Easy
Less than 15 minutes
This durable plastic knob is an OEM part direct from DeWalt. The knob is used to secure the depth guide to the desired level in the oscillating multi-tool kits listed below. No tools are required to replace this part. Simply remove the old part by unscrewing counter-clockwise, insert the new knob and turn clockwise to screw in place. One item is included per order.
Knob N278801
OEM part for: DeWALT
Part Number: N278801
$4.99
In Stock
Ships within 1 business day 
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Compatibility
This Knob will fit the following 10 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 10 of 10 matching models.
DeWALT
10 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- DeWALT
This item works with the following types of products:
- Oscillating Tool
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
I needed to replace my DeWalt depth guide for my oscillating tool
Kent - June 18, 2016
Tool Type
Sander
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set
I inserted the guide arm into the slots on the left and right sides of the guide block, then adjusted the length of the guide by pulling out or pushing inward to achieve the desired length. Secure the guide in place by turning the depth cut adjustment knob clockwise.To release the guide, turn the depth cut knob counterclockwise.
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
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