Hard
1-2 hours
This is a genuine Craftsman part for use with Snow Blowers and Lawn Mowers. The ground drive belt drives the transmission, which propels the lawn mower wheels. The most common reason for replacing the drive belt is when the lawn mower wheels won’t turn. This part is sold individually. The tools that you will need to replace the drive belt is a 5/8 inch socket and a pipe wrench.
Belt-v 3/8 X 31.0 954-0343
OEM part for: MTD, Ryobi
Part Number: 954-0343
$31.64
In Stock
Ships within 1 business day 
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Compatibility
This Belt-v 3/8 X 31.0 will fit the following 791 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 20 of 791 matching models.
791 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- Bolens
- Craftsman
- Husky
- MTD
- Ryobi
- Yard Machines
- Yard Man
This item works with the following types of products:
- Edger
- Lawn Mower
- Snowblower
This part replaces obsolete part #: 754-0343 (Models 820 Thru 829), 754-0343
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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.
Belt that runs rear wheel drive tore and need a new pulley
Mark - July 27, 2022
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Socket set, None needed
Parts Used
Remove the cover over the belt took the Centre bolt out of the pulley replace belt and pulley reinstall cover
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Leaked oil
Terry - January 11, 2019
👍 0 of 1 people found this instruction helpful
Tool Type
Snowblower
Difficulty
Expert
Time
More than 2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Nutdriver, Adjustable Wrench, Seal Puller Spray Oil 10W30 Oil
Removed motor from frame and placed on bench.
Removed all pulleys.
Removed oil pan.
Removed cam and cam followers.
Removed carburetor and intake.
Cleaned crankcase and removed all old gasket material on block and oil pan.
Cleaned carburetor.
Cleaned cam and cam followers.
Replaced both crank and cam oil seals.
Reinstalled cam followers.
Ensure piston at TDC in compression stroke.
Aligned timing marks on cam and crank.
Installed cam.
Spray oiled all internal components.
Installed oil pan using new gasket.
Installed carburetor using new intake gasket.
Replace spark plug.
Reinstalled pulleys.
Reinstalled motor to frame and installed new belts.
Filled with oil.
Primed.
Started first pull. No leaks.
Removed all pulleys.
Removed oil pan.
Removed cam and cam followers.
Removed carburetor and intake.
Cleaned crankcase and removed all old gasket material on block and oil pan.
Cleaned carburetor.
Cleaned cam and cam followers.
Replaced both crank and cam oil seals.
Reinstalled cam followers.
Ensure piston at TDC in compression stroke.
Aligned timing marks on cam and crank.
Installed cam.
Spray oiled all internal components.
Installed oil pan using new gasket.
Installed carburetor using new intake gasket.
Replace spark plug.
Reinstalled pulleys.
Reinstalled motor to frame and installed new belts.
Filled with oil.
Primed.
Started first pull. No leaks.
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Thanks for voting and helping fellow customers!
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Learn MoreOur 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.
