# 20496040 Cap Plug | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Cap Plug - Part Number: 20496040

  

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.

  

⚙️ Key Features

  

• Manufactured to the original Volvo Penta dimensions and installation specification

• Maintains correct fit, alignment and service access within the designated assembly

• Designed for diesel-engine heat, vibration and operating-load exposure

• Direct service replacement for a worn, damaged, missing or corroded original component

• Must be matched by part number, engine model and product/serial configuration before installation

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20496040 (OEM catalogue reference)

  

OEM / Related Numbers:

  

• Cylinder block/crankcase plugs, sealing components and service hardware

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Cylinder block, crankcase or cylinder-head service opening

  

Typically suits:

  

• Engine models:

• D5A-B TA; D5A-T; D5A-TA; D7A-TA; D7A-T; TAD420VE; TAD520VE; TAD620VE; TAD720VE; TAD721VE; TAD722VE

• HP Range: Not a horsepower-selected component; verify by engine model, product number and installation

• Engine Type: Volvo Penta turbocharged diesel engine

• Year Range: Approximately late 1990s-2010s, depending on engine and installation

  

🔌 Function

  

Closes and seals the designated machined, casting or service opening.

  

Common signs of failure:

  

• Oil, coolant, air or combustion residue leaking around the plug

• Loose fit, corrosion, cracking or deformation

• Plug movement or partial ejection from the opening

• Contamination entering the sealed passage or cavity

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 14.26 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 14.26 AUD | In stock |

## Images

- 20496040 Cap Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20496040-cap-plug-genuine-volvo-penta)
> Updated: 2026-07-29