Medium
30-60 minutes
This is a genuine replacement part manufactured for use with small engines. The special flywheel key fits into the slot on the crankshaft and aligns with the keyway in the center of the flywheel. This flywheel key allows the flywheel and crankshaft to maintain the same rate of rotation, and if the key should break it can cause misfires or poor engine performance. This flywheel key is sold individually.
Flywheel Key 02-403
OEM part for: Oregon, Husqvarna, Toro, Craftsman
Part Number: 02-403
$4.99
Usually ships in 7 - 12 business days
Leaves our warehouse within 7 - 12 business days
Compatibility
This part will fit the following 194 machines
Husqvarna
Tec (1997-04) Engine View Diagrams & Manuals
Toro
16165 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
16165 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
16165C (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
16165C (6000001-6999999)(1986) Lawn Mower View Diagrams & Manuals
16212W (0000001-0999999)(1990) Lawn Mower View Diagrams & Manuals
16297 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
16297 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
16297C (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
16299 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
16299 (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
16299C (6000001-6999999)(1986) Lawn Mower View Diagrams & Manuals
16299C (7000001-7999999)(1987) Lawn Mower View Diagrams & Manuals
16299C (8000001-8999999)(1988) Lawn Mower View Diagrams & Manuals
16340C (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
16340C (6000001-6999999)(1986) Lawn Mower View Diagrams & Manuals
16340C (7000001-7999999)(1987) Lawn Mower View Diagrams & Manuals
16570 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
16575 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
16575 (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
16575 (6000001-6999999)(1986) Lawn Mower View Diagrams & Manuals
16575 (7000001-7999999)(1987) Lawn Mower View Diagrams & Manuals
16575 (8000001-8012678)(1988) Lawn Mower View Diagrams & Manuals
16575 (8012679-8999999)(1988) Lawn Mower View Diagrams & Manuals
16575 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
16575 (0000001-0999999)(1990) Lawn Mower View Diagrams & Manuals
16575C (8000001-8999999)(1988) Lawn Mower View Diagrams & Manuals
16575C (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
16576 (0000001-0999999)(1990) Lawn Mower View Diagrams & Manuals
16770 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
16770 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
16771 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
16771 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
16775 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
16775 (6000001-6999999)(1986) Lawn Mower View Diagrams & Manuals
16775 (7000001-7999999)(1987) Lawn Mower View Diagrams & Manuals
16775 (8000001-8022965)(1988) Lawn Mower View Diagrams & Manuals
16775 (8022966-8999999)(1988) Lawn Mower View Diagrams & Manuals
16775 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
16775 (0000001-0999999)(1990) Lawn Mower View Diagrams & Manuals
16776 (0000001-0999999)(1990) Lawn Mower View Diagrams & Manuals
16793 (8000001-8999999)(1988) Lawn Mower View Diagrams & Manuals
16793 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
16793 (0000001-0999999)(1990) Lawn Mower View Diagrams & Manuals
20001 (240000001-240999999)(2004) Lawn Mower View Diagrams & Manuals
20003 (250000001-250999999)(2005) Lawn Mower View Diagrams & Manuals
20003 (260000001-260999999)(2006) Lawn Mower View Diagrams & Manuals
20005 (250000001-250999999)(2005) Lawn Mower View Diagrams & Manuals
20005 (260000001-260999999)(2006) Lawn Mower View Diagrams & Manuals
20008 (230000001-230999999)(2003) Lawn Mower View Diagrams & Manuals
20008 (240000001-240999999)(2004) Lawn Mower View Diagrams & Manuals
20009 (220000001-220999999)(2002) Lawn Mower View Diagrams & Manuals
20009 (230000001-230999999)(2003) Lawn Mower View Diagrams & Manuals
20009 (240000001-240999999)(2004) Lawn Mower View Diagrams & Manuals
20009 (250000001-250999999)(2005) Lawn Mower View Diagrams & Manuals
20009 (260000001-260999999)(2006) Lawn Mower View Diagrams & Manuals
20009 (270000001-270999999)(2007) Lawn Mower View Diagrams & Manuals
20012 (220000001-220300000)(2002) Lawn Mower View Diagrams & Manuals
20012 (220300001-220999999)(2002) Lawn Mower View Diagrams & Manuals
20012 (230000001-230999999)(2003) Lawn Mower View Diagrams & Manuals
20012 (240000001-240999999)(2004) Lawn Mower View Diagrams & Manuals
20012 (250000001-250999999)(2005) Lawn Mower View Diagrams & Manuals
20013 (220000001-220300000)(2002) Lawn Mower View Diagrams & Manuals
20013 (220300001-220999999)(2002) Lawn Mower View Diagrams & Manuals
