Welcome to my store! I sell Parts for Briggs & Stratton Gas Engines from the 1920's to the 1950's. I have Some New Old Stock, New Reproduction, and USED Parts. Click on the Model Link below to see parts available for that engine. Michigan Sales Tax is included in Price. Thanks!

If you are looking for Briggs Parts that are not available here you may contact me at: fred@antiquebriggs.com or Oldbriggs@outlook.com

Free Shipping on Orders of $25 or More in USA only!

Many Parts can ship Worldwide. Please contact me for a shipping quote.


Free Shipping on Orders of $25 or more in USA!

Save 61%

66403 Flywheel Key

List price: $9.00
You save: $5.50 (61%)
42 item(s)
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NEW Reproduction Flywheel Key for Briggs & Stratton Gas Engine. Part Number 66403 . Molded Non Ferris Key made just like the originals.