20511889 Screw | Genuine Volvo Penta Part

🔧 Product Description

This genuine Volvo Penta screw is an OEM service component used in the Engine-Control Linkage Screw. It is manufactured to the original Volvo Penta dimensional, material and interface requirements for the documented Volvo Penta 4-litre TAD4 industrial diesel application. Technical identification: Retaining screw in the mechanical engine-control linkage. In service, it provides the specified clamp load and mechanical retention for the associated assembly. Selection must be confirmed by OEM part number 20511889, the exact model/product number, serial number and installed assembly configuration.

🚤 Compatibility

Typically suits:

• Volvo Penta TD420VE
• Volvo Penta TAD620VE
• Volvo Penta TAD720VE
• Volvo Penta TAD721VE
• Volvo Penta TAD420VE
• Volvo Penta TAD520VE

• Engine Family: TD, TAD

⚙️ Key Features

• OEM part number 20511889
• Technical distinction: Retaining screw in the mechanical engine-control linkage
• 3 used per assembly

🔌 Function

Retains a joint in the mechanical engine control linkage, holding the pivot or bracket in position so lever movement translates accurately into fuel demand.

⚠️ Common Signs of Failure

• Slack or lost motion at the throttle lever
• Engine speed not returning cleanly to idle
• Screw found loose or missing at the linkage
• Worn shank or an elongated hole in the linkage at strip-down

🛠️ Service Notes

• Check the linkage bushings and clevis pins for wear at the same time, as slack there mimics a loose screw

📦 Condition

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