Medium
30-60 minutes
This replacement carbon brush is an authentic OEM supplied component which is specially designed for use with Porter Cable hammer drills. Carbon brushes are a commonly replaced item on power tools, through friction and use they will gradually wear away eventually requiring replacement. It is advised to replace both brushes at the same time. This high-quality item is made of durable carbon material and it is sold individually, please not the brush holder and other components are all sold separately.
Brush 637916-04
OEM part for: Porter Cable
Part Number: 637916-04
$3.99
In Stock
Ships within 1 business day 
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Frequently Purchased Together ?
Compatibility
This part will fit the following 2 machines
Porter Cable
PC650HD Type 1 1/2 in. Hammer Drill View Diagrams & Manuals
PC650HD Type 2 1/2 in. Hammer Drill View Diagrams & Manuals
This item works with the following types of products:
- Drill Parts
- Hammer Drill Parts
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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.
brush ring melted
Ted - February 8, 2020
Tool Type
Drill
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, soldering iron
Parts Used
Hardest thing about the repair was that the wires to the brush ring assembly were soldered on so you need to know how to do some simple soldering. Other then that it was a breeze to replace the brushes and the assembly.
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The brush plate melted drilling a 1" hole through a brick facade.
Lance - January 4, 2017
Tool Type
Hammer Drill
Difficulty
Medium
Time
15-30 minutes
Tools Used
Nutdriver, Soldering iron
1. Disassembled the drill with Torx nut drivers. Slowly separate the housing halves and beware the round spring on the direction switch, it will jump out and try to hide from you.
2. Removed the broken speed selector knob and replaced it with the new part.
3. Removed the brush plate and brushes.
4. Unsoldered one of the connections because solder had melted into the spade connector.
5. Installed the new brush plate.
6. Installed the armature and coil assembly.
7. Installed new brushes.
8. Assembled unit with Torx nut drivers paying close attention to wire routing, and carefully inserting the round spring for the direction switch.
2. Removed the broken speed selector knob and replaced it with the new part.
3. Removed the brush plate and brushes.
4. Unsoldered one of the connections because solder had melted into the spade connector.
5. Installed the new brush plate.
6. Installed the armature and coil assembly.
7. Installed new brushes.
8. Assembled unit with Torx nut drivers paying close attention to wire routing, and carefully inserting the round spring for the direction switch.
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Hammer Drill had the brushes and switch fail.
Brian - December 29, 2015
Tool Type
Hammer Drill
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Pliers
Parts Used
Remove screws from housing assembly and remove one side, note how the coil spring is placed in the housing. Remove one wire at a time from the old switch and place it in the same place in the new switch. Remove worn brushes by pulling back brush retaining spring out of brush holder and placing it on the brush holder terminal. Remove worn brushes and install the new ones. Replace the spring. Put housing back together. Done.
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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.
