Medium
1-2 hours
This is an authentic OEM part for use with Briggs and Stratton and Toro Lawn Tractors. The starter drive assembly attaches to the starter motor and engages the engine flywheel to start the engine when the starter motor runs. The most common reason for replacing the starter drive kit is when the engine won’t start. This part included the shaft, gear, wave washer, spring and the starter cap. Here is a list of tools that are needed to replace the starter drive assembly 1/4 inch socket or nut driver, 3/8th-inch socket or nut driver, two small flat-head screwdrivers, 1/2 inch socket and wrench and pliers.
Motor-starter 593934
OEM part for: Briggs and Stratton, Toro
Part Number: 593934
$185.50
In Stock
Ships within 1 business day 
Compatibility
This Motor-starter will fit the following 5983 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
This item works with the following types of products:
- Lawn Tractor Parts
This part replaces obsolete part #: 693699 (Used After Code Date 17033000)
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Starter gear.
Parts easy to install works great, thank you again
Guest -
July 30, 2020
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.
starter motor gear broken
Kenneth - December 20, 2020
👍 1 of 1 people found this instruction helpful
Tool Type
Lawn Tractor
Difficulty
Hard
Time
More than 2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, allen wrench, hack saw
Parts Used
1- disconnect cable from battery
2- remove cable from starter motor
3- remove starter motor
4- could not remove c-clip from st. motor shaft
5- used hack saw to cut off disc
6- replaced gear drive assembly
7- could not get c-clip back on, then lost in
8- REPAIR KIT DID NOT INCLUDE A NEW C-CLIP
9- bought external retaining ring at Hardware store
10- installed starter motor----ALL GOOD
2- remove cable from starter motor
3- remove starter motor
4- could not remove c-clip from st. motor shaft
5- used hack saw to cut off disc
6- replaced gear drive assembly
7- could not get c-clip back on, then lost in
8- REPAIR KIT DID NOT INCLUDE A NEW C-CLIP
9- bought external retaining ring at Hardware store
10- installed starter motor----ALL GOOD
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Lawn mower Starter Gear Broke
Vicky - August 29, 2020
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers
Parts Used
1. Removed Battery Cables.
2. Removed Air Cover.
3. Removed Air Filter.
4. Removed Engine Cover.
5. Removed C Clip from top of Starter Gear.
6. Removed Gear Cover and Spring from atop the Starter Gear.
7. Removed Starter Gear by turning Backwards on Gear at top on Starter on Flywheel.
8 Replaced Starter Gear, Drive Gear, Return Spring, Clutch Drive, Retention Plate, Washer and Clip.
9.DONE!! YAY!!
2. Removed Air Cover.
3. Removed Air Filter.
4. Removed Engine Cover.
5. Removed C Clip from top of Starter Gear.
6. Removed Gear Cover and Spring from atop the Starter Gear.
7. Removed Starter Gear by turning Backwards on Gear at top on Starter on Flywheel.
8 Replaced Starter Gear, Drive Gear, Return Spring, Clutch Drive, Retention Plate, Washer and Clip.
9.DONE!! YAY!!
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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.
