# 21467472 Spark Plug Kit | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta GM V8 Iridium Spark Plug Kit - 4 Pack - Part Number: 21467472

  

A genuine Volvo Penta four-spark-plug service pack for selected GM-based 5.0L and 5.7L petrol engines. The kit contains four long-life iridium spark plugs; two kits are required to replace all eight plugs in a V8 engine.

  

Kit Contents:

  

• 4 × iridium spark plug - 12568387

  

⚙️ Key Features

  

• Genuine Volvo Penta four-plug service pack

• Correct Volvo Penta kit number 21467472

• Contains four OEM-specification iridium spark plugs

• Two kits service one eight-cylinder engine

• Cross-references with the original ACDelco spark-plug number

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21467472 current four-pack kit reference

• 12568387 current individual plug reference

• 3858996 earlier Volvo Penta spark-plug reference

  

OEM / Related Numbers:

  

• 21467472

• VOE21467472

• 12568387 spark plug

• 3858996 earlier plug

• 21467473 related 24-pack workshop kit

  

Aftermarket / Verified Equivalents:

  

• ACDelco: 41-101

• ACDelco / GM: 12568387

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta GM-based 5.0L and 5.7L V8 ignition systems

• Engines using individual spark plug 12568387

  

Typically suits:

  

• Engine models:

• Volvo Penta V8-300-A

• Volvo Penta V8-320-A

• 5.0L and 5.7L GM V8 HVS ignition applications whose parts diagram specifies 12568387

• Eight-cylinder engine service requires two 21467472 kits

  

• HP Range: Approximately 225HP - 320HP

• Engine Type: Volvo Penta GM-based petrol V8 with high-voltage-switch ignition

• Year Range: Approximately mid-2000s - mid-2010s

• Serial Range: Engine model, ignition system and emission calibration controlled

  

🔌 Function

  

Each plug creates the ignition spark that initiates combustion in one cylinder. Correct heat range, reach and electrode design are required for stable ignition and catalyst-compatible operation.

  

Common signs of failure:

  

• Hard starting or extended cranking

• Misfire under acceleration or load

• Rough idle and poor fuel economy

• Fouled, worn or damaged electrodes

• Ignition fault codes or catalyst-damaging misfire

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 115.5 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 115.50 AUD | In stock |

## Images

- 21467472 Spark Plug Kit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21467472-spark-plug-kit-genuine-volvo-penta)
> Updated: 2026-07-30