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IC Impulse Coupler Parts Lists

Here is some parts information for the American Bosch IC series impulse couplers. This will help when checking or changing the coupler configuration to determine which parts if any need to be changed. 

The ICA is probably the most common impulse coupler. Note that to change rotation one must change change the housing, illustration#3.  The part# is stamped on the front.  

 The ICB is the most common coupler for base mounted magnetos used with earlier engines. As with the ICA, to change rotation one must change the housing shown in illustration#4