Medium
15-30 minutes
This is an authentic Ryobi replacement part, sourced from the original manufacturer for use with trim saws, and circular saws. The special motor assembly is a complete replacement part that includes the pinion gear that drives the output shaft. This motor is available as an individual replacement part.
Motor Assembly 18v-dc 2303328
OEM part for: Ryobi
Part Number: 2303328
$18.19
In Stock
Order within the next 13 hours and your part ships today! 
Compatibility
This part will fit the following 4 machines
Ryobi
R10633 5 1/2" 18V Cordless Circular Saw View Diagrams & Manuals
P501 18V Cordless Trim Saw View Diagrams & Manuals
P500 18V Cordless Trim Saw W/Laser Guide View Diagrams & Manuals
P501G 18 Volt Cordless Circular Saw View Diagrams & Manuals
This item works with the following types of products:
- Circular Saw Parts
- Saw Parts
- Trim Saw Parts
Customer Part Reviews ?
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My saw is working
The part arrived quickly in perfect condition it was the correct fit with no problems.
Guest -
May 11, 2021
Verified Purchase
Great parts supplier
Good shipping time. Easy website to find parts. Have purchased here before, will continue.
Guest -
March 26, 2021
Verified Purchase
very good service....correct part....my saw now works again
the part was in great condition...installed quickly....i will use this web site first
Guest -
July 23, 2020
Verified Purchase
Nothing but EASY
Easy to order - change out - and test. Works like a Champ. Thank you for having the parts needed. I saved your site so that I know where to go to get parts for all my needs.
Thank You
Guest -
May 21, 2020
Verified Purchase
Great Part
Part was well packaged, fast service, part worked perfectly.
Guest -
May 19, 2020
Verified Purchase
Easy repair, great part ,work better than expected
It part was in great condition when it came in. I almost threw my Ryobi saw that I had for 20 years away but once I seen this part I decided to give it a shot great price great fit ...
Guest -
April 28, 2020
Verified Purchase
Great part
Seems more powerful than original
Guest -
March 5, 2020
Verified Purchase
Perfect replacement
This motor is a perfect replacement, easy repair, works like new !
H -
June 11, 2019
Verified Purchase
Correct part,easy to install.
Fast Shipping. part restored tool performance to like new condition.
Guest -
June 4, 2019
Verified Purchase
Ryobi 4.5 in Circular Saw Replacement Motor
Excellent product. Anyone with a T20 Torqx driver, #2 Phillips, and minor electrical skills can replace their motor at a fraction of the cost of replacement. First time for me and it took less than 30 minutes. Saw works like new again.
Guest -
April 20, 2019
Verified Purchase
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Verified Purchase
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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.
Motor burnt up
Harold - June 21, 2023
👍 1 of 1 people found this instruction helpful
Tool Type
Circular Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
, Torx socket (I believe #20)
Parts Used
Split the case. Lifted the motor out. Separate the motor from the gear housing. Cut the wires. Crimped on new female spade terminals. Connected them to the P & N terminals on the new motor. Added a little gear grease to gears. Reversed assembly. Tested.
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Replacing motor
Lester - April 12, 2018
👍 1 of 1 people found this instruction helpful
Tool Type
Circular Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, Torx bits,soldering iron
Parts Used
Removed case
Remove blade and guard
Remove motor
Unsolder wires
Install new motor and solder leads
Reinstall case
Reinstall blade and guard
Remove blade and guard
Remove motor
Unsolder wires
Install new motor and solder leads
Reinstall case
Reinstall blade and guard
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Motor smoked
DALLAS - December 3, 2021
Tool Type
Circular Saw
Difficulty
Easy
Time
1-2 hours
Tools Used
Screwdriver
Parts Used
Replace motor.
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Motor bearing was worn.
Ray - May 14, 2020
Tool Type
Circular Saw
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Soldering iron
Parts Used
1. Disassemble two half’s of saw casing.
2. Using soldering iron, remove wires from electric motor.
3. Remove complete motor and gear casing from saw.
4. Separate gear casing from motor.
5. Inspect gear housing for wear made by old motor and replace if necessary.
6. Using new motor reverse dismantle procedures, re-solder wires and complete assembly.
7. Test.
2. Using soldering iron, remove wires from electric motor.
3. Remove complete motor and gear casing from saw.
4. Separate gear casing from motor.
5. Inspect gear housing for wear made by old motor and replace if necessary.
6. Using new motor reverse dismantle procedures, re-solder wires and complete assembly.
7. Test.
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Burned out motor.
Keith - February 17, 2020
Tool Type
Circular Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver
Parts Used
Removed all screws and removed outer case
Unscrewed all screws securing the old motor
Pull out old motor
Clean any dust and debris aways from the motor sealing
Repack the motor sealing area with a high quality motor grease
Insert new motor
Secure new motor and reverse all steps taken when removing the motor.
Before securing the outer case, consider attaching the battery and performing a quick test of the new motor.
Unscrewed all screws securing the old motor
Pull out old motor
Clean any dust and debris aways from the motor sealing
Repack the motor sealing area with a high quality motor grease
Insert new motor
Secure new motor and reverse all steps taken when removing the motor.
Before securing the outer case, consider attaching the battery and performing a quick test of the new motor.
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Blown motor
Edward - February 5, 2020
Tool Type
Circular Saw
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Soldier gun razor knife
Have a good memory .
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Ryobi circular saw motor burned out
Enrique - December 17, 2019
Tool Type
Circular Saw
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver
Parts Used
Disassembled the circular saw - only tool needed was screwdriver
Ordered motor using saw model number
Reassembled used fresh grease on gears
Works great!
Ordered motor using saw model number
Reassembled used fresh grease on gears
Works great!
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Motor burned out bad bearings
Dewey - November 29, 2019
Tool Type
Circular Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Star bit for blade
Parts Used
Remove blade guard and blade remove Phillips screws remove back, cut wires to motor and replace the motor. Put mail connectors on wires and and connected them to the motor.
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Original motor failed (bearing)
Richard - August 25, 2019
Tool Type
Circular Saw
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver
Parts Used
1. Removed all of the screws.
2. Split the case.
3. Removed the motor.
4. Installed new motor with solder gun to connect the two leads.
5. Greased drive gears.
6. Reassembled.
2. Split the case.
3. Removed the motor.
4. Installed new motor with solder gun to connect the two leads.
5. Greased drive gears.
6. Reassembled.
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Motor overheated
Eric - March 15, 2019
Tool Type
Circular Saw
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Soldering gun
Parts Used
1. De-soldered motor leads.
2. Unmounted motor from gearbox.
3. Mounted new motor to gearbox.
4. Soldered power leads to motor.
5. Re-assembled saw.
2. Unmounted motor from gearbox.
3. Mounted new motor to gearbox.
4. Soldered power leads to motor.
5. Re-assembled saw.
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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.
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