# 3852900 O-Ring | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta o-ring from the Marine Propulsion group.

## ⚙️ Key Features

-   Marine Propulsion group
-   No published section size - order by part number
-   Single use once it has been compressed

## 🔌 Function

Seals a static joint by being squeezed into its groove, blocking oil, water or air from working past the mating faces.

## ⚠️ Common Signs of Failure

-   Oil or water seeping from the joint it seals
-   Ring flattened, nicked or torn when it comes out
-   Rubber hardened, glazed or crazed with age
-   Ring has taken a permanent set and no longer springs back

## 🛠️ Service Notes

-   Renew rather than refit an o-ring once it has been compressed
-   Clean the groove and check it for burrs, then lubricate the ring lightly before assembly

## 📦 Condition

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

## Details

- **Price:** 9.88 AUD
- **Vendor:** Volvo Penta
- **Type:** Gaskets & Seals
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 9.88 AUD | In stock |

## Images

- 3852900 O-Ring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3852900-o-ring-genuine-volvo-penta)
> Updated: 2026-10-09