# 23748287 Wiring Harness | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta wiring harness weighing 2.257 kg, listed for 11 D series engine applications and superseding part number 23559375.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D4-175I-G
-   Volvo Penta D4-230I-G
-   Volvo Penta D4-270I-G
-   Volvo Penta D4-320I-G
-   Volvo Penta D4-300I-G
-   Volvo Penta D4-150A-G
-   Volvo Penta D4-230A-G
-   Volvo Penta D4-270A-G
-   Volvo Penta D4-320A-G
-   Volvo Penta D4-300A-G
-   Volvo Penta D4-145I-G

-   **Engine Family:** D
-   **HP Range:** 145-320 HP

## ⚙️ Key Features

-   Wiring harness, 2.257 kg
-   Listed for 11 D series engine applications
-   Supersedes 23559375
-   Harness 23748284 is the 2.583 kg reference covering 18 D series applications

## 🔌 Function

Routes and carries the engine's electrical connections in a single loom with the correct branch lengths and connectors.

## ⚠️ Common Signs of Failure

-   Faults that come and go as the engine vibrates
-   Unrelated fault codes appearing together
-   Corrosion or moisture inside a connector shell
-   Chafed or heat-damaged insulation where the loom is clipped
-   A broken core inside sound-looking insulation, found on testing

## 🛠️ Service Notes

-   The neighbouring harness is 23748284 - confirm the number before ordering
-   Test the connectors and earths before condemning the whole loom

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   23748287 → Supersedes 23559375 → Supersedes 23419732 → Supersedes 22841375

### OEM / Related Numbers

-   23559375 earlier number superseded by this part
-   23419732 earlier number superseded by this part
-   22841377 earlier number superseded by this part
-   22841375 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 4515.86 AUD
- **Vendor:** Volvo Penta
- **Type:** Electrical & Wiring
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4515.86 AUD | In stock |

## Images

- 23748287 Wiring Harness | Genuine Volvo Penta Part
- 23748287 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/23748287-wiring-harness-genuine-volvo-penta)
> Updated: 2026-09-19