# 3857900 Bolt | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta bolt from the Engine group, weighing 0.086 kg and listed for 25 applications. No length is published for it, and it is roughly four times the weight of bolt 3857901, which is listed as 1.38 inch (35 mm) long.

## 🚤 Compatibility

Full model list at the end of this description.

## ⚙️ Key Features

-   0.086 kg
-   From the Engine group
-   Listed for 25 applications
-   Heavier than bolt 3857901, which is 1.38 inch (35 mm) long
-   10 used per assembly

## 🔌 Function

Clamps two engine components together, holding the joint tight against load and vibration through the tension in its shank.

## ⚠️ Common Signs of Failure

-   Joint working loose or weeping under load
-   Thread stripped, stretched or picked up on removal
-   Head corroded, rounded or split
-   Shank necked down or visibly stretched
-   Bolt turning without tightening as the thread in the casting gives up

## 🛠️ Service Notes

-   No length is published, so measure the bolt you are replacing and order by part number
-   Check the thread in the casting before fitting a new bolt into a joint that has already worked loose

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta 3.0GLM-A, 3.0GLM-B, 3.0GLM-C, 3.0GLP-A, 3.0GLP-B, 3.0GLP-C, 3.0GLP-D, 3.0GLP-E, 3.0GLP-J, 3.0GLP-N, 3.0GSM-A, 3.0GSM-B, 3.0GSMBYMCE, 3.0GSM-C, 3.0GSMLKD, 3.0GSMWTR, 3.0GSP-A, 3.0GSP-B, 3.0GSPBYMCE, 3.0GSP-C, 3.0GSPEFS, 3.0GSPLKD, 3.0GSPWTR, 3.0GXiC-J, 3.0GXi-J

## Details

- **Price:** 26.75 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 26.75 AUD | In stock |

## Images

- 3857900 Bolt | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3857900-bolt-genuine-volvo-penta)
> Updated: 2026-10-09