# 22850984 Heat Exchanger | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta shell-and-tube heat exchanger from the Cooling System group, weighing 6.285 kg and listed for three D series engine applications. It is the largest of the four exchangers in this group. It supersedes part number 3840130.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D2-40
-   Volvo Penta D2-40B
-   Volvo Penta D2-40F

-   **Engine Family:** D
-   **HP Range:** 40 HP

## ⚙️ Key Features

-   Heat exchanger from the Cooling System group
-   Shell-and-tube construction
-   6.285 kg
-   Listed for three D series engine applications
-   The largest of the four exchangers in this group
-   Supersedes part number 3840130

## 🔌 Function

Passes heat from the engine coolant into the raw water drawn through it, holding the engine at working temperature while keeping sea water out of the coolant circuit.

## ⚠️ Common Signs of Failure

-   Overheating under load, or temperature slow to settle afterwards
-   Coolant lost with nothing showing outside the engine
-   Salt weeping or crusting at the end cap joints
-   Stack found scaled, furred or blocked with weed and impeller debris
-   Tubes holed, letting the two circuits mix

## 🛠️ Service Notes

-   At 6.285 kg this is the largest of the four exchangers here, but the other three run within about a kilogram of each other - order by part number
-   Look at the impeller and strainer whenever a blockage is found, and account for any missing impeller vanes
-   Renew the end cap seals and O-rings rather than reusing them

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   22850984 → Supersedes 3840130

### OEM / Related Numbers

-   3840130 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 3935.47 AUD
- **Vendor:** Volvo Penta
- **Type:** Cooling System
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 3935.47 AUD | In stock |

## Images

- 22850984 Heat Exchanger | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/22850984-heat-exchanger-genuine-volvo-penta)
> Updated: 2026-10-10