# 3886397 O-Ring | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta o-ring weighing 23 grams and listed for 9 applications across the D series. It is much, against 4.5 grams for 3886404 and the nominal 0.2 grams published for 3886395 and 3886396.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta D2-40
-   Volvo Penta D2-40B
-   Volvo Penta D2-40F
-   Volvo Penta D1-13
-   Volvo Penta D1-13B
-   Volvo Penta D1-13F
-   Volvo Penta D1-20
-   Volvo Penta D1-20B
-   Volvo Penta D1-20F

-   **Engine Family:** D
-   **HP Range:** 13-40 HP

## ⚙️ Key Features

-   23 grams
-   9 applications across the D series
-   The largest of the o-rings listed here

## 🔌 Function

Seals a static joint by compressing into its groove, keeping fluid or gas from escaping.

## ⚠️ Common Signs of Failure

-   Leak or weep from the joint under pressure
-   Ring flattened, extruded or nicked on removal
-   Ring hardened, cracked or swollen
-   Groove or bore scored where the ring sits
-   Joint needing repeated retightening to stay dry

## 🛠️ Service Notes

-   Renew the ring rather than reusing it once the joint has been disturbed, and check the groove and bore for scoring
-   Lubricate with clean system fluid and ease the ring over any threads or edges so it is not cut on assembly

## 📦 Condition

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

## Details

- **Price:** 10.44 AUD
- **Vendor:** Volvo Penta
- **Type:** Gaskets & Seals
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 10.44 AUD | In stock |

## Images

- 3886397 O-Ring | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3886397-o-ring-genuine-volvo-penta)
> Updated: 2026-10-09