# 20405626 Oil Separator | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Crankcase Ventilation Oil Separator - Part Number: 20405626

  

Genuine Volvo Penta crankcase oil separator used on D5 engine breather systems. It separates oil droplets from crankcase vapour before the vapour is routed to the intake or atmosphere.

  

⚙️ Key Features

  

• Complete crankcase oil-separator body

• Used with gasket 20405627

• Connects through coupling 20405625 and hose 20405629

• Confirmed on filtered and unfiltered TD/TAD520-532 arrangements

• Reduces oil consumption and intake contamination

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20405626 - current Volvo Penta oil-separator reference

  

OEM / Related Numbers:

  

• 20405627 - mounting gasket

• 20405625 - conduit coupling

• 20405629 - breather hose

• 20405630 - related breather pipe

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta D5 crankcase-ventilation systems

  

Typically suits:

  

• Engine / equipment models:

• TD520GE

• TAD530GE

• TAD531GE

• TAD532GE

  

• Engine Type: Volvo Penta 5-litre industrial diesel

• Year / Serial Range: Breather and air-filter configuration dependent

  

🔌 Function

  

Separates entrained oil from crankcase gas before the gas leaves or re-enters the engine intake system.

  

Common signs of failure:

  

• Excessive oil in the breather hose

• High engine oil consumption

• Oil mist around the engine

• Crankcase pressure increase

• Blocked or damaged separator passages

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 262.83 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 262.83 AUD | In stock |

## Images

- 20405626 Oil Separator | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20405626-oil-separator-genuine-volvo-penta)
> Updated: 2026-07-29