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