20529445 Plug | Genuine Volvo Penta Part

🔧 Product Description

This genuine Volvo Penta plug is an OEM service component used in the Cylinder-Block / Engine Gallery Plug. It is manufactured to the original Volvo Penta dimensional, material and interface requirements for the documented Volvo Penta 16-litre TAD16 generator diesel application. Technical identification: Threaded closure plug for a machined engine gallery or housing. In service, it closes and protects the specified machined opening or housing interface so fluid, pressure and contamination remain controlled. Selection must be confirmed by OEM part number 20529445, the exact model/product number, serial number and installed assembly configuration.

🚤 Compatibility

• Engine Family: TAD, D, TWD

Full model list at the end of this description.

⚙️ Key Features

• OEM part number 20529445
• Technical distinction: Threaded closure plug for a machined engine gallery or housing
• 2 used per assembly

🔌 Function

Closes and protects the specified machined opening or housing interface so fluid, pressure and contamination remain controlled. Inspect bores, threads and sealing faces for distortion or corrosion, renew associated seals and tighten the housing or cover in the specified sequence.

⚠️ Common Signs of Failure

• Oil or coolant weeping from the plug in the block or housing
• A wet trail or drip below the plug position
• Fluid level falling with no other leak found
• The plug found loose or backed out of its thread
• On removal, a pitted sealing face or corroded, stretched threads

🛠️ Service Notes

• Supersedes 3589562
• Clean the tapped bore and check the seat before refitting; a damaged face will weep past a new plug

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 20529445 → Supersedes 3589562

OEM / Related Numbers

• 3589562 earlier number superseded by this part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 D16C-A MG, D16C-A MH, D16C-B MH, D16C-C MH, D16C1-E MG, D16C1-F MG, D16C2-E MG, D16C2-F MG, D16C-D MH, D16C1-E MH, D16C1-F MH, D16C2-E MH, D16C2-F MH
• Volvo Penta TAD1640-42GE-B, TAD1640GE, TAD1640VE-B, TAD1640-42VE-C
• Volvo Penta TAD1641VE-B, TAD1641GE, TAD1641VE
• Volvo Penta TAD1642VE-B, TAD1642GE, TAD1642VE
• Volvo Penta TAD1650VE-B/51VE, TAD1650GE, TAD1650VE
• Volvo Penta TAD1643VE-B, TAD1643VE
• Volvo Penta TAD1651GE
• Volvo Penta TAD1660-62VE
• Volvo Penta TAD1662VE EU5
• Volvo Penta TAD1670-72VE
• Volvo Penta TWD1643GE
• Volvo Penta TWD1644-45GE
• Volvo Penta TWD1652GE
• Volvo Penta TWD1653GE
• Volvo Penta TWD1663GE
• Volvo Penta TWD1672-1673GE
• Volvo Penta TWD1682-83GE
• Volvo Penta TWD1683VE
• Volvo Penta TWD1744GE