# 873742 Wiring Harness | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta wiring harness for engines from serial number 2204215631 onwards, from the Cables and Fuses group. It weighs 0.576 kg and is listed for 6 applications across the KAD and KAMD ranges. It supersedes 873551. Three serial-break harnesses are listed together here — this one, 873743 from serial number 2204215631 onwards and 873744 from serial number 2204215631 onwards — so the engine number is what decides which you need.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta KAD42P-A
-   Volvo Penta KAD43P-A
-   Volvo Penta KAMD43P
-   Volvo Penta KAMD43P-A
-   Volvo Penta KAMD42P-A
-   Volvo Penta KAMD43P-B

-   **Engine Family:** KAD, KAMD
-   **Serial Range:** SN2204215631-

## ⚙️ Key Features

-   For engines from serial number 2204215631 onwards
-   0.576 kg
-   Listed for 6 applications
-   Covers KAD and KAMD engines
-   Supersedes 873551
-   Also supersedes Volvo part number 873055

## 🔌 Function

Carries the engine's electrical circuits between their connection points in one loom built for the later serial range.

## ⚠️ Common Signs of Failure

-   Circuits dropping out intermittently with vibration
-   Corrosion inside the connector shells
-   Chafed or cracked insulation at a bracket
-   Pins slack or pushed back in a housing
-   Fault that changes when the loom is flexed

## 🛠️ Service Notes

-   Take the engine serial number before ordering — the three harnesses listed here are separated by serial break, not by appearance
-   Note the routing and clip positions before removing the old loom

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   873742 → Supersedes 873551

## 📦 Condition

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

## Details

- **Price:** 438.51 AUD
- **Vendor:** Volvo Penta
- **Type:** Electrical & Wiring
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 438.51 AUD | In stock |

## Images

- 873742 Wiring Harness | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/873742-wiring-harness-genuine-volvo-penta)
> Updated: 2026-09-19