# 838103 Piston Pin | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta piston pin from the Engine group, weighing 0.204 kg and listed for 3 applications on the MD series.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta MD5A
-   Volvo Penta MD5B
-   Volvo Penta MD5C

-   **Engine Family:** MD

## ⚙️ Key Features

-   0.204 kg
-   3 applications on the MD series

## 🔌 Function

Links the piston to the small end of the connecting rod, carrying the full combustion load while allowing the rod to swing.

## ⚠️ Common Signs of Failure

-   Light metallic knock at idle that eases as the engine warms
-   Pin or bore worn oval or stepped
-   Scuffing or bluish discoloration on the pin surface
-   Pin free to rock in the piston bosses when checked
-   Retaining circlip groove damaged or the clip found displaced

## 🛠️ Service Notes

-   Check the small end bush and the piston bosses for matching wear, as a new pin in a worn bore will knock straight away
-   Fit new retaining clips rather than reusing the old ones, and follow the correct heating and assembly method for the pin fit

## 📦 Condition

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

## Details

- **Price:** 469.71 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 469.71 AUD | In stock |

## Images

- 838103 Piston Pin | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/838103-piston-pin-genuine-volvo-penta)
> Updated: 2026-08-22