# 3862220 Wiring Harness | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta exhaust sensor wiring harness from the Cables and Fuses group, weighing 40 grams and listed for 9 applications. The heavier exhaust sensor harness 3862221 at 88 grams is a separate number for 2 applications, so check the fitment before ordering.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta 5.7GXi-B
-   Volvo Penta 5.7Gi-A
-   Volvo Penta 5.7GL-A
-   Volvo Penta 5.7GL-B
-   Volvo Penta 5.0GL-A
-   Volvo Penta 5.0GL-B
-   Volvo Penta 5.0GXi-A
-   Volvo Penta 4.3GL-A
-   Volvo Penta 4.3GXi-A

## ⚙️ Key Features

-   Exhaust sensor harness
-   40 grams
-   9 listed applications
-   Shorter and lighter than harness 3862221

## 🔌 Function

Carries the exhaust sensor's signal and supply between the sensor and the engine's control wiring.

## ⚠️ Common Signs of Failure

-   Fault code or warning lamp for the exhaust sensor circuit
-   Insulation chafed, cracked or heat damaged near the exhaust
-   Green or powdery corrosion in the connector
-   Intermittent signal that changes when the harness is moved
-   Pins pushed back, bent or loose in the plug

## 🛠️ Service Notes

-   Two exhaust sensor harnesses are catalogued — this one covers 9 applications and 3862221 covers 2, so order on fitment not on length
-   Route the new harness clear of hot exhaust surfaces and secure it as originally clipped
-   Check the sensor and its connector before condemning the harness

## 📦 Condition

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

## Details

- **Price:** 46.01 AUD
- **Vendor:** Volvo Penta
- **Type:** Electrical & Wiring
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 46.01 AUD | In stock |

## Images

- 3862220 Wiring Harness | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3862220-wiring-harness-genuine-volvo-penta)
> Updated: 2026-10-21