Genuine STIHL Screw Plug for FS 261, FS 461, FS 491 & FS 561 – 4148 641 6500

The Genuine STIHL Screw Plug 4148 641 6500 is a precision OEM replacement component designed to provide a secure seal within selected STIHL brushcutters, including the FS 261, FS 461, FS 491 and FS 561. This genuine STIHL part plays a key role in maintaining correct internal pressure and preventing leaks, supporting reliable machine performance during demanding use.

Manufactured to original STIHL specifications, this screw plug offers a perfect fit and dependable sealing performance. It is an essential service component when replacing worn, damaged or missing plugs, helping to restore correct system integrity and ensure smooth operation across professional landscaping and ground maintenance applications.

Key Features

• Genuine STIHL OEM part for assured fit and performance
• OEM part number 4148 641 6500
• Provides a tight, reliable seal within the machine
• Helps prevent leaks and maintain internal pressure
• Durable construction designed to resist vibration and wear
• Supports consistent brushcutter performance
• Direct replacement for worn or damaged original plugs
• Simple to install during routine servicing or repair

Designed for Reliable Sealing Performance

This STIHL screw plug is designed to maintain proper sealing within critical machine components, helping prevent fluid or air leakage that could affect performance. A correctly fitted plug ensures the system operates as intended, supporting consistent engine and component function.

Durable OEM Construction for Long-Term Use

Built to withstand vibration, pressure and regular use, this genuine STIHL component offers long-lasting reliability in demanding environments. Its robust construction ensures dependable sealing performance across professional and domestic brushcutter applications.

Compatibility and Application

The STIHL Screw Plug 4148 641 6500 is used on selected STIHL brushcutters and is typically replaced during servicing or repair when the original plug becomes worn, damaged or no longer provides an effective seal.

Technical Specifications

Compatible Models

Fits STIHL brushcutter models:

FS 261, FS 461, FS 491, FS 561.

Ideal For

• Replacing worn or damaged screw plugs
• Routine servicing and brushcutter maintenance
• Restoring correct sealing and pressure retention
• Preventative maintenance on professional equipment
• Workshop and on-site repairs

Best For

The STIHL Screw Plug 4148 641 6500 is best for users maintaining FS 261, FS 461, FS 491 and FS 561 brushcutters who need a genuine replacement to ensure reliable sealing and consistent machine performance.

Why Choose the STIHL Screw Plug 4148 641 6500?

Choosing a genuine STIHL replacement part ensures correct fit, sealing integrity and long-term durability. This screw plug is a practical OEM solution for maintaining efficient operation and preventing performance issues caused by leaks or pressure loss.

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