20796351 Tank | Genuine Volvo Penta Part

🔧 Product Description

Application-specific coolant expansion tank used in the radiator, expansion-tank and complete cooling package on the listed Volvo Penta engines. Provides coolant expansion volume, deaeration and a visible fill/level point for the genset cooling package.

🚤 Compatibility

Typically suits:

• Volvo Penta TAD620VE
• Volvo Penta TAD650VE
• Volvo Penta TAD660VE

• Engine Family: TAD
• HP Range: Approximately 150-300 HP
• Year Range: Approximately 1999 - 2013
• Serial Range: SN01099346-

⚙️ Key Features

• Genuine Volvo Penta coolant expansion tank
• Direct service replacement for part number 20796351
• Designed for the radiator, expansion-tank and complete cooling package
• Provides coolant expansion volume, deaeration and a visible fill/level point for the genset cooling package
• Engine type: Four- and six-cylinder turbocharged genset diesel

🔌 Function

Provides coolant expansion volume, deaeration and a visible fill/level point for the genset cooling package.

⚠️ Common Signs of Failure

• Coolant level dropping with dried residue running down the outside of the tank
• Sweet coolant smell and crusted deposits around the seams or filler neck
• Hairline cracks or crazing in the plastic, most often along a moulding seam
• Overheating or a high coolant-temperature alarm as air is drawn into the system
• Tank body found swollen or distorted once the pressure cap is released

🛠️ Service Notes

• Inspect all sealing faces, dowels and threaded holes before assembly.
• Renew the associated gaskets and seals and follow the specified tightening sequence.

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 20796351 → Supersedes 20886207 → Supersedes 20459194 → Supersedes 20459945

OEM / Related Numbers

• 20886207 earlier number superseded by this part
• 20459194 earlier number superseded by this part
• 20459945 earlier number superseded by this part
• 20412366 - early radiator
• 20797530 - later radiator
• 20796115 - complete cooling package
• 20412281 - radiator cap
• 20412266 - plugs
• 969011 - sealing gaskets
• 20551749 - washer
• 20405749 - vibration damper
• 20405667 - brackets
• 20412287 - brackets
• 20412310 - support bracket
• 20412349 - base plate
• 20405807 - plate

Other-Brand OEM Numbers

• VOE20796351 - Volvo Construction Equipment prefixed number format

📦 Condition

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