# 840451 Spring | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta spring from the Fuel System group, listed for 21 applications on D series engines.

## 🚤 Compatibility

-   **Engine Family:** D

Full model list at the end of this description.

## ⚙️ Key Features

-   21 published applications on D series engines
-   Fuel System group

## 🔌 Function

Provides the return or preload force inside the fuel system assembly so the mechanism resets against its stop.

## ⚠️ Common Signs of Failure

-   Mechanism slow to return or sticking
-   Idle hunting or unstable engine speed
-   Spring collapsed, distorted or broken
-   Spring ends worn or corroded
-   Fuel delivery drifting from its setting

## 🛠️ Service Notes

-   This spring belongs with the injection pump and governor internals in this range, so a pump strip and bench calibration is the usual context for fitting it
-   Compare the free length with the spring coming out and fit springs as a set where more than one is disturbed

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta 2003, 2003R, 2003TB, 2003TB SOLAS, 2001AG, 2001B, 2001BG, 2001D, 2003D, 2003T, 2003TR, 2002AG, 2002B, 2002BG, 2002D, 2003B, 2003B SOLAS, 2001, 2002, 2001R
-   Volvo Penta D2003AG

## Details

- **Price:** 16.25 AUD
- **Vendor:** Volvo Penta
- **Type:** Fuel System
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 16.25 AUD | In stock |

## Images

- 840451 Spring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/840451-spring-genuine-volvo-penta)
> Updated: 2026-10-08