# 3809690 Plug | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta plug from the Cooling System group, weighing 2.3 g and listed for 24 applications on D series engines. It supersedes part number 3584115.

## 🚤 Compatibility

-   **Engine Family:** D
-   **HP Range:** 13-75 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   24 applications on D series engines
-   Supersedes 3584115
-   2.3 g

## 🔌 Function

Closes off a drilling or port in the cooling circuit so coolant cannot escape.

## ⚠️ Common Signs of Failure

-   Coolant weeping or crusting around the plug
-   Plug corroded, or its drive rounded out
-   Thread or seat in the casting damaged
-   Plug found loose after heat cycling

## 🛠️ Service Notes

-   Renew the sealing washer or O-ring where one is fitted, and clean the thread in the casting before refitting
-   Check the drilling behind the plug is clear of scale while it is out

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3809690 → Supersedes 3584115 → Supersedes 3583698

### OEM / Related Numbers

-   3584115 earlier number superseded by this part
-   3583698 earlier number superseded by this part

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D2-40, D2-40B, D2-40F, D2-55, D2-55B, D2-55C, D2-55D, D2-55E, D2-55F, D2-50F, D2-75, D2-75B, D2-75C, D2-75F, D2-60F
-   Volvo Penta D1-30, D1-30B, D1-30F, D1-13, D1-13B, D1-13F, D1-20, D1-20B, D1-20F

## Details

- **Price:** 7.9 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

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

## Images

- 3809690 Plug | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3809690-plug-genuine-volvo-penta)
> Updated: 2026-09-06