# 20797019 Breather Pipe | Genuine Volvo Penta Part

## 🔧 Product Description

Application-specific crankcase breather pipe used in the closed crankcase-ventilation and oil-separation system on the listed Volvo Penta engines. Carries crankcase vapour and entrained oil mist between the engine and ventilation separator.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAD520VE

-   **Engine Family:** TAD
-   **HP Range:** Approximately 180-265 HP
-   **Year Range:** Approximately 1999 - 2012
-   **Serial Range:** SN10107138-

## ⚙️ Key Features

-   Genuine Volvo Penta crankcase breather pipe
-   Designed for the closed crankcase-ventilation and oil-separation system
-   Carries crankcase vapour and entrained oil mist between the engine and ventilation separator
-   Engine type: Six-cylinder turbocharged industrial diesel

## 🔌 Function

Carries crankcase vapour and entrained oil mist between the engine and ventilation separator.

## ⚠️ Common Signs of Failure

-   Oil mist and a damp oily film along the breather routing
-   Oil appearing in the inlet and a rising oil consumption
-   Crankcase pressure pushing oil past the dipstick or filler cap
-   Pipe found split, collapsed or choked with sludge on removal

## 🛠️ Service Notes

-   Renew all disturbed sealing washers, O-rings, grommets and hose clamps.
-   Confirm the pipe is naturally aligned before tightening; do not pull it into position with the fasteners.

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   20797019 → Supersedes 20778160

### OEM / Related Numbers

-   20778160 earlier number superseded by this part
-   20511323 - earlier breather pipe
-   20459252 - pressure regulator / oil separator
-   20405627 - separator gasket
-   20405938 - hose connection
-   20459255 - breather tube
-   20405755 - attaching clamp
-   20459248 - manifold
-   22999818 - later separator references
-   22999842 - later separator references
-   23141124 - nipple
-   21976104 - O-ring kit
-   20866262 - gasket
-   21860146 - breather pipe
-   21615911 - quick coupling
-   23124772 - breather hose

### Other-Brand OEM Numbers

-   VOE20797019 - Volvo Construction Equipment prefixed number format

## 📦 Condition

-   Genuine Volvo Penta part
-   Brand new
-   Supplied in original or equivalent packaging

## Details

- **Price:** 210.72 AUD
- **Vendor:** Volvo Penta
- **Type:** Hoses & Pipes
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 210.72 AUD | In stock |

## Images

- 20797019 Breather Pipe | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20797019-breather-pipe-genuine-volvo-penta)
> Updated: 2026-09-06