Easy
15-30 minutes
This replacement belt is specially designed for Delta table saws. It is a genuine OEM part, not an aftermarket imitation. This is the main belt that helps to spin the saw blade. Make sure to clean drive pulleys before installing the new belt. This will help to ensure top performance with your new belt. Inspect this belt periodically and replace it when worn or stretched. This part is made out of durable rubber and it is sold in a pack of three.
V-belts (3 Pack) 5140043-25
OEM part for: Delta
Part Number: 5140043-25
$22.70
In Stock
Ships within 1 business day 
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Frequently Purchased Together ?
Compatibility
This part will fit the following 125 machines
Delta
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34-784 Type 4 10" Tilting Arbor Unisaw View Diagrams & Manuals
34-784 Type 3 10" Tilting Arbor Unisaw View Diagrams & Manuals
34-784 Type 2 10" Tilting Arbor Unisaw View Diagrams & Manuals
34-784 Type 1 10" Tilting Arbor Unisaw View Diagrams & Manuals
34-784L Type 2 10" Tilting Arbor Unisaw View Diagrams & Manuals
34-784L Type 1 10" Tilting Arbor Unisaw View Diagrams & Manuals
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34-782 Type 1 10" Tilting Arbor Unisaw View Diagrams & Manuals
34-782L Type 2 10" Tilting Arbor Unisaw View Diagrams & Manuals
34-782L Type 1 10" Tilting Arbor Unisaw View Diagrams & Manuals
34-781 Type 4 10" Tilting Arbor Unisaw View Diagrams & Manuals
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34-781 Type 2 10" Tilting Arbor Unisaw View Diagrams & Manuals
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34-765 Type 1 10" Tilting Arbor Unisaw View Diagrams & Manuals
34-764 Type 4 10" Tilting Arbor Unisaw View Diagrams & Manuals
34-764 Type 3 10" Tilting Arbor Unisaw View Diagrams & Manuals
34-764 Type 2 10" Tilting Arbor Unisaw View Diagrams & Manuals
34-764 Type 1 10" Tilting Arbor Unisaw View Diagrams & Manuals
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36-882 Type 2 Unisaw View Diagrams & Manuals
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36-816 Type 2 10" Tilting Arbor Unisaw View Diagrams & Manuals
36-815 Type 1 Unisaw View Diagrams & Manuals
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34-807 Type 1 10" Tilting Arbor Unisaw View Diagrams & Manuals
34-806 Type 2 10" Tilting Arbor Unisaw View Diagrams & Manuals
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Show More Compatible Models
This item works with the following types of products:
- Saw Parts
- Table Saw Parts
This part replaces obsolete part #: 49124, 49-124
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Quick shop, order, delivered and replaced!
Just received the belts for the Delta Unisaw less than a week. Replacement is easy as long as you follow simple instructions. Thanks eReplacementparts for having your store online rather than being out running around for it.
Dan -
November 25, 2019
Verified Purchase
Belt replacment on Unisaw
An exact match for the stock part, old belts were still working but were cracked and dry so it was time. About the easiest parts replacement I've ever had to do. One locking bolt to unloosen, old belts off and new belts on in just a few minutes. All accessible through hinged door into the base of the saw.
Guest -
July 12, 2019
Verified Purchase
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Verified Purchase
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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 V-belts (3 Pack)
Will Delta 5140043-25 replacement drive belts fit my Unisaw 34-802 Type 2?
Micah
for model number 34-802 Type 2
asked on 2022-02-11
Hello Micah, Thank you for contacting us. We have researched the model you have provided and have confirmed the part you are looking for is Part Number: 5140043-25.If you need help placing an order, customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you!
eReplacementParts Team February 11, 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.
Table saw vibration caused by worn belts
David - February 11, 2016
👍 3 of 4 people found this instruction helpful
Tool Type
Table Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set, 2x4 block of wood
Parts Used
Followed instructions in Delta Unisaw owners manual to replace belts. The new belts were Delta OEM replacements and the saw now runs very smooth. I've used eReplacementParts for a variety of other tools and never had a problem with the parts, shipping, or anything else.
