The transition nipple, marked with code K 27755, is an essential connector for the indicator valve system in the ZV40/48 engine. Designed to facilitate secure and leak-proof connections, this nipple serves as a transitional link between different segments of the valve assembly. Its robust construction ensures stability and prevents pressure loss, enabling accurate pressure readings and efficient operation of the indicator valve. By maintaining a tight seal, it helps optimize engine diagnostics and performance monitoring, especially under fluctuating pressure conditions.