Description
Overview:
This Oil Pressure Switch is a genuine Hatz part for the 1B40 and 1B50 diesel engines used in compact plant, generators, pumps and similar machinery. It is a metal-bodied, threaded electrical switch that monitors engine oil pressure and sends a signal to warning lights or protection circuits when pressure falls below a safe level. Built for reliability, it helps prevent costly engine damage by alerting the operator or enabling an automatic shutdown function, depending on the machine's control system. The robust construction and precise calibration suit the demands of site work and regular use. Designed for straightforward replacement during routine maintenance, it restores correct oil pressure monitoring on Hatz engines and supports smooth, dependable operation across varied applications.
Key Features:
- Genuine Hatz part for assured fit and function on 1B40 and 1B50 engines
- Accurate oil pressure monitoring to help protect the engine from low-oil damage
- Durable metal housing for long service life in tough site conditions
- Threaded mount with standard electrical terminal for simple, tidy installation
- Stable switching performance for reliable warning or protection circuits
- Suitable as a direct replacement when the original switch fails or gives erratic readings
- Supports preventative maintenance and reduces downtime risk
- Backed by Hatz quality standards for consistent performance
Typical Applications:
Used on Hatz-powered equipment such as compact generators, water pumps, light construction machinery and landscaping tools. Ideal for routine servicing, diagnosing oil warning issues, or restoring engine protection after a switch failure. Helps maintain safe running on machines operating for long periods or under variable loads.
Also known as:
Oil pressure sender, oil warning switch, low oil cut‐out switch, oil sender unit, engine oil pressure sensor, oil pressure transducer (switch type), oil safety switch.
Fits Models:
1B40
1B50
Alternate Part Numbers:
50469101
