The 56276207 was a drive sheave bushing used on the 2475F11G gas driven air compressors by Ingersoll Rand. These units used the Kohler 11hp engine. Note this goes on the engine and is not the flywheel for the pump. This pulley sheave will only work with the 11hp version of this compressor and does not go on the CH440 command pro 14hp engines.
Part #: 32295891
Part #: 32338519
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Part #: 56276207