3M 7000118704 Valve Seat for Orbital Sanders

Product Description

The 3M 7000118704 is a plastic valve seat ring used in pneumatic sanding tools. It provides the seating surface that the air valve contacts to stop airflow to the motor when the tool is not in use. This component is a direct internal part of the air control assembly found inside random orbital and orbital sanders. Installation and replacement are typically handled by tool repair technicians or experienced trade professionals performing routine maintenance on pneumatic abrasive tools.

This valve seat is designed for use in random orbital sanders and orbital sanders across the applicable 3M pneumatic tool lineup. It is a common wear or damage replacement part during air valve service. When the valve seat degrades or cracks, the tool may fail to stop airflow correctly, leading to unintended motor operation or air leakage.

Key Features

• Plastic construction provides a precise seating surface for the air valve
• Controls airflow to the motor by providing a stop point for the air valve
• Direct OEM-style replacement for the internal air control assembly
• Sold individually for single-unit repair jobs

Compatibility

Designed for use on 3M Random Orbital Sanders and Orbital Sanders as stated by the manufacturer. Consult the tool service manual or 3M parts documentation to confirm fitment for a specific model before ordering.

Installation Notes

Replacement of this valve seat requires disassembly of the pneumatic tool air valve assembly. Disconnect the air supply line and depressurize the tool completely before beginning any internal service work. Use appropriate hand tools and refer to the manufacturer service documentation for disassembly sequence. This work is best performed by a qualified tool repair technician familiar with pneumatic tool internals.

Technical Specifications

• Material: Plastic
• Unit of Measure: Each
• Minimum Order Quantity: 1
• UPC: 50051115280981

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000118704