# 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

## Details

- **Price:** 1413.49 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1413.49 AUD | In stock |

## Images

- 21532907 Level Guard | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21532907-level-guard-genuine-volvo-penta)
> Updated: 2026-08-03