DEWALT Band Saw Parts Guide: A Compatibility Guide for Repairs and Restoration
You own a DEWALT band saw and you need to find replacement parts. DEWALT makes several band saw models, and parts are not always interchangeable between models. You need to know the model number, what parts are commonly needed, and where to find them. You need a guide that covers the DEWALT band saw parts landscape.
DEWALT makes portable cordless, portable corded, and benchtop band saws. Each model has specific parts, and some parts are shared across models. This guide covers the common wear parts, compatibility, and where to find them.
Model Identification
Portable Cordless Models
| Model | Type | Blade Length |
|---|---|---|
| DCS374B | 20V MAX cordless deep cut | 44-7/8 inches |
| DCS378B | 20V MAX cordless compact | 35-3/8 inches |
| DCS371B | 20V MAX cordless compact (older) | 35-3/8 inches |
Portable Corded Models
| Model | Type | Blade Length |
|---|---|---|
| DWM120 | Corded deep cut | 44-7/8 inches |
| DWM120K | Corded deep cut (kit) | 44-7/8 inches |
Benchtop Models
| Model | Type | Blade Length |
|---|---|---|
| DW876 | Benchtop woodworking | 75-1/2 inches (verify) |
How to Identify Your DEWALT Saw
- Find the model number on the nameplate on the saw body.
- If the nameplate is missing, measure the blade length.
- Check the battery platform (20V MAX for cordless models).
- Look up the model number on the DEWALT website or eReplacementParts.
Common Wear Parts
1. Blades
The most frequently replaced part. Blades wear out from normal use.
Compatibility:
- 44-7/8 inch blades fit DCS374B and DWM120
- 35-3/8 inch blades fit DCS378B and DCS371B
- Blades from Milwaukee, Makita, LENOX, and other manufacturers with the same length are interchangeable
Where to find: DEWALT, Milwaukee, LENOX, MK Morse, Starrett, and online retailers.
2. Blade Guides
The blade guides wear from contact with the blade. Both the side guides and thrust bearing can wear.
Symptoms of wear: Blade wandering, poor cut quality, blade breakage.
Compatibility: Guides are model-specific. Check the model number before ordering.
Where to find: DEWALT Factory Service, eReplacementParts, and aftermarket suppliers.
3. Switches
The trigger switch can fail after years of use.
Symptoms: Intermittent operation, saw not starting, switch feels loose.
Compatibility: Switches are model-specific. Check the model number and part number.
Where to find: DEWALT Factory Service and eReplacementParts.
4. Motor Brushes (Brushed Motors)
For models with brushed motors, the carbon brushes wear over time.
Symptoms: Reduced power, sparking, intermittent operation.
Compatibility: Brushes are model-specific. Check the motor type and part number.
Where to find: DEWALT Factory Service and eReplacementParts.
Note: Brushless models (like the DCS374B) do not have replaceable brushes.
5. Bearings
The wheel bearings and motor bearings can wear over time.
Symptoms: Grinding noise, vibration, rough running.
Compatibility: Bearings are model-specific. Read the bearing number on the old bearing for the correct replacement.
Where to find: DEWALT Factory Service, eReplacementParts, and industrial bearing suppliers.
6. Cords and Batteries
Power cords (corded models): Can crack or fray. Replace with a cord of the same gauge and length.
Batteries (cordless models): Batteries lose capacity over time. Replace with genuine DEWALT 20V MAX batteries.
Where to find: DEWALT, authorized dealers, and online retailers.
7. Shoes and Blade Guards
The shoe can wear from contact with the workpiece. The blade guard can crack.
Compatibility: Model-specific. Check the model number.
Where to find: DEWALT Factory Service and eReplacementParts.
Parts Compatibility Chart
| Part | DCS374B | DCS378B | DWM120 |
|---|---|---|---|
| Blade | 44-7/8 inch | 35-3/8 inch | 44-7/8 inch |
| Blade guides | Model-specific | Model-specific | Model-specific |
| Switch | Model-specific | Model-specific | Model-specific |
| Motor brushes | N/A (brushless) | Model-specific | Model-specific |
| Bearings | Model-specific | Model-specific | Model-specific |
| Shoe | Model-specific | Model-specific | Model-specific |
Key: Blades are interchangeable between models that use the same length. Other parts are model-specific.
Where to Find Parts
DEWALT Factory Service
DEWALT operates factory service centers across the country. Contact them with the model number for OEM parts and repairs.
eReplacementParts
eReplacementParts carries a wide selection of DEWALT parts. Search by model number for parts diagrams and ordering.
Online Retailers
Amazon, Home Depot, and other retailers carry some DEWALT parts and accessories.
Aftermarket Suppliers
For blades, bearings, and other generic parts, aftermarket suppliers may offer alternatives at lower cost.
Used Parts
eBay can be a source for parts for older or discontinued DEWALT models.
Repair Tips
Before You Start
- Disconnect power. Remove the battery or unplug the cord before working on the saw.
- Take photos. Photograph the saw before disassembly so you can see how parts go back together.
- Keep track of hardware. Use a parts tray or magnetic mat to keep screws and small parts organized.
- Use the right tools. Use the correct screwdrivers, wrenches, and pliers. The wrong tool can damage fasteners.
Blade Guide Replacement
- Remove the blade guard.
- Remove the old guide bearings or blocks.
- Install the new guides.
- Adjust the guides to the correct clearance (about 1/32 inch from the blade sides, 1/64 inch for the thrust bearing).
- Reinstall the blade guard.
Switch Replacement
- Open the handle to access the switch.
- Note the wire connections before disconnecting.
- Disconnect the wires from the old switch.
- Connect the wires to the new switch.
- Install the new switch in the handle.
- Close the handle.
Bearing Replacement
- Remove the wheel covers.
- Remove the wheel with the worn bearing.
- Press or pull the old bearing off the shaft.
- Press the new bearing onto the shaft.
- Reinstall the wheel.
- Reinstall the wheel covers.
FAQ
Where can I find parts for my DEWALT band saw?
DEWALT Factory Service, eReplacementParts, and online retailers. Search by model number for parts diagrams and ordering. For blades, aftermarket suppliers like LENOX and MK Morse also make compatible blades.
Are DEWALT band saw parts interchangeable between models?
Blades are interchangeable between models that use the same length (44-7/8 or 35-3/8 inches). Other parts like switches, guides, and bearings are model-specific.
How do I identify my DEWALT band saw model?
Find the model number on the nameplate on the saw body. If the nameplate is missing, measure the blade length to determine the model type.
Can I use aftermarket parts on my DEWALT band saw?
Yes, for blades, bearings, and other generic parts. For model-specific parts like switches and guides, use OEM parts to ensure proper fit.
What are the most common parts that need replacement on a DEWALT band saw?
Blades, blade guides, switches, motor brushes (for brushed models), and bearings. Blades are the most frequently replaced part.
References
- DEWALT. “Band Saw Parts and Service.” DEWALT Industrial Tool Company.
- eReplacementParts. “DEWALT Band Saw Parts Diagrams.” eReplacementParts.com.
- DEWALT. “Owner’s Manuals for DEWALT Band Saws.” DEWALT Industrial Tool Company.
- LENOX Tools. “Portable Band Saw Blade Guide.” LENOX Industrial Division.
- Pro Tool Reviews. “DEWALT Band Saw Maintenance.” ProToolReviews.com.
