# 955590 Hexagon Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta hexagon screw 38 mm long, weighing 0.093 kg and listed for 61 applications across the MD, TMD, AQD, TAMD, TD and D series. It supersedes 921904. Two other screws here measure 38 mm, 955577 and 955693, so check the engine series and order by part number.

## 🚤 Compatibility

-   **Engine Family:** MD, TMD, AQD, TAMD, TD, D, TAD, TID

Full model list at the end of this description.

## ⚙️ Key Features

-   38 mm long
-   0.093 kg
-   Supersedes 921904
-   61 applications across six engine series
-   Quantity varies by assembly, most commonly 12

## 🔌 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 stretched or snapped at the shank

## 🛠️ Service Notes

-   This is the only one of the three 38 mm screws here listed for the TAMD series

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   955590 → Supersedes 921904

### OEM / Related Numbers

-   921904 earlier number superseded by this part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 TD120A, TD120AG, TD120AG PP, TD120AHC, TD120AK, TD120ARC, TD120BHC, TD120BRC
-   Volvo Penta TAMD122A, TAMD122A/C, TAMD122D, TAMD122P-A, TAMD122P-B, TAMD122P-C
-   Volvo Penta AQD70B, AQD70BL, AQD70CL, AQD70D, AQD70C
-   Volvo Penta TAMD162A, TAMD162B, TAMD162C, TAMD162C-B
-   Volvo Penta D70B, D70B K, D70B PP
-   Volvo Penta MD100A, MD100B, MD100B-CC
-   Volvo Penta TAD120AHC, TAD120BHC, TAD120CHC
-   Volvo Penta D100A, D100B
-   Volvo Penta D120A, D120AK
-   Volvo Penta TAMD120A, TAMD120B
-   Volvo Penta TAMD71B, TAMD71A
-   Volvo Penta TD100A, TD100AG
-   Volvo Penta TD121CHC, TD121CRC
-   Volvo Penta TID120FPP, TID120HPP
-   Volvo Penta TMD120A, TMD120B
-   Volvo Penta D42A
-   Volvo Penta TAD121CHC
-   Volvo Penta TAMD102D
-   Volvo Penta TAMD103A
-   Volvo Penta TAMD121D
-   Volvo Penta TAMD61A
-   Volvo Penta TAMD62A
-   Volvo Penta TAMD74A
-   Volvo Penta TD70B
-   Volvo Penta TID121FG
-   Volvo Penta TMD100A
-   Volvo Penta TMD121C
-   Volvo Penta TMD122A

## Details

- **Price:** 9.06 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 9.06 AUD | In stock |

## Images

- 955590 Hexagon Screw | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/955590-hexagon-screw-genuine-volvo-penta)
> Updated: 2026-09-06