8170553 Expansion Plug | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta expansion plug from the Engine group, weighing 0.079 kg and listed for 27 applications across D, TWD and TAD series engines.

🚤 Compatibility

• Engine Family: D, TWD, TAD

Full model list at the end of this description.

⚙️ Key Features

• 0.079 kg
• 27 applications across D, TWD and TAD series engines
• Sealed by expansion into its bore

🔌 Function

Closes a machined or cored hole in the casting, expanding into the bore to hold and seal itself there.

⚠️ Common Signs of Failure

• Coolant or oil weeping from around the plug
• Plug face corroded, dished or perforated
• Rust staining on the casting below the plug
• Plug pushed out or loose in its bore

🛠️ Service Notes

• This is a genuine casting plug, not a deposit item — clean the bore and drive the new plug squarely to depth
• Renew any neighbouring plugs while access is good if they show the same corrosion

📦 Condition

• Genuine Volvo Penta part
• Brand new
• Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta 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, D12D-E MP, D12D-F MP, D12D-G MH, D12D-G MP, D12D-H MP
• Volvo Penta TAD1241GE, TAD1241VE, TAD1241-42VE
• Volvo Penta TAD1242GE, TAD1242VE
• Volvo Penta TAD1250VE, TAD1250-52VE
• Volvo Penta TAD1240GE
• Volvo Penta TAD1251VE
• Volvo Penta TAD1252VE
• Volvo Penta TWD1240VE