48R619 - Walter Speed Control Dial for Line-Mate III and Big Buff III

Restore Precision Control to Your Walter Finishing Tools

The Walter 48R619 Potentiometer is an essential replacement component designed specifically for Walter Surface Technologies' high-performance variable speed tools. If your Line-Mate III or Big Buff III is experiencing erratic speed fluctuations, is stuck at a single RPM, or fails to adjust to the dial setting, a faulty potentiometer is often the culprit. This genuine OEM part restores the full functionality of your equipment, allowing you to dial in the exact speed required for sensitive finishing tasks.

Surface finishing requires adaptability. Whether you are graining stainless steel, polishing aluminum, or removing weld discoloration, the ability to control the RPM is what makes the Line-Mate III and Big Buff III so versatile. This potentiometer regulates the voltage sent to the motor, translating your manual dial selection into consistent rotational speed. By replacing a worn or damaged unit with the 48R619, you ensure that your tool performs exactly as the manufacturer intended, maintaining the high torque and consistent speed necessary for uniform abrasive patterns.

Installing genuine Walter parts is crucial for the longevity of your power tools. Generic electrical components may not handle the specific current loads or fit the housing correctly, leading to premature failure or safety hazards. The 48R619 is built to Walter's rigorous standards, ensuring durability even in dusty, industrial environments where metal finishing takes place. Get your production line back up to speed and ensure your finishing quality remains top-tier with this direct replacement part.

Key Benefits

• Exact Fit: Designed specifically for the housing and wiring harness of Walter 30-A series tools.


• Restored Versatility: Regain the ability to switch between high-speed removal and low-speed polishing.


• OEM Quality: Manufactured to meet the original electrical specifications for safe operation.