Muffler for Stihl FS75 FS76 FS80 FS85 4137 140 0603 4137 140 0602

Product Overview

This muffler is designed specifically for Stihl FS75, FS76, FS80, and FS85 trimmer models, serving as a direct replacement for worn or damaged factory units. It reduces engine noise and directs exhaust away from the operator, ensuring your Stihl trimmer runs quietly and efficiently. Built to OEM specifications, this muffler restores proper backpressure for optimal engine performance.

Key Features & Performance

• Direct replacement for Stihl FS75, FS76, FS80, and FS85 trimmers
• Matches OEM part numbers 4137 140 0603 and 4137 140 0602 for exact fit
• Constructed from durable, corrosion-resistant steel for long life
• Includes necessary mounting hardware for easy installation
• Restores factory noise levels and exhaust flow

Fitment & Compatibility

• Stihl FS75
• Stihl FS76
• Stihl FS80
• Stihl FS85

Common Uses

• Replacing a cracked or rusted muffler on Stihl trimmers
• Reducing engine noise during yard maintenance
• Restoring proper exhaust flow after muffler failure
• Completing a top-end engine rebuild or replacement

Technical Specifications

• Part Number(s): 4137 140 0603, 4137 140 0602
• Compatible Models: FS75, FS76, FS80, FS85
• Material: Steel
• Finish: Painted black

Frequently Asked Questions

Q: Will this muffler fit my Stihl FS90? A: No, this muffler is specifically designed for FS75, FS76, FS80, and FS85 models. Please verify your model number before ordering.

Q: Does the muffler include a gasket? A: This muffler does not include a gasket; we recommend reusing your original gasket or purchasing one separately if needed.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.