# 23977168 Wiring Harness | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta wiring harness weighing 5.026 kg, listed for eight D series engine applications. It supersedes 23228464 - the same number replaced by harness 23977174, which weighs only 58 grams, so identify which part of the old loom is needed.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D8A2-A MP
-   Volvo Penta D8A5-A MH
-   Volvo Penta D8A6-A MH
-   Volvo Penta D8A5-A MG
-   Volvo Penta D8A6-A MG
-   Volvo Penta D8A4-A MP
-   Volvo Penta D8A1-A MP
-   Volvo Penta D8A3-A MP

-   **Engine Family:** D

## ⚙️ Key Features

-   Cables and Fuses group
-   5.026 kg
-   Listed for eight D series engine applications
-   Supersedes 23228464, the same number that harness 23977174 also replaces

## 🔌 Function

Carries power and signals between the engine's sensors, actuators and control unit through one pre-formed loom with the correct connector at each end.

## ⚠️ Common Signs of Failure

-   Warning lamps or fault codes that come and go with engine movement
-   Connector pins green with corrosion or pushed back in their housing
-   Chafed insulation where the loom passes a sharp edge or a hot pipe
-   Engine cutting out when the loom is moved by hand
-   Sheathing melted or gone hard near an exhaust component

## 🛠️ Service Notes

-   Two harnesses replace 23228464 - this one at 5.026 kg and 23977174 at 0.058 kg - so identify which part of the old loom is needed before ordering
-   Check the earth points and connector pins before condemning a loom
-   Route and clip the new harness exactly as the old one ran

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   23977168 → Supersedes 23228464

### OEM / Related Numbers

-   23228464 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 4074.91 AUD
- **Vendor:** Volvo Penta
- **Type:** Electrical & Wiring
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4074.91 AUD | In stock |

## Images

- 23977168 Wiring Harness | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/23977168-wiring-harness-genuine-volvo-penta)
> Updated: 2026-10-11