Pressure gauge pipes, code 335216, are essential components used in the MAN L21/31 engine to transmit pressure signals from critical points within the system to monitoring instruments. Designed for precise and reliable measurement, these pipes ensure accurate pressure readings of lubricating oil, fuel, or air systems, enabling operators to maintain optimal engine performance and detect deviations at an early stage. Manufactured from high-quality, corrosion-resistant materials and formed with exact dimensional accuracy, they withstand pressure fluctuations, vibration, and harsh operating conditions. By ensuring consistent signal transmission and system integrity, pressure gauge pipes play a vital role in safe operation, preventive maintenance, and efficient engine management.