One New Aftermarket Replacement Flywheel Ring Gear That Fits Cockshutt Models: 20, and 20 Deluxe.Fits Co-Op Models: C (With Flathead Engines By Duplex Machinery Made In Battle Creek, Arthurdale, Shelbyville, St. Paul, Etc. 1937 Through 1950), and E2 (With Continental F124 Engine)Fits Silver King Model: 42 Fits: Some Continental Models With F124, F140, F162 Continental Gas Engines.103 Teeth.Please Note: Relief For Starter Drive Is On The Right Side Of The Teeth (Facing Up). Outer Diameter: 13.06"Inner Diameter: 12.1045"Thickness: 0.475"Replaces Part Numbers: T11754, C400C305
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