Engineered Marine Products 87-09056 Oil Pressure Warning Switch

The Engineered Marine Products 87-09056 is a marine oil pressure warning switch designed to protect your engine by triggering an audible alarm or warning light when oil pressure drops to a critically low level. This type of normally-open pressure switch closes the circuit when oil pressure falls below the rated threshold, immediately alerting the operator to a potentially damaging condition before engine failure can occur.

Key Features:

• Activates an audible alarm or warning light upon detecting dangerously low oil pressure
• Normally-open switch design — circuit closes when pressure drops below activation threshold
• Direct-fit replacement manufactured to OEM-equivalent specifications
• Durable construction suited for the harsh marine environment
• Compatible with common marine inboard, sterndrive, and outboard engine applications
• Standard pipe thread fitting for straightforward installation

Engineered Marine Products (EMP) has been a trusted OEM and aftermarket supplier of marine engine components for over 40 years, offering reliable replacement parts for electrical, fuel, cooling, and engine systems across all major brands. The 87-09056 oil pressure warning switch is an essential safety component for any vessel and helps prevent costly engine damage caused by oil starvation.