MTD
Gas Leaf Blower

Model #41AS99MS799 Official MTD blower

Here are the diagrams and repair parts for MTD 41AS99MS799 blower, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

    Showing 10 of 41 parts

    Line Trimmer Carburetor#5

    Shortblock/muffler Diagram

    Line trimmer carburetor

    Part #753-06288
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    MSRP: $36.00
    Lawn & Garden Equipment Engine Carburetor Mount Gasket#6

    Shortblock/muffler Diagram

    Gasket

    Part #721-04381
    Replaced by #753-06253
    ?
    Manufacturer substitution
    This part replaces 721-04381. Substitute parts can look different from the original.
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    This item is not returnable
    In Stock
    $2.59 | 
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    Phone Price: $3.59
    Leaf Blower Impeller#10

    Impeller housing/handle Diagram

    Leaf blower impeller

    Part #753-08491
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    $9.35 | 
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    Was: $11.69
    Lawn & Garden Equipment O-Ring#4

    Shortblock/muffler Diagram

    Lawn & garden equipment o-ring

    Part #753-06185
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    $2.99 | 
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    Phone Price: $3.99
    Leaf Blower Tube#17

    Impeller housing/handle Diagram

    Leaf blower tube

    Part #731-10782
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    $10.89 | 
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    Leaf Blower Nozzle#16

    Impeller housing/handle Diagram

    Leaf blower nozzle

    Part #731-11154
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    Leaf Blower Fuel Tank#18

    Impeller housing/handle Diagram

    Leaf blower fuel tank

    Part #753-08508
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    Leaf Blower Tube#15

    Impeller housing/handle Diagram

    Leaf blower tube

    Part #731-10598
    This item is not returnable
    In Stock
    $10.89 | 
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    Phone Price: $12.89
    Lawn & Garden Equipment Screw#7

    Impeller housing/handle Diagram

    Lawn & garden equipment screw

    Part #710-04194
    This item is not returnable
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    Phone Price: $7.29
    Washer

    See All Related Diagrams

    Washer

    Part #736-05080
    This item is not returnable
    In Stock
    $3.53

    Symptoms for gas leaf blowers

    Choose a symptom to see related leaf blower repairs.

    Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank
    Main causes: bad gas, clogged air filter, cracked fuel lines, clogged fuel filter, dirty carburetor, bad spark plug, worn piston rings
    Main causes: stale fuel, dirty air filter, bad spark plug, cracked fuel lines, clogged carburetor
    Main causes: damaged fan blade, engine needs a tune up, dirty carburetor
    Main causes: mixing too much 2-cycle oil with the gas, dirty air filter, clogged carburetor, engine needs tune up

    Repair guides for gas leaf blowers

    These step-by-step repair guides will help you safely fix what’s broken on your leaf blower.

    August 1, 2013
    By Lyle Weischwill
    How to replace a leaf blower carburetor

    The carburetor could be the problem If the leaf blower engine won't start even though there's fuel in the tank. Follow these instructions to replace the carburetor.

    Repair difficulty
    Time required
     15 minutes or less
    August 1, 2013
    By Lyle Weischwill
    How to replace leaf blower fuel lines

    Leaf blower fuel lines deteriorate with time and eventually can split or crack. You can remove and replace them yourself, following these instructions.

    Repair difficulty
    Time required
     60 minutes or less
    August 1, 2013
    By Lyle Weischwill
    How to rebuild a leaf blower carburetor

    If the leaf blower engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these instructions to rebuild it in less than 30 minutes.

    Repair difficulty
    Time required
     60 minutes or less

    Articles and videos for gas leaf blowers

    Use the advice and tips in these articles to get the most out of your leaf blower.

    June 29, 2022

    Top questions about Sears and Sears PartsDirect

    By Lyle Weischwill

    Get answers to frequently asked questions about Sears and Sears PartsDirect.

    May 20, 2017

    Preparing a leaf blower for long-term storage

    By Lyle Weischwill

    Follow these easy steps to prepare you leaf blower for long-term storage.

    January 1, 2016

    6 easy steps for maintaining a leaf blower

    By Lyle Weischwill

    Follow this advice for caring for your leaf blower.