Medium
More than 2 hours
This authentic dust cap is OEM and made of plastic. This part is designed to prevent dust from entering the shaft and surrounding area of MTD Tiller lawn equipment. It is sold individually. Please note that the rubber seal is sold separately as part number 921-0175.
Cap-dust 931-0487
OEM part for: MTD
Part Number: 931-0487
$11.86
In Stock
Ships within 1 business day 
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This Cap-dust will fit the following 3092 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 20 of 3092 matching models.
3092 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- MTD
This item works with the following types of products:
- Lawn Mower
- Snowblower
This part replaces obsolete part #: 731-0487
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Service was great with locating the parts that were hard to find. I will be ordering more in the future.
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December 14, 2022
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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.
Bearings wore bad on a 1986 model tiller
Matthew - November 15, 2016
Tool Type
Cultivator
Difficulty
Easy
Time
1-2 hours
Tools Used
Socket set
Drop gear case out of machine by 4 bolts
separate case after removing pulley
Replaced bearings
Replace seals and dust caps on tine shaft
separate case after removing pulley
Replaced bearings
Replace seals and dust caps on tine shaft
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Tiller drive chain bushings, seals, and bearings worn out. Shafts are obsolete for this 1987 MTD tiller so I had to weld up the worn areas on the shafts and machine back to new size.
Bobby - September 1, 2016
Tool Type
Cultivator
Difficulty
Medium
Time
More than 2 hours
Tools Used
Screwdriver, Socket set, Wrench Set, Hammer
Disassembled tiller to remove drive gear. Disassembled the gear drive chain, removed upper and lower drive gears and shafts, welded up and machined down bearing and seal areas. Removed old bushings, bearings, and seals. Installed all new parts and reassembled.
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OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
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.
