# 20522574 Water Pipe | Genuine Volvo Penta Part

## 🔧 Product Description

This genuine Volvo Penta water pipe is an OEM service component used in the Air-Compressor Water Pipe. It is manufactured to the original Volvo Penta dimensional, material and interface requirements for the documented Volvo Penta TAD4/TAD6 industrial diesel application. Technical identification: Water pipe for the engine-mounted air-compressor cooling circuit. In service, it routes engine coolant between matched cooling-system components while maintaining unrestricted flow, leak-free joints and correct venting. Selection must be confirmed by OEM part number 20522574, the exact model/product number, serial number and installed assembly configuration.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TD420VE
-   Volvo Penta TAD420VE

-   **Engine Family:** TD, TAD

## ⚙️ Key Features

-   Genuine Volvo Penta OEM water pipe
-   OEM part number 20522574
-   Technical distinction: Water pipe for the engine-mounted air-compressor cooling circuit

## 🔌 Function

Carries water through the engine-mounted air compressor cooling circuit, keeping the compressor head within temperature.

## ⚠️ Common Signs of Failure

-   Coolant level dropping with no leak at the radiator or hoses
-   White or coloured staining and crust along the pipe
-   Steam or a hot coolant smell after a hard run
-   Corrosion pitting, a chafed section or a split at a bend found on removal
-   Bore restricted by scale when the pipe is cleared

## 🛠️ Service Notes

-   Renew the sealing washers at both connections
-   Check the pipe brackets for cracks, since an unsupported run is what fails these pipes

## 📦 Condition

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

## Details

- **Price:** 176.21 AUD
- **Vendor:** Volvo Penta
- **Type:** Hoses & Pipes
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 176.21 AUD | In stock |

## Images

- 20522574 Water Pipe | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20522574-water-pipe-genuine-volvo-penta)
> Updated: 2026-09-06