MUFFLER FITS STIHL 064 066 MS650 MS660 REPL OEM 1122 140 0614 11221400614

Muffler for Stihl

This muffler is a replacement exhaust component for Stihl 064, 066, MS650, and MS660 chainsaws, designed to reduce noise and direct exhaust away from the user (OEM cross-reference 1122 140 0614 / 11221400614).

Overview

The muffler for Stihl chainsaws is a direct-fit replacement for models 064, 066, MS650, and MS660, helping to maintain engine performance and reduce operating noise. This part replaces the original muffler assembly and is constructed from heat-resistant materials for long-lasting durability.

Built For Performance

• Direct replacement for Stihl 064, 066, MS650, and MS660 mufflers
• Helps maintain proper exhaust flow and engine efficiency
• Constructed from durable steel for high-temperature operation
• Includes mounting hardware for straightforward installation
• OEM cross-reference numbers 1122 140 0614 and 11221400614

Fits These Machines

• for Stihl 064
• for Stihl 066
• for Stihl MS650
• for Stihl MS660

On-The-Job Use

• Replacing worn or damaged mufflers on professional chainsaws
• Reducing exhaust noise during logging and tree care operations
• Restoring original exhaust routing for safety and performance
• Compatible with both standard and heavy-duty cutting applications

Specs At A Glance

Good To Know

Q: Does this muffler include a spark arrestor? A: This replacement muffler is designed as a direct OEM-style part; check your local regulations regarding spark arrestor requirements.

Q: Will this muffler fit the MS660 with a different cylinder? A: This muffler is intended for standard Stihl 064/066/MS650/MS660 models; confirm exhaust port configuration before ordering.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.