20459830 Flange Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta flange screw, 75 mm long, from the Inlet and Exhaust System group, weighing 0.02 kg and listed for 5 fitments across the TD and TAD series. It supersedes 20459834 and 20482373, catalogued earlier as a hexagon screw and a screw.

🚤 Compatibility

Typically suits:

• Volvo Penta TD420VE
• Volvo Penta TAD620VE
• Volvo Penta TAD650VE
• Volvo Penta TAD660VE
• Volvo Penta TAD420VE

• Engine Family: TD, TAD

⚙️ Key Features

• 75 mm long
• 0.02 kg
• Inlet and Exhaust System group
• Supersedes 20459834 and 20482373, catalogued earlier as a hexagon screw and a screw
• Listed for 5 fitments across the TD and TAD series
• L=75mm (Volvo assembly listing)
• Quantity varies by assembly, most commonly four

🔌 Function

Clamps the joint while its integral flange spreads the load across the mating face.

⚠️ Common Signs of Failure

• The screw found loose or backed off at its position
• The joint weeping or blowing where the clamp load has been lost
• The flange face marked or dished from over-tightening
• The thread corroded or galled, shearing on removal
• The head rounded so a socket no longer grips

🛠️ Service Notes

• Order by length - this screw is 75 mm, and a workshop list quoting 20459834 or 20482373 is filled by this number
• Do not add a washer under the flange, as the flange is the designed bearing face

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 20459830 → Supersedes 20459834

OEM / Related Numbers

• 20482373 earlier number superseded by this part
• 20459834 earlier number superseded by this part

📦 Condition

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