# 3018321 Hexagon Screw | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta hexagon screw for the ZF HP gearbox, from the Engine group, weighing 0.030 kg and listed for four applications across THD and DH series engines.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta THD102KB
-   Volvo Penta THD102KD
-   Volvo Penta THD102K-KB
-   Volvo Penta DH10A

-   **Engine Family:** THD, DH

## ⚙️ Key Features

-   For the ZF HP gearbox
-   0.030 kg
-   Four applications across THD and DH series engines
-   10 used per assembly

## 🔌 Function

Clamps a joint on the ZF HP gearbox installation.

## ⚠️ Common Signs of Failure

-   Thread damage or corrosion
-   Head faces rounded
-   Screw stretched by over-tightening
-   Joint working loose in service

## 🛠️ Service Notes

-   It is specified for the ZF HP gearbox — confirm the transmission type before ordering
-   Tighten to the specified torque

## 📦 Condition

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

## Details

- **Price:** 16.54 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 16.54 AUD | In stock |

## Images

- 3018321 Hexagon Screw | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3018321-hexagon-screw-genuine-volvo-penta)
> Updated: 2026-10-09