Description
Overview:
Pin 4 (Makita 256437-1) is a genuine Makita steel locating pin used within the assembly of selected Makita power tools. It helps position and secure mating components so the mechanism runs true, supporting smooth rotation and consistent performance under load. Built to Makita's original specifications, it fits precisely in the intended bores without play, helping to reduce wear on adjacent parts. This replacement pin is suitable for tradespeople and DIY users who need a dependable OEM solution to restore function after wear, loss, or damage. It is designed for use in selected Makita angle grinders such as the 9520NB and 9521NB, as well as other compatible Makita machines listed below. As a Genuine Part, it matches the original in size, finish, and fit.
Key Features:
- Genuine Makita part 256437-1 for assured compatibility and correct fit
- Steel construction for dependable strength and long service life
- Maintains accurate alignment of assemblies to support smooth operation
- Built to OEM tolerances to minimise vibration and premature wear
- Direct replacement for the original pin; no modification required
- Suitable for workshop or on-site maintenance with basic hand tools
- Helps protect gears, bearings, and housings by keeping parts correctly located
- Reliable choice for preventative maintenance or repairs after heavy use
Typical Applications:
Used during routine servicing and repairs of compatible Makita tools when the original pin is worn, bent, missing, or damaged. Common in gearbox, motor housing, or accessory-mount alignment tasks on angle grinders and compact routers. Helps restore stable running, reduce chatter, and maintain tool accuracy after impact, prolonged site work, or rebuilds.
Also known as:
Machine pin, repair pin, dowel pin, locating dowel, retaining pin, assembly pin, grinder service pin, spindle housing pin. These terms are often used for small cylindrical pins that align or secure components within power tool assemblies.
Fits Models:
9520NB, 9521NB, 9522NB, 9523NB, 9524NB, 9526PB, 9527NB, 9527PB, 9528NB, 9528PB, DRT50RMJX2, DRT50ZJ, DRT50ZJX3, DRT50ZX4
Alternate Part Numbers:
2564371
Product Specifications
| L&S Part No. | 256437-1 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Makita |
| OEM No. | 256437-1 |
| Unit of Sale | 1 |
| Applications | 9520NB, 9521NB, 9522NB, 9523NB, 9524NB, 9526PB, 9527NB, 9527PB, 9528NB, 9528PB, DRT50RMJX2, DRT50ZJ, DRT50ZJX3, DRT50ZX4 |
| Machine Type | Angle Grinder |
| Fits Brands | Makita |
| Fits Models | 9520NB | 9521NB | 9522NB | 9523NB | 9524NB | 9526PB | 9527NB | 9527PB | 9528NB | 9528PB | DRT50ZJ | DRT50ZJX3 | DRT50RMJX2 | DRT50ZX4 |
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