The New Holland 84558621 is an authentic OEM gasket designed for various New Holland agricultural and construction equipment. This genuine part ensures a precise fit and reliable sealing performance across models including T4 and T5 series tractors, TH series telehandlers, L and C series skid steer loaders, B series backhoe loaders, W series wheel loaders, CX and CR series combine harvesters, BB and Roll-Belt series balers, Speedrower windrowers, Braud grape harvesters, SP series self-propelled sprayers, and FR series forage harvesters. It is also cross-referenced as Case IH 87401271.