# 955320 Hexagon Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta hexagon screw 40 mm long, weighing 0.032 kg and listed for 106 applications across the MD, D, TD, TMD, AQ and AD series. It consolidates 100309, 840421 and 902308. The other 40 mm screw here is 955364, so measure and order by part number rather than by length alone.

## 🚤 Compatibility

-   **Engine Family:** MD, D, TD, TMD, AQ, AD, AQAD, TAMD, HS, BB, AQD
-   **HP Range:** 145-480 HP

Full model list at the end of this description.

## ⚙️ Key Features

-   40 mm long
-   0.032 kg
-   Consolidates three earlier part numbers
-   106 applications across six engine series
-   L=40mm (Volvo assembly listing)
-   Quantity varies by assembly, most commonly two
-   Also supersedes Volvo part numbers 840338 and 840838

## 🔌 Function

Bolts two components together, clamping the joint through a plain hexagon head.

## ⚠️ Common Signs of Failure

-   Screw found loose or backed out at service
-   Hex flats rounded off
-   Thread stripped in the screw or in its tapping
-   Screw snapped under the head

## 🛠️ Service Notes

-   955364 is the other 40 mm screw in this run and 955261 carries the same 0.032 kg figure, so neither length nor weight identifies this screw on its own

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   955320 → Supersedes 100309

### OEM / Related Numbers

-   902308 earlier number superseded by this part
-   100309 earlier number superseded by this part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 D6-300I-F, D6-340I-G, D6-380I-G, D6-440I-G, D6-480I-G, D6-440I-WJ-G, D6-480I-WJ-G, D6-300I-G, D6-330I-F, D6-370I-F, D6-435I-C, D6-435I-D, D6-435I-E, D6-435I-F
-   Volvo Penta D4-300I-F, D4-175I-G, D4-230I-G, D4-270I-G, D4-320I-G, D4-300I-G, D4-145I-G, D4-175 VG
-   Volvo Penta 500A, 501A, 501B, 570A, 430A, 431A, 500B, 571A
-   Volvo Penta AQ151A, AQ151B, AQ151C
-   Volvo Penta D100A, D100BRC, D100B
-   Volvo Penta MD5A, MD5B, MD5C
-   Volvo Penta TD100ARC, TD100A, TD100AG
-   Volvo Penta TD120A, TD120HPP, TD120GG
-   Volvo Penta TD60A, TD60B, TD60D
-   Volvo Penta TD70CRC, TD70G, TD70B
-   Volvo Penta TMD40A, TMD40B, TMD40C
-   Volvo Penta AQ131B, AQ131C
-   Volvo Penta AQ171A, AQ171C
-   Volvo Penta AQ200D, AQ200F
-   Volvo Penta AQ225D, AQ225F
-   Volvo Penta AQ271A, AQ271C
-   Volvo Penta AQ311A, AQ311B
-   Volvo Penta AQAD40B, AQAD40A
-   Volvo Penta D70CRC, D70B
-   Volvo Penta HS85AE, HS85IVE-A
-   Volvo Penta MD11C, MD11D
-   Volvo Penta MD17C, MD17D
-   Volvo Penta MD6A, MD6B
-   Volvo Penta MD7B, MD7A
-   Volvo Penta TAMD40A, TAMD40B
-   Volvo Penta AD30A
-   Volvo Penta AQ145B
-   Volvo Penta AQ175A
-   Volvo Penta AQ205A
-   Volvo Penta AQ211A
-   Volvo Penta AQ231A
-   Volvo Penta AQ260A
-   Volvo Penta AQ290A
-   Volvo Penta AQAD30A
-   Volvo Penta AQD2B
-   Volvo Penta AQD40A
-   Volvo Penta BB140A
-   Volvo Penta BB145A
-   Volvo Penta D120A
-   Volvo Penta MD1B
-   Volvo Penta MD2B
-   Volvo Penta MD3B
-   Volvo Penta MD30A
-   Volvo Penta MD40A
-   Volvo Penta MD67C
-   Volvo Penta TAMD30A
-   Volvo Penta TD30A
-   Volvo Penta TD40A
-   Volvo Penta TMD30A

## Details

- **Price:** 3.49 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 3.49 AUD | In stock |

## Images

- 955320 Hexagon Screw | Genuine Volvo Penta Part
- 955320 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/955320-hexagon-screw-genuine-volvo-penta)
> Updated: 2026-09-06