20515652 Plug | Genuine Volvo Penta Part

🔧 Product Description

This genuine Volvo Penta plug is an OEM service component used in the Fuel-System / Cylinder-Head Closure Plug. It is manufactured to the original Volvo Penta dimensional, material and interface requirements for the documented Volvo Penta 7-litre TAD7 generator diesel application. Technical identification: Injector-gallery or cylinder-head fuel-system closure plug. In service, it transfers diesel fuel between the matched pump, filter, governor or injector connections while maintaining the specified routing, internal flow area and leak-free sealing. Selection must be confirmed by OEM part number 20515652, the exact model/product number, serial number and installed assembly configuration.

🚤 Compatibility

• Engine Family: D, TAD

Full model list at the end of this description.

⚙️ Key Features

• OEM part number 20515652
• Technical distinction: Injector-gallery or cylinder-head fuel-system closure plug
• Quantity varies by assembly, most commonly four

🔌 Function

Closes a machined drilling in the cylinder head or injector fuel gallery, sealing the passage so fuel stays inside the circuit.

⚠️ Common Signs of Failure

• Diesel weeping from the head at the plug position
• Diesel found in the rocker cover, or oil dilution on the dipstick
• Falling fuel pressure and hard starting
• Damaged sealing face or a stripped thread found on removal

🛠️ Service Notes

• Renew the sealing washer with the plug
• Check the seat in the head for pick-up before fitting a new plug

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D7A-B TA, D7C-B TA
• Volvo Penta TAD520GE, TAD520VE
• Volvo Penta TAD530GE MECH, TAD530GE EDC4
• Volvo Penta TAD531GE MECH, TAD531GE EDC4
• Volvo Penta TAD720GE, TAD720VE
• Volvo Penta TAD721GE, TAD721VE
• Volvo Penta TAD722GE, TAD722VE
• Volvo Penta TAD730GE MECH, TAD730GE EDC4
• Volvo Penta TAD731GE MECH, TAD731GE EDC4
• Volvo Penta D5A-B TA
• Volvo Penta TAD532GE EDC4
• Volvo Penta TAD732GE EDC4
• Volvo Penta TAD733GE EDC4