20490808 Cap Plug | Genuine Volvo Penta Part

🔧 Product Description

OEM closure or protective component used in the cylinder block, crankcase or cylinder-head service opening. It seals, retains or protects the designated opening and restores the original installation.

🚤 Compatibility

Typically suits:

• Volvo Penta D5A-B TA
• Volvo Penta D5A-T
• Volvo Penta D5A-TA
• Volvo Penta D7A-B TA
• Volvo Penta D7A-T
• Volvo Penta D7A-TA
• Volvo Penta MD2010
• Volvo Penta MD2010B

• Engine Family: D, MD
• Year Range: Approximately late 1990s-2010s, depending on engine and installation

⚙️ Key Features

• 0.030 kg
• Supersedes 20459907, catalogued earlier as a cover
• For the cylinder block, crankcase or cylinder-head service opening
• Listed for 8 applications across D and MD series engines

🔌 Function

Caps off an opening in the block, crankcase or cylinder head, closing and protecting the passage or cavity behind it.

⚠️ Common Signs of Failure

• Oil or coolant weeping from a capped opening
• Damp, dirt-collecting ring around the cap
• Cap found loose, distorted or its seal found hard and flattened
• Bore or thread found corroded on removal

🛠️ Service Notes

• It replaces 20459907, which earlier lists called a cover, so an older parts list may show a cover where a cap plug is now supplied
• Renew the seal with the cap and clean the bore before fitting

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 20490808 → Supersedes 20459907

OEM / Related Numbers

• 20459907 earlier number superseded by this part

📦 Condition

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