20810227 Compression Spring | Genuine Volvo Penta Part

🔧 Product Description

Application-specific Compression Spring used in the coolant-pump, thermostat and coolant-pipe assembly on the listed Volvo Penta engines. Applies the calibrated return or retaining force required by the associated valve, cover or pump component.

🚤 Compatibility

• Engine Family: D, TWD, TAD
• HP Range: Approximately 450-600 HP
• Year Range: Approximately 2006 - 2020

Full model list at the end of this description.

⚙️ Key Features

• Genuine Volvo Penta Compression Spring
• Direct service replacement for part number 20810227
• Designed for the coolant-pump, thermostat and coolant-pipe assembly
• Applies the calibrated return or retaining force required by the associated valve, cover or pump component
• Catalogued for TAD1340GE; TAD1341GE; TAD1342GE; TAD1343VE; TAD1344GE; TAD1345GE; TAD1346GE
• Engine type: 13-litre six-cylinder turbocharged industrial diesel

🔌 Function

Applies the calibrated return or retaining force required by the associated valve, cover or pump component.

⚠️ Common Signs of Failure

• Broken, cracked or visibly collapsed spring
• Reduced free length or loss of spring force
• Uneven operation or delayed return of the controlled component
• Coil contact, fretting or corrosion damage
• Incorrect pressure, clearance or retention in the associated assembly

🛠️ Service Notes

• Compare free length and spring condition with the engine specification and replace matched sets where required.
• Confirm correct seating and unrestricted movement after assembly.

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 20810227 → Supersedes 20431469 → Supersedes 3964411

OEM / Related Numbers

• 20431469 earlier number superseded by this part
• 3964411 earlier number superseded by this part
• 24070394 - coolant-pump unit
• 20430678 - rubber moulding
• 975675 - O-ring
• 22533336 - coolant pipes
• 21843564 - coolant pipes
• 21613426 - thermostat
• 21021925 - connection pipe
• 20844430 - lock brace
• 20479636 - sealing strip

Other-Brand OEM Numbers

• VOE20810227 - Volvo Construction Equipment prefixed number format

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D12C-A MP, D12D-A MG, D12D-A MH, D12D-A MP, D12D-B MH, D12D-B MP, D12D-C MH, D12D-C MP, D12D-D MP, D12D-E MG, D12D-E MH, D12D-E MP, D12D-F MP, D12D-G MH, D12D-G MP, D12D-H MP
• Volvo Penta TAD1241GE, TAD1241VE, TAD1241-42VE
• Volvo Penta TAD1242GE, TAD1242VE
• Volvo Penta TAD1250VE, TAD1250-52VE
• Volvo Penta TAD1240GE
• Volvo Penta TAD1251VE
• Volvo Penta TAD1252VE
• Volvo Penta TWD1240VE