21532907 Level Guard | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Engine Oil Level Guard - Part Number: 21532907

Electronic oil level guard used in Volvo Penta D9 marine engine contacts-and-sensors systems. It monitors the protected engine-oil level circuit and supplies the engine management or alarm system with a low-level status. It is catalogued separately from oil pressure and oil pressure/temperature sensors.

⚙️ Key Features

• Genuine Volvo Penta engine-oil level guard

• Used in D9A2L MH and D9A2M MP sensor systems

• Separate function from oil pressure sensor 1077574

• Provides low-oil-level alarm/protection input

• Factory connector and calibration

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21532907 (current OEM service number)

OEM / Related Numbers:

• VOE21532907

• VOL-21532907

• Associated oil pressure/temperature sensor: 1077574

• Associated level sensor: 21872119

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D9 marine contacts-and-sensors installations

Typically suits:

• Engine models / systems:

• D9A2L MH

• D9A2M MP

• Engine Type: 9.4-litre inline-six turbocharged marine diesel

• Fitment Note: Confirm sensor location, connector and control-system version

🔌 Function

Monitors the engine-oil level circuit and warns the operator or ECU when the detected level is outside the protected range.

Common signs of failure:

• False low-oil-level alarm

• No warning with genuinely low oil level

• Intermittent signal or alarm

• Open-circuit or short-circuit diagnostic fault

• Oil leakage through the sensor body or connector contamination

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging