21299963 Pulley | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Power-Steering Pump Pulley - Part Number: 21299963

A belt-drive pulley used on the power-steering pump of selected Volvo Penta D3, D4 and D6 marine propulsion systems.

⚙️ Key Features

• Genuine Volvo Penta component

• Correct groove geometry and offset

• Maintains pump and drive-belt alignment

• Designed for pump 21317314

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21299963 (current catalogued reference)

OEM / Related Numbers:

• 21317314 - power-steering pump

• 3889613 - retaining nut

• 21279536 - mounting bracket

• Associated hydraulic hoses and drive belt

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta hydraulic power-steering systems

Typically suits:

• Engine models:

• D3

• D4

• D6

• Verified D4-150A-G steering installation

• HP Range: Engine-package dependent

• Engine Type: Volvo Penta turbocharged marine diesel

• Year Range: Steering-pump and engine-serial dependent

🔌 Function

Transfers belt drive from the engine to the hydraulic power-steering pump.

Common signs of failure:

• Pulley wobble

• Belt squeal

• Rapid belt wear

• Cracked or damaged grooves

• Steering assistance becomes intermittent from belt slip

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging