477979 Oil Line | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta oil line running from the cylinder block to the injection timing device, from the Lubricating and Oil System group, weighing 0.084 kg and listed for 1 application in the TWD series. It supersedes part numbers 477988, 477930 and 477910, one of which was catalogued earlier as an oil pressure pipe.

🚤 Compatibility

Typically suits:

• Volvo Penta TWD730ME

• Engine Family: TWD

⚙️ Key Features

• Cylinder block to injection timing device
• 0.084 kg
• 1 application in the TWD series
• Supersedes 477988, 477930 and 477910
• One superseded number was listed as an oil pressure pipe
• Also supersedes Volvo part number 471400

🔌 Function

Feeds pressurised engine oil from the cylinder block to the injection timing device so the timing mechanism is supplied and lubricated.

⚠️ Common Signs of Failure

• Oil weeping or misting from a union on the pump end
• Timing device behaving erratically or timing drifting
• Oil pressure slightly down with oil collecting below the line
• Line found chafed, kinked or fretted against the block
• Union sealing washers found flattened and weeping

🛠️ Service Notes

• Because this line feeds the injection timing device, any restriction affects injection timing, so blow the line through and check it is clear before refitting
• Renew the union sealing washers and refit every clip so the line cannot vibrate against the block

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 477979 → Supersedes 477988

OEM / Related Numbers

• 477988 earlier number superseded by this part
• 477920 referenced in the part notes

📦 Condition

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