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