Easy
15-30 minutes
The key attaches to the pulley shaft and is made of metal. Keep in mind this high-quality part is sold individually. This is an OEM Porter Cable and Black & Decker part directly sourced from the manufacturer for use in drills, saws, and sanders. If this part becomes broken it will need to be replaced and may require a set of pliers and a wrench during the installation.
Key 878563
OEM part for: Porter Cable
Part Number: 878563
$3.99
In Stock
Ships within 1 business day 
Compatibility
This Key will fit the following 163 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Porter Cable
Show More Compatible ModelsThis item works with the following types of products:
- Drill Parts
- Electric Drill Parts
This part replaces obsolete part #: 804424
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
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We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for Key
part number878563 does this also fit the 362type 11
dan
for model number 362 type 11
asked on 2022-12-01
Hi Dan,
Thank you for your question. Yes, this would be the correct key for your belt sander. If you need help placing an order for it, customer service is open 7 days a week and anyone will be happy to assist you. Please feel free to give us a call. We look forward to hearing from you!
eReplacementParts Team December 01, 2022
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.
Power wheel not spinning - missing key
James - June 5, 2023
Tool Type
Sander
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set, File
Parts Used
removed spindle
filed down key to fit properly (key was just a fraction too thick)
replaced spindle lining up with key (Multiple tries)
tightened nut and washer to hold spindle in place
filed down key to fit properly (key was just a fraction too thick)
replaced spindle lining up with key (Multiple tries)
tightened nut and washer to hold spindle in place
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The pulley was worn out on my Sander
Sonia - June 17, 2022
Tool Type
Sander
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Power Drill, Socket set, Allen wrench
Parts Used
When I started I broke the bolt. I forgot it was reverse thread. That’s why I needed a new shaft a new pulley and a new key.
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Key missing from drive whell
sterling - August 12, 2020
Tool Type
Sander
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Pliers, Wrench Set
Parts Used
Remove nut holding wheel pulled wheel off installed her in slot on drive shaft reinstalled wheel replaced but and tightened.
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Thanks for voting and helping fellow customers!
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
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.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
