Compatible with YFM250 Bear models manufactured between 1999 and 2004 for correct fitment.Designed as a direct replacement part to match specifications for performance.Includes model numbers 1P0-13586-00-00, 932103553700, and 91317-06020-00 for accurate identification and installation.Intake manifold carburetor boot supports consistent airflow to the engine.Built for in off-road and recreational vehicle applications.