# 3819876 Control Unit | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta engine control unit from the Ignition and Control Systems group, supplied as a kit, weighing 1.075 kg and listed for 2 applications on TAMD series engines. It supersedes part number 3830876, which was catalogued earlier as a dataset, so the replacement now comes as a complete unit rather than a program load on its own.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAMD74P-A
-   Volvo Penta TAMD74P-B

-   **Engine Family:** TAMD

## ⚙️ Key Features

-   Supplied as a kit
-   1.075 kg
-   Supersedes 3830876, catalogued earlier as a dataset
-   2 applications on TAMD series engines

## 📋 Kit Contents

-   Kit

## 🔌 Function

Reads the engine's sensors and controls fuelling, timing and the protection shutdowns so the engine runs to its programmed rating.

## ⚠️ Common Signs of Failure

-   Engine will not start, or cuts out, with nothing wrong at the fuel side
-   Alarms or warning lamps with no matching sensor fault
-   Instruments dropping out or reading erratically
-   Engine held in reduced power with no obvious cause
-   Corrosion or water tracking in the unit's connectors

## 🛠️ Service Notes

-   Control units are matched to the engine's build and rating, so order against the engine designation rather than by appearance
-   Its listed weight is the clearest separator in this group: siblings 3819877 and 3819881 are lighter, and 3819879, 3819883, 3819884, 3819885 and 3819887 all share 1.146 kg
-   Isolate the batteries before unplugging it, and check the harness, earths and battery voltage before condemning the unit

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3819876 → Supersedes 3830876 → Supersedes 3803535 → Supersedes 3803489 → Supersedes 3803458

### OEM / Related Numbers

-   3830876 earlier number superseded by this part
-   3828770 earlier number superseded by this part
-   3803535 earlier number superseded by this part
-   3803489 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 8315.38 AUD
- **Vendor:** Volvo Penta
- **Type:** Ignition & Controls
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 8315.38 AUD | In stock |

## Images

- 3819876 Control Unit | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3819876-control-unit-genuine-volvo-penta)
> Updated: 2026-10-12