Easy
15-30 minutes
This is a genuine manufacturer-sourced part which is made for Makita belt sanders. It is an identical replacement for a missing or a damaged driving roller that was installed on a new unit. The part supports and drives the sanding belt. Note, the tension roller is sold separately. Refer to the appropriate diagrams of your model for the correct repair procedure. One durable rubber roller is included. Note, the hardware to secure it is sold separately. A screwdriver and snap-ring pliers will be needed to perform this repair.
Driving Roller 151121-2
OEM part for: Makita
Part Number: 151121-2
$83.40
In Stock
Ships within 1 business day 
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Compatibility
This Driving Roller will fit the following 1 machine. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Makita
This item works with the following types of products:
- Sander Parts
This part replaces obsolete part #: 162020-3
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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.
Polymer drive roller coating deteriorated from age and use.
Neil - August 31, 2017
👍 6 of 6 people found this instruction helpful
Tool Type
Sander
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Snap ring pliers
Parts Used
Clean the tool with compressed air so the loose dust doesn't enter the gearbox when opened.
1. Remove the drive belt and gearbox cover, remove snap ring on shaft end.
2. Pull out the old drive roller assembly, retain the inner washer for re-assembly.
3. Using high quality lubricant, grease shaft of new part, and put new assembly in place.
4. Replace drive gear, washer, and snap ring.
5. Clean out any old dried grease and re-supply gearbox with appropriate lubricant.
6. Reassemble gearbox cover, replace drive belt, and install belt shield.
It's a good idea to remove and re-grease the front idler roller shaft at the same time as the other repairs are done.
1. Remove the drive belt and gearbox cover, remove snap ring on shaft end.
2. Pull out the old drive roller assembly, retain the inner washer for re-assembly.
3. Using high quality lubricant, grease shaft of new part, and put new assembly in place.
4. Replace drive gear, washer, and snap ring.
5. Clean out any old dried grease and re-supply gearbox with appropriate lubricant.
6. Reassemble gearbox cover, replace drive belt, and install belt shield.
It's a good idea to remove and re-grease the front idler roller shaft at the same time as the other repairs are done.
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Rear drive wheel lost composite coating and failed to drive sand paper.
John - January 2, 2017
👍 4 of 4 people found this instruction helpful
Tool Type
Sander
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, C-ring tool
1. Removed side cover
2. Removed roller assembly
3. Replaced with new roller
4. Also replaced steel guide plate, cork backing pad and guide bracket with new parts
2. Removed roller assembly
3. Replaced with new roller
4. Also replaced steel guide plate, cork backing pad and guide bracket with new parts
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The rubber on the origional drive roller had dry rotted and was coming off in chunks
Richard - July 9, 2017
👍 1 of 1 people found this instruction helpful
Tool Type
Sander
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Retaining clip removal tool
1, Unscrewed and removed the drive belt cover and the housing cover on the opposite side.
2, Removed the drive belt.
3, Removed the retaining clip and the washers on the old roller.
4, Installed the new roller, the washers and attached the retaining clip.
5, Packed in some new grease and reassembled.
6, Installed the new sanding belt and tested the tool.
2, Removed the drive belt.
3, Removed the retaining clip and the washers on the old roller.
4, Installed the new roller, the washers and attached the retaining clip.
5, Packed in some new grease and reassembled.
6, Installed the new sanding belt and tested the tool.
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Drive roller warn out
jim - January 26, 2019
Tool Type
Sander
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver
Simple taking screws out, c ring, clean up other parts, reassemble
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Driving roller coating dry rot.
Claude - December 11, 2018
Tool Type
Sander
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, spring clip pliers, grease
Removed belt housing cover, then spring clips. Removed gears then driving roller.
Greased roller shaft and added where needed.
Removed steel and cork plate, cleaned surfaces and reinstalled new units.
Lubricated all flexible sections of unit.
Sander is like brand new.
Greased roller shaft and added where needed.
Removed steel and cork plate, cleaned surfaces and reinstalled new units.
Lubricated all flexible sections of unit.
Sander is like brand new.
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Bad drive roller
Lewis - March 24, 2017
Tool Type
Sander
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Retaining ring pliers
Parts Used
1 When ordering, you should include new retaining rings-12 and maybe cup washer (just in case they are bad ).
2. Remove belt cover and belt.
3. Using retaining ring pliers, remove retaining ring (if tension in ring is gone, replace ) .
4. Remove roller and make sure to check cup washer
5. Assemble parts in reverse order .
2. Remove belt cover and belt.
3. Using retaining ring pliers, remove retaining ring (if tension in ring is gone, replace ) .
4. Remove roller and make sure to check cup washer
5. Assemble parts in reverse order .
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Nothing
Philip - January 26, 2017
Tool Type
Sander
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Spring-ring puller (remove gear from shaft)
Parts Used
1. Unscrewed housing protecting drive pulleys and belt
2. Remove belt
3. Remove gear housing
4. Remove spring-ring
5. Remove drive-gear on drive-roller
6. Remove drive-roller from bearing assembly
7. Replace drive roller
8. Reverse directions 1-5 to re-install
2. Remove belt
3. Remove gear housing
4. Remove spring-ring
5. Remove drive-gear on drive-roller
6. Remove drive-roller from bearing assembly
7. Replace drive roller
8. Reverse directions 1-5 to re-install
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Drive wheel had ridges worn into it
Wallace - July 31, 2016
👍 0 of 2 people found this instruction helpful
Tool Type
Sander
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver
Parts Used
Removed the old part and installed the new part, no special instructions necessary.
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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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