# 20924080 Plug | Genuine Volvo Penta Part

## 🔧 Product Description

Electrical monitoring component used in the engine sensor, instrument and electrical-monitoring system. It provides the control or instrument system with the required operating-state signal or display.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TD720GE

-   **Engine Family:** TD
-   **HP Range:** Approximately 320 HP
-   **Year Range:** Approximately late 1990s-2010s
-   **Serial Range:** 12V, SN01096919-

## ⚙️ Key Features

-   12 V rating
-   For engines from serial number 01096919 onwards
-   0.058 kg
-   Supersedes 20460459, catalogued earlier as a glow plug
-   Listed for a single TD application
-   6 used per assembly

## 🔌 Function

Detects the monitored operating condition and sends the corresponding electrical signal to the control, alarm or instrument system.

## ⚠️ Common Signs of Failure

-   Incorrect, intermittent or missing instrument/control reading
-   Stored fault code or warning alarm
-   Open circuit, short circuit or implausible signal
-   Corroded connector or damaged wiring
-   Fault changes when the connector or harness is moved

## 🛠️ Service Notes

-   Check the system voltage before ordering - this is the 12 V part
-   Confirm the engine serial number, since the listing starts at 01096919

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   20924080 → Supersedes 20460459

### OEM / Related Numbers

-   20460459 earlier number superseded by this part
-   20405778 oil-pressure switch
-   20943001 oil-pressure sensor/switch
-   20555385; 20450687; 21291011 related pressure-sensor references
-   20924086 coolant-temperature sensor
-   20405788 rubber sleeve
-   20513340 fuel/water temperature sensor
-   20924088 flywheel speed sensor

## 📦 Condition

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

## Details

- **Price:** 160.88 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 160.88 AUD | In stock |

## Images

- 20924080 Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20924080-plug-genuine-volvo-penta)
> Updated: 2026-10-12