21479648 Pulley | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D8 Coolant Pump Pulley - Part Number: 21479648

A belt-drive pulley used in the coolant-pump and thermostat-housing assembly on selected Volvo Penta D8 marine engines.

⚙️ Key Features

• Genuine Volvo Penta coolant-pump pulley

• Correct groove profile and belt alignment

• Designed for D8 cooling-system loads

• Precision-balanced rotating component

• Used in engines without the specified exhaust-brake cooling arrangement where catalogued

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21479648 (current catalogued reference)

OEM / Related Numbers:

• Associated coolant pump, thermostat housing, belt and retaining fasteners

Aftermarket / Verified Equivalents:

• No documented direct aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D8 engine cooling systems

Typically suits:

• Engine models:

• D8A1-A MP

• Related D8 marine engines using pulley 21479648

• HP Range: Engine-rating dependent

• Engine Type: D8 inline-six turbocharged marine diesel

• Year Range: Cooling-system and engine-serial dependent

🔌 Function

Transfers belt drive to the coolant pump so coolant circulates through the engine.

Common signs of failure:

• Pulley wobble

• Belt squeal or misalignment

• Cracked or damaged belt grooves

• Coolant-pump bearing overload

• Rapid accessory-belt wear

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging