3M 7000118721 Internal Muffler Orbital Sander

Product Description

The 3M 7000118721 is an internal muffler designed to filter exhaust air and regulate exhaust airflow in pneumatic random orbital sanders. The component features a brass insert that handles both filtration and flow control in a single unit. At 0.1 pounds, it is a lightweight, direct-fit service part intended to restore proper exhaust function during tool maintenance. Installation is straightforward and is typically performed by tool repair technicians or trade professionals servicing pneumatic abrasive tools on the job or in a shop setting.

This muffler is a standard internal component found on 3M random orbital sanders. It is used in applications where controlled exhaust airflow and noise reduction are required during sanding operations. Typical service scenarios include routine preventive maintenance or replacement after wear-related performance decline in pneumatic sanding tools used in automotive, woodworking, metal fabrication, and general construction environments.

Key Features

• Brass insert construction for durable exhaust air filtration
• Controls exhaust airflow to maintain consistent tool performance
• Standard OEM-style replacement component for random orbital sanders
• Lightweight at 0.1 pounds for easy handling during service
• Sold individually as a single service part

Compatibility

Designed as an OEM-style replacement internal muffler for 3M random orbital sanders. Refer to the tool service manual or 3M parts documentation to confirm fitment for a specific sander model before installation.

Installation Notes

Installation should be performed by a qualified tool technician familiar with pneumatic tool service procedures. Disconnect the air supply and depressurize the tool completely before disassembly. Follow the tool manufacturer's service manual for proper muffler removal and installation sequence to avoid damaging internal components.

Technical Specifications

• Weight: 0.1 pounds
• Material: Brass insert
• Unit of Measure: Each
• Minimum Order Quantity: 1
• UPC: 50051115281216

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000118721