3808797 Thermo Monitor | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta thermo monitor for the D1-20 only, weighing 0.070 kg and listed for 6 applications on D-series engines. It supersedes part number 3584128, which was catalogued earlier as a temperature sensor.

🚤 Compatibility

Typically suits:

• Volvo Penta D2-40
• Volvo Penta D2-55C
• Volvo Penta D2-75
• Volvo Penta D1-30
• Volvo Penta D1-13
• Volvo Penta D1-20

• Engine Family: D
• HP Range: 13-75 HP

⚙️ Key Features

• Only for D1-20
• Supersedes 3584128, previously listed as a temperature sensor
• 0.070 kg
• 6 applications on D-series engines

🔌 Function

Watches coolant temperature and switches the alarm or warning circuit when it rises past its setting.

⚠️ Common Signs of Failure

• Overheat alarm sounding with a normal gauge reading, or no alarm at all when the engine is hot
• Warning lamp flickering with engine vibration
• Corrosion or weeping around the threaded body
• Coolant seeping at the sensor boss
• Terminal loose, or the spade corroded

🛠️ Service Notes

• Fitment is restricted to the D1-20, so confirm the engine model before ordering
• Check the coolant level and thermostat before blaming the monitor for a false alarm

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3808797 → Supersedes 3584128

OEM / Related Numbers

• 3584128 earlier number superseded by this part

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging