# 20464561 Plug | Genuine Volvo Penta Part

## 🔧 Product Description

OEM closure or protective component used in the cylinder block, crankcase or cylinder-head service opening. It seals, retains or protects the designated opening and restores the original installation.

## 🚤 Compatibility

-   **Engine Family:** D, TD, TAD, MD
-   **Year Range:** Approximately late 1990s-2010s, depending on engine and installation

Full model list at the end of this description.

## ⚙️ Key Features

-   For the cylinder block, crankcase or cylinder-head service opening
-   Listed for 36 applications across D, TD, TAD and MD series engines
-   The 0.064 kg plug 20464451 shares the same fitment count and engine families

## 🔌 Function

Closes an opening in the block, crankcase or cylinder head so the gallery behind it stays sealed against pressure and dirt.

## ⚠️ Common Signs of Failure

-   Oil or coolant seeping from a blanked opening
-   Damp, dirt-caked ring around the plug
-   Plug found loose or its seal found hard and flattened
-   Bore or thread found corroded on removal

## 🛠️ Service Notes

-   This plug and the 0.064 kg plug 20464451 both list 36 applications on the same engine families, so identify the opening from the parts list before ordering
-   Renew the sealing washer or ring with the plug

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D7A-B TA, D7A-T, D7A-TA, D7C-B TA, D7C-TA
-   Volvo Penta D5A-B TA, D5A-T, D5A-TA
-   Volvo Penta MD2010, MD2010B
-   Volvo Penta TAD520GE, TAD520VE
-   Volvo Penta TAD530GE MECH, TAD530GE EDC4
-   Volvo Penta TAD531GE MECH, TAD531GE EDC4
-   Volvo Penta TAD720GE, TAD720VE
-   Volvo Penta TAD721GE, TAD721VE
-   Volvo Penta TAD722GE, TAD722VE
-   Volvo Penta TAD730GE MECH, TAD730GE EDC4
-   Volvo Penta TAD731GE MECH, TAD731GE EDC4
-   Volvo Penta TAD420VE
-   Volvo Penta TAD532GE EDC4
-   Volvo Penta TAD550GE
-   Volvo Penta TAD551GE
-   Volvo Penta TAD620VE
-   Volvo Penta TAD732GE EDC4
-   Volvo Penta TAD733GE EDC4
-   Volvo Penta TD420VE
-   Volvo Penta TD520GE
-   Volvo Penta TD720GE

## Details

- **Price:** 1.23 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1.23 AUD | In stock |

## Images

- 20464561 Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20464561-plug-genuine-volvo-penta)
> Updated: 2026-10-09