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Belts worn out and making noise
Darrell - June 9, 2016
👍 1 of 1 people found this instruction helpful
Tool Type
Table Saw
Difficulty
Medium
Time
30-60 minutes
Tools Used
Socket set, block of wood
Parts Used
Loosened up motor adjusting bolt pushed motor up and placed a block of wood behind it and cabinet side of saw to hold it up while i removed the old belts and replaced with the new ones then i pushed the motor up enough to get the block of wood out then while applying downward pressure on the motor to tighten the tension on the new belts i snugged the motor adjustment bolt checked the tension on the belt making sure they were tight enough then i tighten the bolt the rest of the way down no problems with it so far although i plan on checking the tension again in a couple months just in case they may stretch a little
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Belt’s we’re worn out
Dale - October 23, 2022
Tool Type
Table Saw
Difficulty
Medium
Time
15-30 minutes
Tools Used
Wrench Set
Parts Used
Replaced belt’s
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Original belts reached their service life
Scott - January 2, 2022
Tool Type
Table Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Socket set, Additional lighting
Parts Used
Loosened motor tension bolt and raised motor to highest position (most slack on belts). Adjusted bevel and depth until belts would clear and replaced them. Back under saw I used a screw driver to tension the belts while I tightened the tension bolt. I ran the saw to check for slippage before putting it in production. It is important to purchase a true OEM replacement part as the belts are sized the same (matched set)..
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Worn belts
John - October 27, 2021
Tool Type
Table Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set
Parts Used
Removed & replaced 3 drive belts.
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The 3 drive belts were old and stretched out.
Alfred - January 15, 2019
Tool Type
Table Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set, Wrench Set
Parts Used
It was fairly easy to change the belts. This is a Delta Unsaw 34-801, 1 1/2 hp.
1. Raise the blade up a bit.
2. Place a block between the cabinet and motor. Loosen the bolt on the motor.
3. Remove the block. Lower the blade to loosen the belts.
4. Remove the old belts.
5. Install the new belts
6. Pull the motor down to tighten the belts. Tighten the bolt. There should be about a 1/4" of slack.l cleaned the tension again a couple of days later.
1. Raise the blade up a bit.
2. Place a block between the cabinet and motor. Loosen the bolt on the motor.
3. Remove the block. Lower the blade to loosen the belts.
4. Remove the old belts.
5. Install the new belts
6. Pull the motor down to tighten the belts. Tighten the bolt. There should be about a 1/4" of slack.l cleaned the tension again a couple of days later.
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Belts were 25 years old and beginning to slip.
James - September 2, 2018
Tool Type
Table Saw
Difficulty
Medium
Time
30-60 minutes
Tools Used
Wrench Set
Parts Used
1. Loosened the bolts to motor mount.
2. Put 2x4 against motor to hold tension off of old belts.
3. Took each belt off pulleys.
4. Replaced belts on pulley.
5. Moved the 2x4 to put tension back on belts.
6. Held motor with tension on belts.
7. Tightened bolts on motor mount.
2. Put 2x4 against motor to hold tension off of old belts.
3. Took each belt off pulleys.
4. Replaced belts on pulley.
5. Moved the 2x4 to put tension back on belts.
6. Held motor with tension on belts.
7. Tightened bolts on motor mount.
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Belts were worn.
Greg - February 5, 2018
Tool Type
Table Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Adjustable Wrench, Pry bar
Parts Used
Belts were worn so that they couldn't be adjusted anymore. The extra slop caused excessive vibration. Replacing the belts is pretty straight forward. Loosen motor mount, switch the 3 belts and using a bar to pry down on motor, apply a little tension on belts and tighten mounting bolt.
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Belts were old and cracked
Harley - September 27, 2017
Tool Type
Table Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Parts Used
Wound the motor to the top the table. Wedged a block under the motor and replaced the (3) V-belts.
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Original drives belts brittle and cracked (25 years old)
Michael - January 4, 2017
Tool Type
Table Saw
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Socket set, Wrench Set
Parts Used
1. Removed the table top.
2. Followed the owners manual to remove the belts.
3. Did the reverse to replace belts.
2. Followed the owners manual to remove the belts.
3. Did the reverse to replace belts.
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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.
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.
