# 21246391 Hexagon Screw | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta Lubricating-System Hexagon Screw - Part Number: 21246391

  

Genuine engine fastener used in the sump, cylinder-block and lubricating-system assemblies of Volvo Penta compact diesel engines. It provides the specified clamping load for the corresponding oil-system component.

  

⚙️ Key Features

  

• Genuine Volvo Penta hexagon screw

• Used in sump and lubricating-system assemblies

• Correct OEM thread, length and strength specification

• Suitable for high-vibration diesel-engine service

• Must be tightened to the specified torque

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• Current OEM reference: 21246391

  

OEM / Related Numbers:

  

• 21246391

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Confirmed use includes:

  

• D1-13F lubricating-system and sump assembly

• D2-55A

• D2-55B

• D2-55C

• D2-55D

• D2-55E

• D2-55F

  

The D2-55 installation uses this screw at several cylinder-block and oil-sump fastening positions.

  

🔌 Function

  

The screw clamps the designated lubricating-system or sump component against its sealing face while resisting engine vibration and thermal cycling.

  

Common signs that replacement is required:

  

• Rounded head

• Stretched fastener

• Damaged threads

• Corrosion

• Oil leakage caused by insufficient clamping

• Screw unable to retain the specified torque

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 4.55 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4.55 AUD | In stock |

## Images

- 21246391 Hexagon Screw | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21246391-hexagon-screw-genuine-volvo-penta)
> Updated: 2026-08-02