# 3840804 Washer | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta washer from the Engine group, listed for 6 applications on D series engines. It is a very small washer, so order by number rather than trying to match it by eye against similar sizes.

## 🚤 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

-   6 applications on D series engines
-   Engine group
-   Very small washer - identify by part number
-   Quantity varies by assembly, most commonly two

## 🔌 Function

Spreads the fastener's clamping load and protects the surface underneath it.

## ⚠️ Common Signs of Failure

-   Washer dished, cupped or distorted
-   Fastener loosening because the washer has bedded in
-   Bright fretting or witness marks on the washer faces
-   Corrosion between washer and mating surface

## 🛠️ Service Notes

-   Fit a new washer rather than reusing a dished one
-   Check the fastener seat is clean and flat before assembly

## 📦 Condition

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

## Details

- **Price:** 8.12 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 8.12 AUD | In stock |

## Images

- 3840804 Washer | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3840804-washer-genuine-volvo-penta)
> Updated: 2026-10-08