# 23977174 Wiring Harness | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta wiring harness weighing 0.058 kg, listed for eight D series engine applications. It also replaces 23228464, so that old number now covers two very different parts.

## 🚤 Compatibility

Typically suits:

-   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 D8A3-A MP
-   Volvo Penta D8A7-A MP
-   Volvo Penta D8A8-A MP

-   **Engine Family:** D

## ⚙️ Key Features

-   Cables and Fuses group
-   0.058 kg
-   Listed for eight D series engine applications
-   Supersedes 23228464, the same number that harness 23977168 also replaces

## 🔌 Function

Carries power and signals between two points in the engine loom through a short pre-formed harness 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 harness passes a sharp edge or a hot pipe
-   Behaviour changing when the harness is moved by hand
-   Terminals found loose in the connector body on strip-down

## 🛠️ Service Notes

-   The old number 23228464 now covers two very different parts - this short harness and the 5.026 kg loom 23977168 - so check which is needed
-   Check the earth points and connector pins before condemning the harness

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   23977174 → Supersedes 23228464

## 📦 Condition

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

## Details

- **Price:** 111.02 AUD
- **Vendor:** Volvo Penta
- **Type:** Electrical & Wiring
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 111.02 AUD | In stock |

## Images

- 23977174 Wiring Harness | Genuine Volvo Penta Part
- 23977174 Wiring Harness | Genuine Volvo Penta Part - photo 2 of 2

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/23977174-wiring-harness-genuine-volvo-penta)
> Updated: 2026-10-11