# 873788 Electronic Unit | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta electronic unit from the Instruments group, weighing 0.138 kg and listed for 7 applications on TAMD engines. It supersedes 862861.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAMD162C-C
-   Volvo Penta TAMD162A
-   Volvo Penta TAMD162C
-   Volvo Penta TAMD162C-B
-   Volvo Penta TAMD163A-A
-   Volvo Penta TAMD165A
-   Volvo Penta TAMD165C

-   **Engine Family:** TAMD

## ⚙️ Key Features

-   Instruments group electronic unit
-   0.138 kg
-   Listed for 7 TAMD applications
-   Supersedes 862861

## 🔌 Function

Handles the panel's electronic switching and signalling for the circuits it serves.

## ⚠️ Common Signs of Failure

-   Function it drives working intermittently or not at all
-   Warning behaviour that changes as the unit warms up
-   Corrosion or damp in the connector
-   Scorch marks or a burnt smell from the housing
-   Circuit that responds when the unit is tapped

## 🛠️ Service Notes

-   Check the supply, earth and connector condition before replacing the unit
-   Keep the unit dry on refitting — damp in the connector is a common cause of the same symptoms

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   873788 → Supersedes 862861

### OEM / Related Numbers

-   862861 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 1471.01 AUD
- **Vendor:** Volvo Penta
- **Type:** Instruments & Gauges
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1471.01 AUD | In stock |

## Images

- 873788 Electronic Unit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/873788-electronic-unit-genuine-volvo-penta)
> Updated: 2026-10-08