20013 (230000001-230999999)(2003) Lawn Mower View Diagrams & Manuals
20013 (240000001-240999999)(2004) Lawn Mower View Diagrams & Manuals
20013 (250000001-250999999)(2005) Lawn Mower View Diagrams & Manuals
20013 (260000001-260999999)(2006) Lawn Mower View Diagrams & Manuals
20014 (220000001-220300000)(2002) Lawn Mower View Diagrams & Manuals
20014 (220300001-220999999)(2002) Lawn Mower View Diagrams & Manuals
20014 (230000001-230999999)(2003) Lawn Mower View Diagrams & Manuals
20016 (220000001-220300000)(2002) Lawn Mower View Diagrams & Manuals
20016 (220300001-220999999)(2002) Lawn Mower View Diagrams & Manuals
20016 (230000001-230999999)(2003) Lawn Mower View Diagrams & Manuals
20016 (240000001-240999999)(2004) Lawn Mower View Diagrams & Manuals
20016 (250000001-250999999)(2005) Lawn Mower View Diagrams & Manuals
20016 (260000001-260999999)(2006) Lawn Mower View Diagrams & Manuals
20017 (220000001-220300000)(2002) Lawn Mower View Diagrams & Manuals
20017 (220300001-220999999)(2002) Lawn Mower View Diagrams & Manuals
20017 (230000001-230999999)(2003) Lawn Mower View Diagrams & Manuals
20017 (240000001-240999999)(2004) Lawn Mower View Diagrams & Manuals
20017 (250000001-250999999)(2005) Lawn Mower View Diagrams & Manuals
20017 (260000001-260999999)(2006) Lawn Mower View Diagrams & Manuals
20018 (220000001-220300000)(2002) Lawn Mower View Diagrams & Manuals
20018 (220300001-220999999)(2002) Lawn Mower View Diagrams & Manuals
20018 (230000001-230999999)(2003) Lawn Mower View Diagrams & Manuals
20019 (230000001-230999999)(2003) Lawn Mower View Diagrams & Manuals
20031 (240000001-240999999)(2004) Lawn Mower View Diagrams & Manuals
20051 (240000001-240999999)(2004) Lawn Mower View Diagrams & Manuals
20070 (260000001-260999999)(2006) Lawn Mower View Diagrams & Manuals
20079 (260000001-260999999)(2006) Lawn Mower View Diagrams & Manuals
20511 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20531 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20532 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20570 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20570 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
20570 (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20574 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20574 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
20758 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20762 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20762 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
20715 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20715 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
20715 (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20715C (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20718 (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20718C (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20718C (6000001-6999999)(1986) Lawn Mower View Diagrams & Manuals
20631 (8000001-8999999)(1988) Lawn Mower View Diagrams & Manuals
20631 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20632 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20671 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20671 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20672 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20672 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
20672 (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20674 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20675 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
20675 (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20675 (6000001-6999999)(1986) Lawn Mower View Diagrams & Manuals
20676 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
20676 (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20677 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20677 (0000001-0002101)(1990) Lawn Mower View Diagrams & Manuals
20677 (0002102-0999999)(1990) Lawn Mower View Diagrams & Manuals
20692 (7000001-7999999)(1987) Lawn Mower View Diagrams & Manuals
20692 (8000001-8999999)(1988) Lawn Mower View Diagrams & Manuals
20692 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20692 (0000001-0999999)(1990) Lawn Mower View Diagrams & Manuals
20692C (8000001-8999999)(1988) Lawn Mower View Diagrams & Manuals
20692C (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20695 (7000001-7999999)(1987) Lawn Mower View Diagrams & Manuals
20695 (8000001-8999999)(1988) Lawn Mower View Diagrams & Manuals
20705 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20705 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
20705 (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20586 (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20586 (6000001-6999999)(1986) Lawn Mower View Diagrams & Manuals
