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The 3M 7000119113 is a replacement muffler designed for use with pneumatic 3M power tools. Mufflers on air-powered grinders and sanders reduce exhaust noise at the tool's air outlet, helping maintain a more controlled shop environment during extended use. This part is sold individually and is intended as a direct OEM-style replacement to restore proper exhaust function when the original muffler becomes worn, clogged, or damaged. Installation follows the parts list and schematic found in the applicable tool's owner manual.
This muffler is applicable to a range of 3M pneumatic tools including disc sanders, die grinders, and cut-off wheel tools. It is typically serviced by tool repair technicians or experienced trade professionals performing preventive maintenance or restoring a tool to factory operating condition. Refer to the owner manual parts list to confirm fitment with the specific tool model before ordering.
Designed as a replacement muffler for compatible 3M disc sanders, die grinders, and cut-off wheel tools. Consult the owner manual parts list for the specific tool to verify this part number applies before installation.
This part should be installed by a qualified tool repair technician familiar with pneumatic tool service procedures. Disconnect the tool from the air supply line and depressurize before disassembly. Consult the tool's owner manual for the correct parts schematic and torque or assembly sequence specific to the tool model. Do not operate a pneumatic tool with a missing or damaged muffler.
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