# 994411 Hexagon Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta hexagon screw weighing 0.100 kg and listed for 40 applications across the TWD, D and TAD series. It supersedes part number 955366.

## 🚤 Compatibility

-   **Engine Family:** TWD, D, TAD

Full model list at the end of this description.

## ⚙️ Key Features

-   0.100 kg
-   Supersedes 955366
-   40 applications across TWD, D and TAD
-   Plain hexagon head
-   Quantity varies by assembly, most commonly 24

## 🔌 Function

Clamps two components together, the hexagon head taking spanner or socket torque.

## ⚠️ Common Signs of Failure

-   Screw found loose at service
-   Hexagon flats rounded by a worn spanner or socket
-   Thread stretched, necked or galled
-   Joint fretting or weeping where tension has been lost
-   Corrosion under the head or along the shank

## 🛠️ Service Notes

-   994412 is the near neighbour in this group, published at 0.113 kg and superseding 955368, and the two cover different engines - order by number
-   Flange screw 994403 shares the same 0.100 kg published weight but has an integral flange; the head form is the difference, not the mass

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   994411 → Supersedes 955366 → Supersedes 863318

### OEM / Related Numbers

-   955366 earlier number superseded by this part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 D16C1-E MG, D16C1-F MG, D16C2-E MG, D16C2-F MG, D16C-D MH, D16C1-E MH, D16C1-F MH, D16C2-E MH, D16C2-F MH
-   Volvo Penta D8A5-A MH, D8A6-A MH, D8A5-A MG, D8A6-A MG, D8A4-A MP, D8A3-A MP
-   Volvo Penta D11B3-A MP, D11B4-A MP, D11B2-A MP, D11B1-A MP
-   Volvo Penta TAD1640-42GE-B, TAD1640GE, TAD1640VE-B, TAD1640-42VE-C
-   Volvo Penta TAD1641VE-B, TAD1641GE, TAD1641VE
-   Volvo Penta TAD1642VE-B, TAD1642GE, TAD1642VE
-   Volvo Penta TWD1683GE-B, TWD1683VE
-   Volvo Penta TAD1643VE
-   Volvo Penta TAD1650GE
-   Volvo Penta TAD1651GE
-   Volvo Penta TWD1643GE
-   Volvo Penta TWD1644-45GE
-   Volvo Penta TWD1652GE
-   Volvo Penta TWD1653GE
-   Volvo Penta TWD1672-1673GE
-   Volvo Penta TWD1682-83GE

## Details

- **Price:** 14.5 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 14.50 AUD | In stock |

## Images

- 994411 Hexagon Screw | Genuine Volvo Penta Part
- 994411 Hexagon Screw | Genuine Volvo Penta Part - photo 2 of 2

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/994411-hexagon-screw-genuine-volvo-penta)
> Updated: 2026-09-06