# 20506118 Adapter | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Adapter - Part Number: 20506118

  

This genuine Volvo Penta adapter is an OEM service component used in the Cooling-System Adapter. It is manufactured to the original Volvo Penta dimensional, material and interface requirements for the documented Volvo Penta 5-litre TAD5 industrial diesel application. Technical identification: Cooling-system adapter, nominal length 86 mm. In service, it routes the specified fluid or pressure signal between matched components without leakage, restriction, vibration damage or incorrect connection geometry. Selection must be confirmed by OEM part number 20506118, the exact model/product number, serial number and installed assembly configuration.

  

⚙️ Key Features

  

• Genuine Volvo Penta OEM adapter

• OEM part number 20506118

• Documented application: Cooling-System Adapter

• Validated engine/application family: Volvo Penta 5-litre TAD5 industrial diesel

• Technical distinction: Cooling-system adapter, nominal length 86 mm

• Primary function: Routes the specified fluid or pressure signal between matched components without leakage, restriction, vibration damage or incorrect connection geometry.

• Install without twist or preload, renew the specified seals/clamps, preserve the original routing and pressure- or leak-test the circuit after assembly.

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20506118 (current/original OEM service reference)

  

OEM / Related Numbers:

  

• 20506118

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Cooling-System Adapter

  

Typically suits:

  

• Engine / product models:

• TAD520VE

  

• Engine / Application Family: Volvo Penta 5-litre TAD5 industrial diesel

• Serial / Configuration Note: Confirm overall length, connection diameters and engine serial number before ordering.

  

🔌 Function

  

Routes the specified fluid or pressure signal between matched components without leakage, restriction, vibration damage or incorrect connection geometry. Install without twist or preload, renew the specified seals/clamps, preserve the original routing and pressure- or leak-test the circuit after assembly.

  

Common signs of failure:

  

• Visible fluid leakage, dampness or staining along the line or connection

• Cracking, chafing, corrosion or impact damage

• Restricted flow caused by deposits, deformation or internal collapse

• Vibration fretting or failed support at clamps and mounting points

• Pressure loss, aeration or reduced system performance under load

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 413.94 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 413.94 AUD | In stock |

## Images

- 20506118 Adapter | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20506118-adapter-genuine-volvo-penta)
> Updated: 2026-07-29