Miter Saw Parts

Common Miter Saw Parts and Symptoms

Miter saws are workhorse tools that take a beating on job sites and in home workshops. When yours stops cutting clean or won't start, the fix is usually straightforward — and Repair Clinic stocks genuine OEM replacement parts for every major brand. Whether your, Makita, or miter saw is acting up, we've got the exact parts you need to get back to cutting.

The most common repairs involve the blade (dull or damaged), the switch assembly (won't power on), or the motor brushes (loss of power). Blade guards and fence parts also wear from daily use. Use the parts list below to identify what's failing, then enter your model number to find the exact replacement.

• Blade won't cut clean or binds: Blade is dull or damaged; replace the saw blade for straight, smooth cuts again
• Saw won't power on: Switch assembly failure or electrical issue; verify cord is good, then test the trigger switch for continuity
• Motor runs but no cutting power: Carbon brushes worn out; brushes transfer current to the motor — when they wear flat, the motor spins but has no torque
• Blade guard stuck or won't retract: Guard spring weakened or pivot pin bent; guard assembly replacement restores safety function
• Loose or misaligned fence: Fence parts bent or worn; fence brackets and adjustment bolts take constant pressure from pushing material

Miter Saw Repair FAQ

What causes a miter saw blade to bind or cut poorly?

A dull or damaged blade is the #1 reason. Miter saws work hard — they're cutting dozens of times a day, and debris buildup dulls the teeth fast. If the blade looks visibly chipped or burned, or if you're seeing splintering instead of clean cuts, a new blade will transform the tool. Blade binding can also happen if the fence is misaligned or if the blade guard isn't retracting fully — both are separate issues to troubleshoot.

How do I find my miter saw model number?

The model number is almost always on a label on the back or underside of the motor housing. Look for a white or silver label with the brand name (, Makita, etc.) and a model number starting with letters and numbers (like DWS780 or MS305). Take a photo of the label and use it in the Repair Clinic model search — it'll pull up all the parts specific to your exact saw, including blade size, motor specs, and rare parts.

What's the difference between carbon brushes and other motor parts?

Carbon brushes are soft, flat parts inside the motor that conduct electricity and create friction to spin the armature. Over time they wear down to nubs — when that happens, the motor spins freely but produces almost no cutting force. Replacing brushes is a moderate DIY job and costs a fraction of a new motor. If your saw runs but feels weak, brushes are the first thing to check after confirming the blade isn't the problem.

Can I replace the miter saw blade myself?

Yes — it's one of the easiest and most valuable miter saw repairs. Most saws have a spindle lock (or arbor lock) that holds the blade shaft still while you loosen the arbor nut. Always verify the blade size (7.25", 10", 12", etc.) and tooth count for your model before ordering. A blade costs $20 to $60 and makes an enormous difference in cut quality and speed.

Enter Your Model Number to Match Miter Saw Parts

Check the back or underside of your miter saw's motor housing for a model number label. Depending on the brand, you may also find it near the handle or on the saw's base. Look for a combination of letters and numbers, and copy it exactly, including any dashes or type codes. Drop it into the search bar and you will see only the parts that fit your exact model, from blades and brushes to switches, guards, and other assemblies. Using the complete model number narrows the full miter saw catalog to your specific tool, so you can compare compatible parts without guessing. It is the quickest way to be sure the part fits before you order.