# 20459910 Plug | Genuine Volvo Penta Part

## 🔧 Product Description

A genuine Volvo Penta plug used in the engine fluid passage or service-port closure. It is supplied as an individual service component under part number 20459910 and is intended to restore the original fit, sealing, alignment, retention or operating function of the specified assembly. This listing supplies the named part only; adjoining components shown in the engine arrangement are serviced separately unless explicitly stated.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TD420VE
-   Volvo Penta TAD420VE

-   **Engine Family:** TD, TAD

## ⚙️ Key Features

-   Plug closing an engine service port or passage
-   0.006 kg
-   Listed for 2 fitments across the TD and TAD series

## 🔌 Function

Closes the designated service port or engine passage and maintains system sealing.

## ⚠️ Common Signs of Failure

-   Fluid or pressure leakage develops around the plug
-   Threads are stripped, crossed or corroded
-   The plug is seized or cannot be removed for service
-   The sealing face or related gasket is damaged
-   The plug repeatedly loosens under vibration

## 🛠️ Service Notes

-   Sealing ring 20459909 is listed against the same two fitments, so check whether a fresh ring is needed before refitting the plug

## 📦 Condition

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

## Details

- **Price:** 138.73 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 138.73 AUD | In stock |

## Images

- 20459910 Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20459910-plug-genuine-volvo-penta)
> Updated: 2026-09-19