# 20459949 Pulley | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta TAD420VE Cooling-System Pulley - Part Number: 20459949

  

A genuine Volvo Penta pulley used in the engine cooling-fan or auxiliary belt drive. It is supplied as an individual service component under part number 20459949 and is intended to restore the original fit, sealing, alignment, retention or operating function of the specified assembly. This listing supplies the named part only; adjoining components shown in the engine diagram are serviced separately unless explicitly stated.

  

⚙️ Key Features

  

• Genuine Volvo Penta service component

• Designed for the engine cooling-fan or auxiliary belt drive

• Manufactured to the specified OEM dimensions and material requirements

• Suitable for maintenance, repair or overhaul of the matching engine assembly

• Exact engine and serial-number confirmation is recommended before installation

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20459949 - Current genuine Volvo Penta service reference

  

OEM / Related Numbers:

  

• 20459949 - Cooling-system pulley

• 20459947 / 20909227 - Related belt-tensioner references

• 20459311 / 11709634 - Related belts

• 20459863 / 20459864 - Related pulleys

• 20459952 - Related connector

• 20459954 - Related sealing ring

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Volvo Penta TAD420VE industrial diesel engines

• D5 cooling-fan, belt-drive and water-pump installations

  

Typically suits:

  

• Engine models:

• TAD420VE

• Engine Type: Volvo Penta D5 inline-four turbocharged industrial diesel

• HP Range: Determined by the exact TAD420VE rating

• Year Range: Engine-generation and serial-number controlled

• Serial Applicability: Confirm belt routing, pulley arrangement and engine serial number before installation

  

🔌 Function

  

Transfers belt drive between the crankshaft, fan, seawater pump, alternator or related auxiliary.

  

Common signs of failure or reasons for replacement:

  

• Belt tracking moves off centre or repeated belt damage occurs

• The pulley is cracked, distorted or worn at the belt grooves

• Run-out, wobble or vibration is visible while the engine operates

• The hub, keyway or mounting interface becomes loose

• Belt squeal, dust or abnormal auxiliary-drive noise increases

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 442.0 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 442.00 AUD | In stock |

## Images

- 20459949 Pulley | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20459949-pulley-genuine-volvo-penta)
> Updated: 2026-07-30