve Top Cap is a prudent choice, affirming your commitment to quality and the longevity of your instrument.