# 3840809 Stud | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta stud for D1-13A and D1-13B engines, weighing 4.5 grams and listed for 6 applications on D series engines. It supersedes part number 861819. No system group is published against it, so the engine designation is the ordering detail.

## 🚤 Compatibility

Typically suits:

-   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:** 13-20 HP

## ⚙️ Key Features

-   For D1-13A and D1-13B
-   4.5 grams
-   6 applications on D series engines
-   Supersedes 861819
-   2 used per assembly

## 🔌 Function

Provides a fixed threaded post for a component to be mounted on and nutted down.

## ⚠️ Common Signs of Failure

-   Stud pulled, stretched or snapped
-   Thread damaged, galled or corroded
-   Stud turning in its tapped hole instead of holding
-   Component loose on the stud, with the joint weeping
-   Nut seized so hard the stud comes out with it

## 🛠️ Service Notes

-   Confirm the engine is a D1-13A or D1-13B before ordering
-   Fit the stud to the specified depth and let it set before nutting the component down
-   Clean and check the tapped hole - a stripped hole will not hold a new stud

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3840809 → Supersedes 861819

### OEM / Related Numbers

-   861819 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 8.05 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 8.05 AUD | In stock |

## Images

- 3840809 Stud | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3840809-stud-genuine-volvo-penta)
> Updated: 2026-08-22