# 21137194 Wiring Harness | Genuine Volvo Penta Part

## 🔧 Product Description

A configuration-specific wiring harness for the d13 electronically controlled marine diesel electrical system. It distributes power, ground and sensor/actuator signals through sealed branches whose length and connector population match the engine dataset and installed options.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D3-140A-D
-   Volvo Penta D3-170A-D
-   Volvo Penta D3-200A-D
-   Volvo Penta D3-220A-D

-   **Engine Family:** D
-   **HP Range:** 140-220 HP

## ⚙️ Key Features

-   Sealed application-specific connectors
-   Branch lengths follow the original engine routing
-   Conductor sizes match circuit load
-   Integrated shielding or twisted pairs where required
-   Harness generation, ECU dataset and engine serial number must match
-   Engine type: D13 electronically controlled marine diesel electrical system

## 🔌 Function

Connects the ECU, sensors, actuators and installation interfaces while protecting low-voltage signals from heat, oil, moisture and vibration.

## ⚠️ Common Signs of Failure

-   Intermittent transmission or control faults that come and go with vessel movement
-   Warning lamps or stored codes that clear on their own
-   Insulation chafed through where the harness crosses a bracket or edge
-   Green or white corrosion on the connector pins when unplugged
-   Broken conductor or a cracked connector housing found on strip-down

## 🛠️ Service Notes

-   Back-probe the connector rather than piercing the insulation, as a pierced sheath lets moisture into the loom
-   Renew the cable clips and any missing sleeving so the replacement harness is not chafed in the same place
-   Check the ground connection and its stud before replacing the harness

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

-   20513343 - cam/flywheel speed sensor used by related harnesses
-   21109100 - sensor-kit references used by serial-controlled versions
-   21138559 - sensor-kit references used by serial-controlled versions

## 📦 Condition

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

## Details

- **Price:** 809.23 AUD
- **Vendor:** Volvo Penta
- **Type:** Electrical & Wiring
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 809.23 AUD | In stock |

## Images

- 21137194 Wiring Harness | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21137194-wiring-harness-genuine-volvo-penta)
> Updated: 2026-10-11