The 548-729 is a Piper OEM oil pressure transducer used in aircraft engine monitoring systems to measure engine oil pressure and transmit an electrical signal to cockpit instruments or avionics systems. It is a critical engine health monitoring component that provides real-time oil pressure readings during all phases of engine operation.

In Piper aircraft applications, this transducer is installed in the engine oil system and continuously measures hydraulic oil pressure generated by the engine lubrication system. The sensor converts mechanical pressure into an electrical signal that is displayed on analog gauges or integrated digital engine monitoring systems, depending on aircraft configuration.

Accurate oil pressure readings are essential for engine safety, as they allow pilots to detect abnormal conditions such as oil starvation, pump failure, leaks, or internal engine wear. The transducer plays a direct role in supporting safe engine operation and early fault detection.

Manufactured to aviation standards, the 548-729 is built with a sealed corrosion-resistant metal housing and precision sensing element, designed to withstand high vibration, temperature fluctuations, and continuous exposure to engine oil and harsh operating conditions.

Because it is part of a critical engine monitoring system, reliability and calibration accuracy are essential for continued airworthiness.

Key features include:

Piper 548-729 oil pressure transducer (OEM sensor)
Measures engine oil pressure in real time
Converts pressure into electrical signal output
Interfaces with cockpit gauges or avionics systems
Critical for engine health and lubrication monitoring
Sealed corrosion-resistant metal construction
Designed for high temperature and vibration environments
Compatible with aviation engine oil systems
Supports early detection of engine lubrication issues
Direct replacement part per Piper IPC specifications