# 20496770 Hub | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Hub - Part Number: 20496770

  

Precision support or rotating-system component used in the crankshaft front pulley, hub and vibration-drive assembly. It maintains alignment, controls movement and supports the loads specified for the original assembly.

  

⚙️ Key Features

  

• Manufactured to the original Volvo Penta dimensions and installation specification

• Maintains correct fit, alignment and service access within the designated assembly

• Designed for diesel-engine heat, vibration and operating-load exposure

• Direct service replacement for a worn, damaged, missing or corroded original component

• Must be matched by part number, engine model and product/serial configuration before installation

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 20496770 (OEM catalogue reference)

  

OEM / Related Numbers:

  

• Crankshaft front seal, vibration damper, hub and auxiliary-drive hardware

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Crankshaft front pulley, hub and vibration-drive assembly

  

Typically suits:

  

• Engine models:

• D9A2A D9-425; D9A2A D9-500 (R4); D9A2A D9-575; D9A2A D9A-MG; TAD940GE; TAD940VE; TAD941GE; TAD941VE; TAD942VE; TAD943VE; TAD950VE; TAD951VE; TAD952VE; D12C-A MP; D12D-A MG; D12D-A MH; D12D-A MP; D12D-B MH; D12D-B MP; D12D-C MH; D12D-C MP; D12D-D MP; D12D-E MG; D12D-E MH; TAD1240GE; TAD1241GE; TAD1241VE; TAD1242GE; TAD1242VE; TAD1250VE; TAD1251VE; TAD1252VE

• HP Range: Approximately 300-750 HP, depending on engine rating

• Engine Type: Volvo Penta turbocharged diesel engine

• Year Range: Approximately late 1990s-2010s, depending on engine and installation

  

🔌 Function

  

Transfers rotational drive while maintaining pulley alignment, concentricity and the specified belt path.

  

Common signs of failure:

  

• Visible wobble, runout or belt misalignment

• Worn, damaged or polished pulley grooves

• Fretting, looseness or cracking at the hub/shaft interface

• Belt squeal, edge wear or repeated belt loss

• Abnormal bearing load or vibration in the driven assembly

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 811.84 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 811.84 AUD | In stock |

## Images

- 20496770 Hub | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20496770-hub-genuine-volvo-penta)
> Updated: 2026-07-30