# 21134362 Idler Pulley | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Idler Pulley - Part Number: 21134362

  

A smooth or grooved idler pulley in the TAD16 fan/accessory drive. The sealed bearing supports belt wrap and routing without transmitting power to an accessory.

  

⚙️ Key Features

  

• Sealed bearing assembly

• Correct pulley diameter preserves belt geometry

• Machined running surface matches the belt side used at this position

• Designed for continuous generator-engine operation

• Mounting bolt and spacer stack must be retained in the original order

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21134362 (current OEM reference)

  

OEM / Related Numbers:

  

• 21134362

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

Assembly / Service Components:

  

• Belt tensioner and drive belt are separate serial-controlled components

  

🚤 Compatibility

  

Commonly used on:

  

• TAD16-series packaged radiator and charge-air-cooler installation

  

Typically suits:

  

• Engine models:

• TAD1640GE

• TAD1641GE

• TAD1642GE

• TAD1650GE

• TAD1651GE

• TAD1660VE

• TAD1661VE

• TAD1662VE

  

• HP Range: 16-litre generator/industrial rating dependent

• Engine Type: TAD16-series packaged radiator and charge-air-cooler installation

• Year / Serial Range: Cooling-package direction, radiator core, charge-air cooler and frame revision are serial controlled; some pushing packages use SN-2016079647

  

🔌 Function

  

Guides the drive belt around the specified path, increases belt contact on adjacent pulleys and stabilises the belt span.

  

Common signs of failure:

  

• Cracking, glazing or rib/sidewall wear

• Squeal or chirp during acceleration

• Belt tracking off-centre

• Rough pulley bearing or abnormal tensioner movement

• Reduced charging, cooling or accessory performance

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 122.53 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 122.53 AUD | In stock |

## Images

- 21134362 Idler Pulley | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21134362-idler-pulley-genuine-volvo-penta)
> Updated: 2026-08-02