15134976 Plug | Genuine Volvo Penta Part

🔧 Product Description

This is a genuine Volvo Penta plug used to seal an unused port or service opening on the engine, keeping fluids contained and contamination out. It is the current-issue part for D4 and D6 series marine generating-set engines and supersedes the earlier-type plug 467367. Supplied as a single plug with a net weight of approximately 0.136 kg.

🚤 Compatibility

• Engine Family: D
• HP Range: 145-480 HP
• Year Range: Approximately mid-2000s-mid-2010s

Full model list at the end of this description.

⚙️ Key Features

• Genuine Volvo Penta OEM part number 15134976
• Supersedes earlier-type plug 467367
• Net weight 0.136 kg
• Fits D4 and D6 series marine genset engines
• Supplied as an individual plug
• Engine type: Volvo Penta D11 inline 6-cylinder industrial diesel
• Quantity varies by assembly, most commonly one
• Also supersedes Volvo part number 466425

🔌 Function

The plug closes off a machined port or service opening in the engine so that oil, coolant or pressure is retained within the system. It also prevents dirt, water and debris from entering the sealed passage.

⚠️ Common Signs of Failure

• Oil or coolant weeping or dripping from around the plug
• Corroded, pitted or damaged sealing face allowing seepage
• Damaged or stripped threads preventing correct tightening
• Loss of system pressure traced to the sealed port
• Plug loosening in service due to vibration

🛠️ Service Notes

• Clean the threads and the seating face before fitting, and make sure the opening itself is clear of old sealant, swarf and corrosion
• Renew the sealing washer or O-ring where one is fitted rather than reusing a flattened one, and only use thread sealant where the workshop manual for your engine calls for it
• Tighten to the figure given in the workshop manual for your engine — plugs in aluminium and other soft castings strip easily, and a plug pulled up hard to cure a leak usually distorts the seat and makes it worse
• Where the plug closes an oil, fuel or coolant passage, run the engine up to temperature afterwards and check the joint under pressure before signing the job off
• Keep removed plugs paired with the holes they came out of during a strip-down — plugs of very similar appearance often differ in thread, reach or sealing type

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 15134976 → Supersedes 467367 → Supersedes 421144

OEM / Related Numbers

• 467367 earlier number superseded by this part
• 4772107 earlier number superseded by this part
• 467649 earlier number superseded by this part
• 421144 earlier number superseded by this part
• 15142480 related PTO shaft
• 17463337 related flywheel/PTO housing
• 947620 related housing gasket

Other-Brand OEM Numbers

• VOE15134976

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D6-340I-G, D6-380I-G, D6-440I-G, D6-480I-G, D6-300A-G, D6-340A-G, D6-380A-G, D6-440I-WJ-G, D6-480I-WJ-G, D6-400A-G, D6-440A-G, D6-300I-G, D6-480A-G
• Volvo Penta D4-175I-G, D4-230I-G, D4-270I-G, D4-320I-G, D4-300I-G, D4-150A-G, D4-230A-G, D4-270A-G, D4-320A-G, D4-300A-G, D4-145I-G