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The 3M 7000119105 is a replacement O-ring designed for use with 3M pneumatic power tools, including disc sanders, die grinders, and cut-off wheel tools. O-rings in these tools create the fluid or air seals required to maintain proper internal pressure and prevent leakage across moving components. This part is sold as a single unit and is intended to be installed by a qualified technician following the tool manufacturer's service procedures. Referencing the appropriate owner's manual and parts schematic before beginning any disassembly is strongly recommended.
This O-ring is a direct replacement component for 3M disc sanders, die grinders, and cut-off wheel tools that require periodic seal maintenance. It is typically used in professional shop environments, production floors, and field service settings where pneumatic tool performance depends on intact, undamaged seals. Consult the specific tool's parts list to confirm this O-ring is the correct replacement for the position being serviced.
Designed as a replacement O-ring for 3M disc sanders, die grinders, and cut-off wheel tools. Consult the owner's manual parts list and tool schematic to verify this part number corresponds to the correct O-ring position for the specific tool being serviced.
Disconnect the air supply and fully depressurize the tool before beginning any disassembly or seal replacement. A qualified tool repair technician should perform this service using the applicable 3M owner's manual and parts schematic as a guide. Avoid stretching or twisting the O-ring during installation to prevent premature seal failure. Inspect mating surfaces for scoring or debris before seating the new O-ring.
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