The McCormick 6511872M1 Jaw is a genuine OEM replacement part specifically designed for various McCormick CM series mowers, including models CM 165, CM 185, CM 210, CM 240, CM 280, CM 320, CM 165 F, CM 185 F, CM 210 F, CM 240 F, CM 280 F, and CM 320 F. This essential component ensures precise and reliable cutting performance in agricultural machinery. Manufactured to original equipment specifications, it guarantees perfect fitment, durability, and optimal operation for your McCormick mower.