# 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-   20431469 earlier number superseded by this part
-   3964411 earlier number superseded by this part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

## Details

- **Price:** 25.62 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 25.62 AUD | In stock |

## Images

- 20810227 Compression Spring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20810227-compression-spring-genuine-volvo-penta)
> Updated: 2026-08-22