Product Description
**Milwaukee parts change not only by model# but also by serial number. To look up your tools parts break down on Milwaukee's website please click here:
Milwaukee Electronics Assembly
Model Number: 14-20-0333
The Milwaukee 14-20-0333 is a genuine OEM Electronics Assembly for use in a compatible Milwaukee tool. The electronics assembly is the motor control unit of the tool: it is the printed circuit board and its components that manage and control the motor, and it is the tool's electronic brain. It provides the motor management functions that a modern cordless tool depends on, including speed regulation that holds consistent speed under varying load, overload protection that guards the tool against damaging current, thermal protection that shuts the tool down before it overheats, the soft-start ramp that prevents a torque spike on startup, and the electronic switching that controls motor speed and direction across the tool's operating range. Because it carries and manages the tool's electrical power and is a complex electronic component, a failed electronics assembly shows up as loss of speed control, erratic motor behavior, thermal shutdown, intermittent operation, or a tool that will not start. Replacing it with the correct genuine Milwaukee OEM electronics assembly restores full electronic motor control and tool performance.
Because Milwaukee Tool specifies replacement parts by both catalog number and serial number, and because electronic assemblies are specifically programmed and configured for each tool model's motor, load characteristics, and operating envelope, it is critical to verify your tool's serial number against the official Milwaukee service parts diagram before ordering to confirm this is the correct assembly for your exact tool. Using the correct genuine Milwaukee OEM electronics assembly ensures the correct circuit design, component specification, and firmware programming for the tool, and substituting an incorrect or non-OEM assembly can damage the motor or prevent the tool from operating correctly within its design parameters. Because this is an electronic assembly, replacing it involves opening the tool and working with the internal wiring; note or photograph the wiring connections and routing before removing the old assembly, seat the board correctly in the housing, and route and connect the new assembly exactly as original. Service should be performed by someone competent to work on power tool electronics, following the tool's service procedure. The motor, switch, battery terminal, and housing that connect to the electronics assembly are separate parts, so refer to your tool's parts diagram for the correct companion part numbers.
Features
- Genuine Milwaukee OEM service part, not an aftermarket substitute
- Electronics Assembly, the motor control unit of the tool
- The PCB and components that manage and control the motor
- Provides speed regulation under varying load
- Delivers overload and thermal protection
- Implements the soft-start ramp that prevents startup torque spike
- Controls electronic motor speed and direction
- Restores full electronic motor control when the assembly fails
- Corrects loss of speed control, erratic behavior, thermal shutdown, or no start
- Programmed and configured for a specific tool model, so verify by serial number
- An incorrect assembly can damage the motor, so match it exactly
- Electronic assembly, service by a competent servicer
Specifications
- Manufacturer: Milwaukee Tool
- Part Number: 14-20-0333
- Official Description: Electronics Assembly
- Component Type: Motor control electronics (PCB) assembly
- Function: Motor speed regulation, overload and thermal protection, soft start, and switching
- Primary Fitment: Verify by catalog and serial number on the parts diagram
- Also Referenced On: Verify additional applications using Milwaukee's online parts lookup
- Parts Diagram Position: Verify the figure and bulletin number on Milwaukee's online parts lookup
- Quantity: Sold individually, (1) required per tool
- Part Type: Genuine Milwaukee OEM Replacement Part
Includes
- (1) Milwaukee 14-20-0333 Electronics Assembly
The motor, switch, battery terminal, housing, and other components that connect to the electronics assembly are NOT included, vary by tool, and are sold separately - refer to your tool's parts diagram for the correct part numbers and quantities. Always verify by serial number using Milwaukee's online parts lookup before ordering.