# 20729344 Hose | Genuine Volvo Penta Part

## 🔧 Product Description

A genuine Volvo Penta formed cooling-system hose used on selected TAD16 generator-set engines. Its moulded profile provides the correct routing between cooling-system components without kinking or contacting adjacent hot or moving parts.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TWD1643GE
-   Volvo Penta TWD1652GE
-   Volvo Penta TWD1653GE
-   Volvo Penta TAD1640-42GE-B
-   Volvo Penta TAD1640GE
-   Volvo Penta TAD1640VE-B
-   Volvo Penta TAD1641VE-B
-   Volvo Penta TAD1642VE-B
-   Volvo Penta TAD1641GE
-   Volvo Penta TAD1642GE
-   Volvo Penta TAD1641VE
-   Volvo Penta TAD1642VE
-   Volvo Penta TAD1643VE
-   Volvo Penta TAD1650GE
-   Volvo Penta TAD1651GE
-   Volvo Penta TAD1650VE
-   Volvo Penta TWD1663GE

-   **Engine Family:** TWD, TAD

## ⚙️ Key Features

-   Genuine moulded Volvo Penta coolant hose
-   Engine-specific bends and connection lengths
-   Designed for pressurised heavy-duty cooling systems
-   Correct routing helps prevent chafing and flow restriction
-   Serial-number confirmation is required before installation
-   Engine type: 16-litre inline-six turbocharged and charge-air-cooled diesel generator engine

## 🔌 Function

Carries engine coolant between specified cooling-system components while maintaining a sealed, unrestricted flow path.

## ⚠️ Common Signs of Failure

-   Coolant seepage at hose ends
-   Bulging, softening or cracking
-   Abrasion or chafe damage
-   Coolant loss and elevated engine temperature

## 🛠️ Service Notes

-   Fit hoses only to clean, sound spigots — take off old rubber, scale and corrosion, and renew the spigot or pipe if it is pitted, because no clamp will seal a rough sealing face
-   Push the hose fully home so the clamp sits behind the bead or barb rather than over the end of the spigot, and fit new clamps whenever a hose is renewed
-   Let the hose follow its natural bend with no kinks and no tension on either connection, clear of hot surfaces and moving parts, with chafe protection wherever it passes a bracket, edge or bulkhead
-   Use the correct grade of hose for the duty, and clamp to the standard the installation demands — twin clamps are normal practice on seawater and fuel connections below the waterline
-   Refill, vent and run the engine, then check every joint hot and cold and recheck the clamps after the first running period as the hose beds down

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   20729344 → Supersedes 20450286

### OEM / Related Numbers

-   20450286 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 50.57 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 50.57 AUD | In stock |

## Images

- 20729344 Hose | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20729344-hose-genuine-volvo-penta)
> Updated: 2026-08-22