BGA452F (Type 3) Makita Grinder - Parts

This is a Push-Button type switch that has 4 terminals, 2 internal and 2 external. This genuine Makita replacement part is sold individually. rnrnSwitches are commonly replaced parts in tools. A switch handles on/off and variable speed operations. They also have a role in electric breaking; they can momentarily reverse electrical polarit...Read morey. Because switches use mechanical internals, they will degrade and wear out over time, eventually needing replacement. Some common signs of a broken or failing switch are as follows: • The tool has completely stopped functioning - it will not start. • The tool operates intermittently, requiring multiple tries to turn on, until eventually it won't start at all. • The variable speed function and electric braking aren't working properly.

This switch knob controls the on/off function of the tool, allowing you to start, stop, and lock the tool in operation for continuous use. Made from durable plastic, it is designed to withstand regular wear while maintaining smooth, reliable engagement with the internal switch mechanism. Replacing a worn, cracked, or sticking knob helps restore proper control and ensures consistent, safe operation of your power tool.

This Ball Bearing is shielded on both sides. It is a genuine Makita replacement part and is sold individually. • Ball bearings are used to reduce friction between rotating parts. The balls or rollers take the load and spin, distributing the weight evenly while the minimal contact area of the ball reduces friction. This reduces wear on ...Read morethe tool and allows it to run smoothly. • Bearings experience constant wear when the tool is in operation from pressure, heat, vibration and friction. Because of this, many Bearings need periodic maintenance or replacement.

Genuine Makita replacement part, this item is sold individually. The Pin Cap is part of the spindle lock assembly for the Makita Tool model numbers shown below. When it is pressed it will stop the spindle from rotating, so that a grinding wheel or blade can be removed or installed.

This manufacturer sourced replacement pin is made out rubber and it is sold individually. It acts as a cushion/spacer in a variety of Makita power tools. This is a standard piece of hardware and it has multiple applications based on your tool. Please refer to diagrams for correct application.

This is a genuine Makita replacement part that has been sourced from the original manufacturer to be used with angle grinders and die grinders. The o-ring is commonly used to seat and support the drive gear bearing assembly. This item is sold as an individual replacement part.

This is an authentic manufacturer-sourced replacement part which is specially designed for use with Makita grinders. It helps to provide an air-tight seal for the bearing box, over time it may wear out and begin to crack eventually requiring a replacement. It is made of high-quality rubber and is sold individually.

This O-ring creates a tight seal within the spindle lock assembly, helping prevent oil leaks while keeping dust and debris out of the gearbox. Made from durable rubber and measuring approximately 0.25 × 0.25 × 0.25 inches, it supports reliable protection and long-lasting performance. Replacing a worn or damaged O-ring helps maintain proper sealing, protect internal components, and ensure smooth tool operation.