3807631 Plug | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta plug from the Marine Propulsion group, weighing 0.029 kg and listed for 25 applications across D series engines. It supersedes 3812956, which was catalogued earlier as an O-ring, so confirm what your drive actually needs before ordering.

🚤 Compatibility

• Engine Family: D
• HP Range: 13-75 HP

Full model list at the end of this description.

⚙️ Key Features

• 0.029 kg
• Supersedes 3812956, previously listed as an O-ring
• 25 applications across D series engines

🔌 Function

Closes off a drilling or port in the drive housing and seals it against oil loss and water ingress.

⚠️ Common Signs of Failure

• Oil seeping from around the plug
• Plug head or drive socket damaged
• Sealing face or thread corroded
• Plug slack or backing out
• Water in the oil after the plug has been disturbed

🛠️ Service Notes

• The number it replaces was listed as an O-ring rather than a plug, so check whether you need the plug, its seal or both
• Fit a new sealing ring if one is used with the plug

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3807631 → Supersedes 3812956

OEM / Related Numbers

• 3812956 earlier number superseded by this part

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta 130SR-C, 130S, 130S-C, 130S-B, 130SR, 130SR-A, 130SR-B, 150S, 150S-B, 150SR, 150SR-B, 130S-D, 130SR-D, 150S-D, 150SR-D, 150S-C, 150SR-C
• Volvo Penta D2-40F, D2-55F, D2-50F, D2-75F, D2-60F
• Volvo Penta D1-30F, D1-13F, D1-20F