# 829546 Piston | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta piston from the Lubricating and Oil System group, weighing 0.008 kg and listed for 4 applications across the MD series. At 0.008 kg this is a small oil-system piston rather than an engine piston, and the short fitment list means the engine designation should be checked before ordering.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta MD11C
-   Volvo Penta MD11D
-   Volvo Penta MD17C
-   Volvo Penta MD17D

-   **Engine Family:** MD

## ⚙️ Key Features

-   0.008 kg
-   4 applications across the MD series
-   Small oil-system piston, not an engine piston

## 🔌 Function

Moves in its bore against a spring to regulate or divert oil flow as pressure changes.

## ⚠️ Common Signs of Failure

-   Oil pressure reading high, low or unsteady
-   Piston sticking or seizing in its bore
-   Scoring or varnish on the piston and bore
-   Pressure that will not settle after an oil change
-   Debris jamming the piston partly open

## 🛠️ Service Notes

-   Check the bore and its spring while the piston is out - dirty oil is the usual cause of sticking
-   Confirm the engine designation against the short fitment list, and refit clean and lightly oiled so the piston moves freely

## 📦 Condition

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

## Details

- **Price:** 316.16 AUD
- **Vendor:** Volvo Penta
- **Type:** Oil & Lubrication
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 316.16 AUD | In stock |

## Images

- 829546 Piston | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/829546-piston-genuine-volvo-penta)
> Updated: 2026-10-10