20585484 Level Sensor | Genuine Volvo Penta Part

🔧 Product Description

A genuine coolant level sensor used across numerous Volvo Penta marine and industrial engine families. It monitors the expansion tank or coolant reservoir and triggers a low-level warning through the connected control system. Listed under Instruments group for Volvo Penta TAD734GE industrial/genset engine.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD721GE
• Volvo Penta TAD722GE
• Volvo Penta TAD732GE EDC4
• Volvo Penta TAD733GE EDC4
• Volvo Penta TAD734GE

• Engine Family: TAD

⚙️ Key Features

• Application-specific sensing range and electrical output
• Matched connector and mounting interface for the documented monitoring circuit
• Provides live data to the engine-control, alarm or display system
• Designed for engine vibration, heat and fluid exposure at the assigned location
• Correct diagnosis requires signal, supply, ground and harness checks
• Serial-number confirmation prevents mixing sensors with different calibration ranges
• Engine type: Volvo Penta D5/D7 inline industrial diesel family

🔌 Function

Detects coolant level and reports a low-level condition to the monitoring system.

⚠️ Common Signs of Failure

• A false low-coolant warning appears
• No warning occurs when coolant level is actually low
• The level reading changes intermittently with vibration
• Connector corrosion or damaged wiring interrupts the signal
• The sensor is contaminated, cracked or electrically outside specification

🛠️ Service Notes

• Note the wiring and the sensor's orientation before removal, and isolate the circuit so nothing is live while the sender is out
• Check the float or probe moves freely through its full travel before fitting, and that nothing inside the tank or reservoir can foul it
• Seal the thread or flange as the installation specifies, and be sparing with sealant on a sender that earths through its body — an insulated sender reads nothing at all
• Do not over-tighten; these are thin-walled sensor bodies going into thin-walled tanks and housings
• Prove the installation end to end afterwards, confirming the gauge or alarm responds correctly at both ends of the range rather than assuming a new part must be good

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 20585482 - Related Expansion Tank
• 20585486 - Related Cap
• 20585475 - Related Fan Shroud
• 20585513 - Related Brace
• 20585438 - Related D5/D7 Charge Air Cooler
• 20585515 - Related Fan
• 3827336 - Related charge-air-cooler references
• 21922701 - Related charge-air-cooler references
• 20412320 - Related radiator references
• 21266489 - Related radiator references
• 21540808 - Related radiator references
• 20531427 - Expansion-tank references
• 20531428 - Expansion-tank references
• 20845189 - Expansion-tank references
• 20531429 - Related level-sensor references
• 20824642 - Related level-sensor references
• 20405882 - Fan-shroud references
• 20412321 - Fan-shroud references
• 21266511 - Fan-shroud references
• 21266512 - Fan-shroud references
• 20412278 - Related coolant and water pipes
• 20412279 - Related coolant and water pipes
• 20405697 - Related coolant and water pipes

📦 Condition

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