20586 (7000001-7999999)(1987) Lawn Mower View Diagrams & Manuals
20586 (8000001-8999999)(1988) Lawn Mower View Diagrams & Manuals
20586 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20586 (0000001-0999999)(1990) Lawn Mower View Diagrams & Manuals
20586C (8000001-8999999)(1988) Lawn Mower View Diagrams & Manuals
20586C (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20587 (0000001-0999999)(1990) Lawn Mower View Diagrams & Manuals
20588 (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20588 (6000001-6999999)(1986) Lawn Mower View Diagrams & Manuals
20588 (7000001-7999999)(1987) Lawn Mower View Diagrams & Manuals
20588 (8000001-8999999)(1988) Lawn Mower View Diagrams & Manuals
20588 (0000001-0999999)(1990) Lawn Mower View Diagrams & Manuals
20588C (8000001-8999999)(1988) Lawn Mower View Diagrams & Manuals
20588C (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20610 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20610 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
20610C (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20611 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20810 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20810 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
20810C (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20574 (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20574 (6000001-6999999)(1986) Lawn Mower View Diagrams & Manuals
20574 (7000001-7999999)(1987) Lawn Mower View Diagrams & Manuals
20574 (8000001-8999999)(1988) Lawn Mower View Diagrams & Manuals
20574 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20576 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20577 (4000001-4999999)(1984) Lawn Mower View Diagrams & Manuals
20577 (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20762C (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20762C (6000001-6999999)(1986) Lawn Mower View Diagrams & Manuals
20771 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20773 (3000001-3999999)(1983) Lawn Mower View Diagrams & Manuals
20780C (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20780C (7000001-7999999)(1987) Lawn Mower View Diagrams & Manuals
20780C (8000001-8999999)(1988) Lawn Mower View Diagrams & Manuals
20780C (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
20782C (5000001-5999999)(1985) Lawn Mower View Diagrams & Manuals
20782C (6000001-6999999)(1986) Lawn Mower View Diagrams & Manuals
26641 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
26642 (9000001-9999999)(1989) Lawn Mower View Diagrams & Manuals
Craftsman
987.799601 Chipper/ Vac View Diagrams & Manuals
143026708 Engine View Diagrams & Manuals
143986500 4-Cycle Engine View Diagrams & Manuals
917372832 Lawn Mower View Diagrams & Manuals
917372854 Lawn Mower View Diagrams & Manuals
917376282 Lawn Mower View Diagrams & Manuals
917376283 Lawn Mower View Diagrams & Manuals
917376331 Lawn Mower View Diagrams & Manuals
917380093 Lawn Mower View Diagrams & Manuals
987799601 Chipper/Shredder View Diagrams & Manuals
987799610 Chipper/Shredder View Diagrams & Manuals
143974008 Small Engine View Diagrams & Manuals
143996702 4-Cycle Engine View Diagrams & Manuals
143976250 Small Engine View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Engine Parts
- Lawn Mower Parts
- Vacuum Parts
- Chipper / Shredder Parts
This part replaces obsolete part #: 611004
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Toro tecumseh repair
Right part at a reasonable price.
Guest -
January 4, 2021
Verified Purchase
Replacing flywheel key
Replacing a sheared flywheel key is easy.the hardest part is pulling the fly wheel.part came in a few days.
16 year old lawnmower now works like new.
Guest -
July 27, 2019
Verified Purchase
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Does this fit my product?Questions & Answers for Flywheel Key
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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.
Damaged crank key. Engine slightly out of time and sometimes the recoil snapped back.
Marshall - January 6, 2021
Tool Type
Lawn Mower
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Adjustable Wrench, Pry bar
Parts Used
Remove top cover, removed crank nut and flywheel. replaced crank key and reassembled.
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would not start
Robert - July 12, 2017
👍 2 of 6 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Socket set, Puller
Remove Flywheel, replace key, replace starter drive gear.
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Thanks for voting and helping fellow customers!
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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.
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