21341572 Adjusting Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta precision adjusting screw used to set the position, clearance or preload of a specified engine or auxiliary component. It is not a general-purpose bolt: thread pitch, tip profile, effective length and locking arrangement must match the illustrated Volvo Penta assembly.

⚙️ Key Features

• Genuine Volvo Penta adjustment screw
• Precision thread and contact-tip geometry
• Used to set a defined clearance, stop or preload
• Requires the specified measurement and locking procedure
• Match the exact schematic position and engine serial number
• Engine type: Volvo Penta marine or industrial engine installation

🔌 Function

Provides controlled threaded adjustment of the assigned component before being locked at the specified setting.

⚠️ Common Signs of Failure

• The setting the screw controls drifting away from specification in service
• Uneven running, noise or a stop that no longer holds where it was set
• Locknut or locking arrangement found slack on inspection
• Contact tip found worn, mushroomed or pitted
• Thread damaged or picked up so the screw no longer turns smoothly

🛠️ Service Notes

• Measure and reset to the specified figure, then lock - the screw is not a general-purpose bolt and cannot be set by feel
• Supersedes 3580392

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 21341572 → Supersedes 3580392

OEM / Related Numbers

• 3580392 earlier number superseded by this part

📦 Condition

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