21532583 Flexible Coupling | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Marine Flywheel Flexible Coupling - Part Number: 21532583

Heavy-duty flexible coupling installed between the engine flywheel and marine transmission input on Volvo Penta D11 propulsion engines. The coupling transmits engine torque while absorbing torsional pulses and small alignment variations, reducing shock loading and driveline vibration.

⚙️ Key Features

• Genuine Volvo Penta high-torque marine coupling

• Designed for D11A and D11B propulsion packages

• Absorbs torsional vibration and driveline shock

• Protects transmission input components

• Factory bolt pattern and installed geometry

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 21532583 (current OEM service number)

OEM / Related Numbers:

• VOE21532583

• VOL-21532583

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D11 marine propulsion flywheel and transmission installations

Typically suits:

• Engine models / systems:

• D11A-A

• D11A-B

• D11A-C

• D11A-D MP

• D11A-E

• D11B1-A MP

• D11B3-A MP

• Engine Type: 10.8/11-litre inline-six turbocharged marine diesel

• Fitment Note: Confirm flywheel housing, transmission model, coupling bolt circle and engine serial number

🔌 Function

Transfers torque from the engine flywheel to the marine transmission while damping torsional vibration and minor driveline shock.

Common signs of failure:

• Clunking or rattling at idle or gear engagement

• Excessive driveline vibration

• Cracked, displaced or deteriorated flexible elements

• Metal dust or fretting around the coupling

• Loss of drive or abnormal rotational free play

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging