# 21547101 Wiring Harness | Genuine Volvo Penta Part

## 🔧 Product Description

A complete factory-terminated wiring harness used in a serial-specific Volvo Penta marine or industrial engine electrical system.

## ⚙️ Key Features

-   OEM connector and pin arrangement
-   Engine-compartment-rated cable insulation
-   Protected branch routing
-   Carries power, sensor and actuator circuits
-   Designed for the assigned Volvo Penta control-system generation

## 🔌 Function

The harness distributes electrical power and communication signals between the engine sensors, actuators, control module and external vessel or machine interface.

## ⚠️ Common Signs of Failure

-   Multiple intermittent fault codes
-   No-start or engine shutdown
-   Sensor readings changing when the harness is moved
-   Corroded or pushed-back connector pins

## 🛠️ Service Notes

-   Compare the new harness with the old one before fitting — check the connector types, the number of pins and the branch lengths, and lay it out alongside the old loom to confirm every branch reaches its component
-   Disconnect the batteries before unplugging or fitting a harness, and support the loom as you work so its weight never hangs on a connector or a bulkhead grommet
-   Route it along the original path and secure it with the original clips and ties, clear of hot exhaust surfaces, sharp edges and anything that moves; leave a service loop at each connector rather than pulling a branch tight
-   Push every connector home until the lock latches and protect the joints with a marine dielectric grease — an intermittent electrical fault is far more often a partly seated or salt-corroded pin than a broken wire
-   Renewing the harness is the right repair where insulation is chafed, brittle or oil-soaked, or where corrosion has tracked inside the connector bodies; patch repairs in a damp engine bay tend to fail again, and any single conductor that is repaired should be joined with tinned marine cable of the same gauge, a proper crimp and adhesive-lined heat-shrink

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   21547101 → Supersedes 20760192

### OEM / Related Numbers

-   20760192 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 925.49 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 925.49 AUD | In stock |

## Images

- 21547101 Wiring Harness | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21547101-wiring-harness-genuine-volvo-penta)
> Updated: 2026-08-22