# 20593497 Hexagon Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta hexagon screw from the Engine group, weighing 0.072 kg and listed for 8 applications on TAD engines.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAD650VE
-   Volvo Penta TAD660VE
-   Volvo Penta TAD720VE
-   Volvo Penta TAD721VE
-   Volvo Penta TAD722VE
-   Volvo Penta TAD750VE
-   Volvo Penta TAD520VE
-   Volvo Penta TAD760VE

-   **Engine Family:** TAD

## ⚙️ Key Features

-   0.072 kg
-   Listed for 8 applications on TAD engines
-   Engine group
-   4 used per assembly

## 🔌 Function

Provides the specified threaded clamping load at the mounting position.

## ⚠️ Common Signs of Failure

-   Screw found slack or backed out at inspection
-   Head rounded or the drive damaged on removal
-   Thread galled, stretched or picked up
-   Joint face fretted where clamp load has been lost

## 🛠️ Service Notes

-   Chase and clean the mating thread before refitting - a contaminated thread reads as correct torque without giving the clamp load

## 🔄 Supersession & Cross Reference

### OEM / Related Numbers

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-   20405987 - Fan-drive adapter references
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-   20460331 - Fan references
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-   3827487 - Fan references
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-   20593398 - Belt-tensioner references
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-   978467 - Related V-belt sets
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## 📦 Condition

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

## Details

- **Price:** 25.36 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 25.36 AUD | In stock |

## Images

- 20593497 Hexagon Screw | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20593497-hexagon-screw-genuine-volvo-penta)
> Updated: 2026-10-06