3M 7100075371 Random Orbital Sander Muffler Kit

Product Description

The 3M 7100075371 is a replacement muffler kit designed for 3M Random Orbital Sanders in 3-inch, 5-inch, and 6-inch configurations. The kit addresses exhaust noise and airflow management within the sander body, making it a necessary service component when a sander exhibits increased exhaust noise or reduced air efficiency. Each kit includes one PNA0062 internal muffler, one PNA0068 muffler insert, and one PNA0166 muffler housing, providing all three components needed for a complete muffler assembly replacement in a single purchase. This kit is installed by tool repair technicians and experienced trades professionals performing preventive or corrective maintenance on pneumatic sanding equipment.

This muffler kit is intended for use with 3M Random Orbital Sanders in the 3-inch, 5-inch, and 6-inch size ranges. It is suited for both shop and field maintenance scenarios where sander performance has degraded due to worn or damaged muffler components. Trades that rely on random orbital sanders for surface prep work — including auto body, metalworking, and finishing applications — will use this kit to restore factory exhaust characteristics and extend tool service life.

Key Features

• Complete three-piece muffler assembly kit — internal muffler, muffler insert, and muffler housing included
• Compatible with 3-inch, 5-inch, and 6-inch 3M Random Orbital Sanders
• OEM-style replacement components restore factory exhaust noise and airflow performance
• Sold as a kit (quantity of 1 kit) for straightforward single-order service restocking

Compatibility

Designed for use with 3M Random Orbital Sanders in 3-inch, 5-inch, and 6-inch sizes, as specified by the manufacturer. Includes component part numbers PNA0062, PNA0068, and PNA0166.

Installation Notes

Installation should be performed by a qualified tool repair technician familiar with pneumatic tool service procedures. Disconnect the air supply completely before disassembling the sander body. Follow the tool manufacturer's service documentation for correct component sequencing and housing reassembly. Do not operate the sander without all muffler components fully seated to avoid uncontrolled exhaust flow or noise.

Technical Specifications

• Kit Contents: 1x PNA0062 internal muffler, 1x PNA0068 muffler insert, 1x PNA0166 muffler housing
• Compatible Sander Sizes: 3 inches, 5 inches, 6 inches
• Unit of Measure: Kit
• UPC: 00051141283944

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100075371