# 3828574 Heat Exchanger | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta heat exchanger from the Cooling System group, weighing 35.38 kg and listed for 10 applications on TAMD series engines. It is a coolant-to-raw-water unit. It supersedes part number 3826339, and at 35.38 kg it is the largest of the three heat exchangers in this group.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAMD75P-A
-   Volvo Penta TAMD73P-A
-   Volvo Penta TAMD73WJ-A
-   Volvo Penta TAMD74P-A
-   Volvo Penta TAMD74P-B
-   Volvo Penta TAMD74A
-   Volvo Penta TAMD74C-A
-   Volvo Penta TAMD74C-B
-   Volvo Penta TAMD74L-A
-   Volvo Penta TAMD74L-B

-   **Engine Family:** TAMD

## ⚙️ Key Features

-   35.38 kg
-   Coolant-to-raw-water construction
-   Largest of the three heat exchangers here
-   Supersedes 3826339
-   10 applications on TAMD engines

## 🔌 Function

Transfers heat from the engine coolant into the raw water flow, keeping the closed circuit at working temperature.

## ⚠️ Common Signs of Failure

-   Coolant temperature creeping up, especially under load
-   Coolant loss with no external leak, or oil traces in the coolant
-   Tube stack silted, scaled or blocked
-   Salt crusting, pitting or perforation on the raw water side
-   End cover joints weeping

## 🛠️ Service Notes

-   End plate 3828575 at 2.536 kg is listed in the same group for the same 10 TAMD applications, so order the two together if the old end plate is corroded
-   Renew the end cover gaskets, seals and any sacrificial anode with it, and check the raw water pump impeller for debris
-   At 35.38 kg this is a heavy, bulky unit needing lifting equipment and proper support during fitting

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3828574 → Supersedes 3826339

### OEM / Related Numbers

-   3826339 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 18405.05 AUD
- **Vendor:** Volvo Penta
- **Type:** Cooling System
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 18405.05 AUD | In stock |

## Images

- 3828574 Heat Exchanger | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3828574-heat-exchanger-genuine-volvo-penta)
> Updated: 2026-10-10
