# 20552404 Plug | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Plug - Part Number: 20552404

  

This genuine Volvo Penta plug is an OEM service component used in the Engine Gallery / Housing Plug. It is manufactured to the original Volvo Penta dimensional, material and interface requirements for the documented Volvo Penta serial-controlled diesel engine assemblies application. Technical identification: Companion threaded closure plug for the specified engine gallery/housing. In service, it closes the specified machined opening or service port and retains the circuit fluid or pressure. Selection must be confirmed by OEM part number 20552404, the exact model/product number, serial number and installed assembly configuration.

  

⚙️ Key Features

  

• Genuine Volvo Penta OEM plug

• OEM part number 20552404

• Documented application: Engine Gallery / Housing Plug

• Validated engine/application family: Volvo Penta serial-controlled diesel engine assemblies

• Technical distinction: Companion threaded closure plug for the specified engine gallery/housing

• Primary function: Closes the specified machined opening or service port and retains the circuit fluid or pressure.

• Confirm dimensions, thread and strength class, inspect mating threads/contact faces and tighten to the Volvo Penta torque and locking specification.

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20552404 (current/original OEM service reference)

  

OEM / Related Numbers:

  

• 20552404

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Engine Gallery / Housing Plug

  

Typically suits:

  

• Engine / product models:

• Volvo Penta engine assemblies specifying plug 20552404

  

• Engine / Application Family: Volvo Penta serial-controlled diesel engine assemblies

• Serial / Configuration Note: Confirm opening diameter/thread, sealing method, engine model/product number, block/housing casting and serial number.

  

🔌 Function

  

Closes the specified machined opening or service port and retains the circuit fluid or pressure. Confirm dimensions, thread and strength class, inspect mating threads/contact faces and tighten to the Volvo Penta torque and locking specification.

  

Common signs of failure:

  

• Loosening, fretting or movement at the retained joint

• Damaged threads, rounded flats, cracking or permanent distortion

• Loss of clamp load or incorrect alignment of the mounted component

• Corrosion, heat damage or contact-face wear

• Repeat failure caused by wrong torque or damaged mating parts

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 8.37 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 8.37 AUD | In stock |

## Images

- 20552404 Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20552404-plug-genuine-volvo-penta)
> Updated: 2026-07-29