RICHWEI Oil Pressure Sender Sensor for Volvo Penta, Mercury Mercruiser, OMC – 80 psi, 1/8″ NPT

Overview

Discover the RICHWEI oil pressure sender sensor, engineered for marine use across Mercury Mercruiser, Volvo Penta, and OMC installations. This compact sensor targets a practical 80 psi monitoring range and features a 1/8"-27 NPT thread plus a 10-32 stud terminal, making it a sensible upgrade or replacement for a broad lineup of engines.

Designed to fit a wide range of powerplants, including 4L, V6, and V8 configurations, this sender is tailored for engines commonly found in mid- to large-displacement boats. The combination of robust electrical connections and a precise sensing element helps you keep a steady eye on oil pressure without adding complexity to your dashboard or wiring harness.

Key Specifications

• Thread Size: 1/8"-27 NPT
• Pressure/Resistance Range: 80 psi / 0-300 ohms
• Terminal Type: 10-32 Stud

Compatibility Highlights

This sender is designed to work as a direct or practical replacement for multiple OEM part numbers across Mercury/Mercruiser, Volvo Penta, and OMC lineups. It supports engines commonly used in recreational boats and workboats alike, including 4L, V6, and V8 families from the 3.0L to 8.2L ranges.

• Mercury/Mercruiser compatibility: 815425T, 8M0068784, 408, 815425, 90806, 90806A1
• Volvo Penta compatibility: 3853800, 3857532, 834920, 872063
• OMC compatibility: 0509445, 0982650, 3857532, 834920

What You Gain

• Reliable signal for oil pressure monitoring during sea trials and regular cruising
• Easy swap-in replacement that fits common 1/8"-27 NPT thread patterns
• Consistent electrical connection via the 10-32 stud terminal
• Broad engine coverage across popular marine brands and configurations

Practical Use and Tips

Imagine a calm morning on the water, with the gauge showing stable readings as you drift into a smooth cruise. If you’re rebuilding or upgrading, this sensor offers a compact footprint and clear electrical interface, reducing installation time and avoiding compatibility guesswork. Always verify compatibility with your specific engine model and serial numbers before purchasing to ensure a seamless fit.

For maintenance days, the sensor’s rugged construction helps maintain signal integrity in vibration-prone environments and saltwater settings, contributing to steady readings as you monitor engine health. Pair it with a well-labeled gauge cluster or data logger to keep critical information accessible at a glance, without muddying dashboards or wiring looms.

Why Choose RICHWEI

RICHWEI focuses on durable marine-grade sensors that balance precise sensing with straightforward installation. This oil pressure sender is designed to align with widely used OEM references, offering a practical path to keep your valve train information accurate while you enjoy time on the water.