# 20405719 Plug | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Cylinder Block M22 Gallery Plug - Part Number: 20405719

  

Genuine Volvo Penta M22 threaded plug used to close a machined cylinder-block oil, coolant or manufacturing gallery. Quantity varies in the different D5/D7 block castings.

  

⚙️ Key Features

  

• M22 threaded cylinder-block plug

• One or more used according to block casting

• Closes a machined engine gallery

• Requires the specified sealing method

• Confirmed across the complete D5/D7 engine family

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20405719 - current Volvo Penta M22 block-plug reference

  

OEM / Related Numbers:

  

• 20405717 - M30 block plug

• 20405721 - A45 cap plugs

• 20508600 / 20785813 - related block plugs

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta D5/D7 cylinder blocks

  

Typically suits:

  

• Engine / equipment models:

• TD520GE

• TAD530GE

• TAD531GE

• TAD532GE

• TD720GE

• TAD730GE

• TAD731GE

• TAD732GE

• TAD733GE

  

• Engine Type: Volvo Penta 5- and 7-litre industrial diesel

• Year / Serial Range: Cylinder-block casting and gallery position dependent

  

🔌 Function

  

Closes a machined gallery in the cylinder block to retain oil or coolant and prevent contamination.

  

Common signs of failure:

  

• Oil or coolant leakage from the plug

• Corroded or damaged plug head

• Loose plug or failed thread seal

• Damaged block threads

• Pressure loss in the affected gallery

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 16.05 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 16.05 AUD | In stock |

## Images

- 20405719 Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20405719-plug-genuine-volvo-penta)
> Updated: 2026-07-29