# 861830 O-Ring | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta O-ring from the Lubricating and Oil System group, weighing 0.007 kg and listed for 16 applications across the MD series.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta MD2010
-   Volvo Penta MD2010B
-   Volvo Penta MD2010-C
-   Volvo Penta MD2010-D
-   Volvo Penta MD2020
-   Volvo Penta MD2020B
-   Volvo Penta MD2020-C
-   Volvo Penta MD2020-D
-   Volvo Penta MD2030
-   Volvo Penta MD2030B
-   Volvo Penta MD2030-C
-   Volvo Penta MD2030-D
-   Volvo Penta MD2040
-   Volvo Penta MD2040B
-   Volvo Penta MD2040-C
-   Volvo Penta MD2040-D

-   **Engine Family:** MD

## ⚙️ Key Features

-   From the Lubricating and Oil System group
-   0.007 kg
-   16 applications across MD engines

## 🔌 Function

Squeezes into its groove to seal the joint against oil pressure without needing the faces to be perfectly matched.

## ⚠️ Common Signs of Failure

-   Oil weeping or dripping from the joint
-   Ring hardened, flattened or nipped on removal
-   Ring found twisted or pinched out of its groove
-   Leak returning soon after the joint has been retightened

## 🛠️ Service Notes

-   Always fit a new ring when the joint is broken, and lubricate it before assembly so it seats without twisting

## 📦 Condition

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

## Details

- **Price:** 7.9 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 7.90 AUD | In stock |

## Images

- 861830 O-Ring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/861830-o-ring-genuine-volvo-penta)
> Updated: 2026-08-22