# 3819877 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 0.956 kg and listed for 2 applications on TAMD series engines. It supersedes part number 3830877, which was catalogued earlier as a dataset, so what arrives is a complete unit rather than a program load on its own.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAMD74C-A
-   Volvo Penta TAMD74C-B

-   **Engine Family:** TAMD

## ⚙️ Key Features

-   Supplied as a kit
-   0.956 kg
-   Supersedes 3830877, 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

-   This unit shares its 0.956 kg weight with 3819890, the unit rated 175 kW at 2400 rpm, so weight alone will not tell the two apart
-   Control units are matched to the engine's build and rating, so order against the engine designation
-   Isolate the batteries before unplugging it, and check the harness, earths and battery voltage before condemning the unit

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3819877 → Supersedes 3830877 → Supersedes 3803532 → Supersedes 3803459

### OEM / Related Numbers

-   3830877 earlier number superseded by this part
-   3830884 earlier number superseded by this part
-   3803532 earlier number superseded by this part
-   3803459 earlier number superseded by this part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

- 3819877 Control Unit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3819877-control-unit-genuine-volvo-penta)
> Updated: 2026-10-10