# 3855004 Six Point Socket Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta six point socket screw from the Marine Propulsion group, weighing 11 grams and listed for 6 applications on DP drives. It supersedes part number 3854621, catalogued earlier simply as a screw.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta DP-S
-   Volvo Penta DP-S1
-   Volvo Penta DP-SM
-   Volvo Penta DP-SMTD
-   Volvo Penta DP-SMTD1
-   Volvo Penta DP-SMTD3

-   **Engine Family:** DP

## ⚙️ Key Features

-   Six point socket head
-   11 grams
-   Supersedes 3854621
-   6 listed applications on DP drives

## 🔌 Function

Clamps a component down in a position where a socket headed fastener is needed for access or clearance.

## ⚠️ Common Signs of Failure

-   Socket in the head rounded out or packed with corrosion
-   Screw found backed off and the component loose
-   Head snapped off during removal because of corrosion in the thread
-   Damaged or pulled thread in the casting

## 🛠️ Service Notes

-   Use a good quality key fully seated in the head - a rounded socket on a drive fastening is a difficult job to recover
-   Clean the thread and renew any corroded screw rather than reusing it

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   3855004 → Supersedes 3854621

### OEM / Related Numbers

-   3854621 earlier number superseded by this part

## 📦 Condition

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

## Details

- **Price:** 14.26 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 14.26 AUD | In stock |

## Images

- 3855004 Six Point Socket Screw | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3855004-six-point-socket-screw-genuine-volvo-penta)
> Updated: 2026-09-06