# 21506656 Cable Kit | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta 12V DC/DC Converter Cable and Circuit-Breaker Kit - Part Number: 21506656

  

A genuine Volvo Penta cable package for the 12-volt DC/DC unit used in selected EVC electrical installations. The kit provides the preassembled power cable and protection hardware required to connect the converter safely.

  

Kit Contents:

  

• 1 × preassembled DC/DC power cable harness - 21506656

• 1 × circuit breaker / fuse-protection device - supplied within kit 21506656

• 1 × mounting bracket - supplied within kit 21506656

• 2 × breaker-to-bracket mounting screw - supplied within kit 21506656

• 2 × cable-terminal screw - supplied within kit 21506656

  

⚙️ Key Features

  

• Genuine Volvo Penta 12V DC/DC cable kit

• Correct current Volvo Penta part number 21506656

• Supersedes earlier cable-kit reference 21450985

• Includes power cabling and circuit protection

• Designed for Volvo Penta EVC electrical installations

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21506656 → supersedes 21450985

• 21450985 earlier cable-kit reference

  

OEM / Related Numbers:

  

• 21506656

• VOE21506656

• 21450985

• 12V DC/DC converter

• fuse and relay holder

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta 12V EVC power-distribution systems

• Installations using the specified DC/DC converter and fuse / relay holder

  

Typically suits:

  

• Engine models:

• Volvo Penta D3 EVC installations using the 12V DC/DC unit

• Volvo Penta D4 EVC installations using the 12V DC/DC unit

• Volvo Penta D6 EVC installations using the 12V DC/DC unit

• Single- and twin-engine installations whose electrical diagram specifies 21506656

  

• Voltage: 12V DC/DC converter installation

• Engine Type: Volvo Penta electronically controlled marine diesel

• Year Range: EVC-generation controlled

• Serial Range: Electrical-system and converter-version controlled

  

🔌 Function

  

The cable kit supplies protected electrical power to the DC/DC converter. The circuit breaker protects the cable and connected equipment from overload or short-circuit current.

  

Common signs of failure:

  

• DC/DC converter has no power

• Circuit breaker repeatedly trips

• Voltage drop or intermittent EVC accessory operation

• Heat damage or corrosion at cable terminals

• Loose breaker or terminal screws cause arcing

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 213.51 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 213.51 AUD | In stock |

## Images

- 21506656 Cable Kit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21506656-cable-kit-genuine-volvo-penta)
> Updated: 2026-07-30