# 3581931 Heat Exchanger | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta heat exchanger from the Cooling System group, weighing 1.814 kg and listed for two MD series engine applications.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta MD2030-C
-   Volvo Penta MD2030-D

-   **Engine Family:** MD

## ⚙️ Key Features

-   1.814 kg
-   Two MD series engine applications

## 🔌 Function

Transfers heat from the engine coolant into the raw water circuit.

## ⚠️ Common Signs of Failure

-   Overheating under load
-   Tube stack fouled with scale, silt or shell
-   Coolant and raw water mixing from an internal leak
-   External weeping at the end seals
-   Corrosion of the tube stack

## 🛠️ Service Notes

-   The middle of three MD heat exchangers in this range - confirm the engine model before ordering
-   A fouled stack is the commonest cause of gradual overheating; have it cleaned before condemning it

## 📦 Condition

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

## Details

- **Price:** 1671.44 AUD
- **Vendor:** Volvo Penta
- **Type:** Exchange & Reman Units
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1671.44 AUD | In stock |

## Images

- 3581931 Heat Exchanger | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3581931-heat-exchanger-genuine-volvo-penta)
> Updated: 2026-09-06