# 21423489 Starter Motor 24v 5.0kw | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta 24V 5.0kW D4/D6 Marine Starter Motor - Part Number: 21423489

  

Genuine 24-volt 5.0kW starter motor for Volvo Penta D4 and D6 marine diesel engines. It is associated with earlier Volvo reference 874674 and Mitsubishi starter family M8T62879.

  

⚙️ Key Features

  

• 24V electrical system

• Rated output: 5.0 kW

• D4/D6 marine diesel application

• High-torque reduction-drive construction

• Mitsubishi manufacturer cross-reference

• Not interchangeable with 12V starter 21423488

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21423489 - Current 24V OEM starter reference

• 874674 - Earlier related Volvo starter reference

  

OEM / Related Numbers:

  

• 21423489

• 874674

• 3594618 - Related Volvo starter reference

• Mitsubishi M8T62879

  

Aftermarket / Verified Equivalents:

  

• Mitsubishi Electric: M8T62879

  

🚤 Compatibility

  

Confirmed engine family:

  

• Volvo Penta D4 marine diesel engines using the 24V starter configuration

• Volvo Penta D6 marine diesel engines using the 24V starter configuration

  

Specification:

  

• Voltage: 24V

• Output: 5.0 kW

  

• Confirm engine suffix, mounting flange, pinion, terminal orientation and serial number

  

🔌 Function

  

The starter draws power from the 24V battery system and supplies the cranking torque required to start the high-compression diesel engine.

  

Common signs of failure:

  

• No crank or intermittent cranking

• Slow cranking

• Solenoid clicks without motor rotation

• Grinding or pinion engagement noise

• Starter remains engaged

• Excess current draw or overheated cables

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 1950.31 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1950.31 AUD | In stock |

## Images

- 21423489 Starter Motor 24v 5.0kw | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21423489-starter-motor-24v-5-0kw-genuine-volvo-penta)
> Updated: 2026-08-16