20405654 Hexagon Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Flywheel Retaining Hexagon Screw - Part Number: 20405654

Genuine Volvo Penta hexagon screw used to retain the flywheel to the crankshaft. Ten screws are used in the applicable SAE 2 and SAE 3 flywheel assemblies.

⚙️ Key Features

• High-strength flywheel retaining screw

• Ten used in the flywheel assembly

• Maintains flywheel clamp load and concentricity

• Requires the specified torque and tightening pattern

• Replace any screw with stretched, damaged or corroded threads

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20405654 - current Volvo Penta flywheel-screw reference

OEM / Related Numbers:

• 20405649 - SAE 3 flywheel

• 21033328 - starter ring gear

• 20405643 - flywheel expansion plugs

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Volvo Penta D5/D7 flywheel assemblies

Typically suits:

• Engine / equipment models:

• TD520GE

• TAD530GE

• TAD531GE

• TAD532GE

• TD720GE

• TAD730GE

• TAD731GE

• TAD732GE

• TAD733GE

• Engine Type: Volvo Penta four- and six-cylinder industrial diesel

• Year / Serial Range: Flywheel and crankshaft design dependent

🔌 Function

Secures the flywheel to the crankshaft at the specified clamp load.

Common signs of failure:

• Loose flywheel

• Fretting around the crankshaft flange

• Damaged or stretched screw threads

• Unable to achieve specified torque

• Abnormal driveline vibration

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging