21257669 Inlet Silencer | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta D11 Supercharger Inlet Silencer - Part Number: 21257669

Genuine intake silencer used in the supercharger air system of Volvo Penta D11 marine diesel engines.

⚙️ Key Features

• Genuine Volvo Penta inlet silencer

• Reduces supercharger intake noise

• Maintains unrestricted air supply

• Correct D11 mounting and connection profile

• Used with air outlet 21162922 and supercharger 21145185

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• Current OEM reference: 21257669

OEM / Related Numbers:

• 21257669

Related Components:

• Air Outlet: 21162922

• Gasket: 21308577

• Supercharger: 21145185

• Pipe: 21257650

• Pipe: 21257648

• V-Ribbed Belt: 981021

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Confirmed engines:

• D11A-A

• D11A-B

• D11A-C MP

• D11A-C IPS

🔌 Function

The silencer reduces intake pulsation and supercharger noise while supplying the engine with a stable airflow path.

Common signs of failure:

• Increased intake noise

• Cracked housing

• Restricted airflow

• Loose connections

• Dust entry

• Reduced engine power or black smoke

• Rattling from internal damage

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging