3809563 Cap | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta cap from the Alternator, Charging, Electric Motor, Electric Drives group, weighing 0.020 kg and listed for 30 applications across D and TAD series engines. It supersedes part number 20503093, which was catalogued earlier as an idler pulley.

🚤 Compatibility

• Engine Family: D, TAD

Full model list at the end of this description.

⚙️ Key Features

• 30 applications across D and TAD series engines
• Supersedes 20503093
• 0.020 kg
• Quantity varies by assembly, most commonly two

🔌 Function

Closes off and protects the opening it fits, keeping dirt and water out of the assembly behind it.

⚠️ Common Signs of Failure

• Cap missing, cracked or split
• Water or dirt found in the assembly behind it
• Corrosion starting at the exposed opening
• Cap loose and rattling in its seat

🛠️ Service Notes

• The number this replaces was previously listed as an idler pulley, so if you are working from an old parts list expecting a pulley, confirm what your engine actually needs before ordering

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 3809563 → Supersedes 20503093

OEM / Related Numbers

• 20503093 earlier number superseded by this part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 D9A2J, D9A2G, D9A2D, D9A2B, D9A2F, D9A2K, D9A2H, D9A2A, D9A2C, D9A2E
• Volvo Penta D8A2-A MP, D8A5-A MH, D8A6-A MH, D8A5-A MG, D8A6-A MG, D8A4-A MP, D8A1-A MP, D8A3-A MP
• Volvo Penta TAD1640-42GE-B, TAD1640GE
• Volvo Penta TAD1641GE, TAD1641VE
• Volvo Penta TAD1642GE, TAD1642VE
• Volvo Penta TAD1643VE
• Volvo Penta TAD1650GE
• Volvo Penta TAD1651GE
• Volvo Penta TAD1660-62VE
• Volvo Penta TAD1662VE EU5
• Volvo Penta TAD1670-72VE