2" For Donaldson Vacuator Valve Air Cleaner Filter Cap Check P158914 Part Name: Air Cleaner Valve Part Number: P158914 R48568 A184597 6666378 ID:2" Applications: For Donaldson Models For Bobcat Loader(s): 463, 751, 863, 864, 873, 883, A220, A300, S250, S450, T200 For Bobcat Excavator(s): 331, 334, 337, 341, 430, 435, E42, E45, E50, E55 For Bobcat Work Machine(s): 5600, 5610 MPN P158914 R48568 6666378 Package Include:Dust Unloader Valve x1 Note:This is an aftermarket replacement part. Please compare its appearance, shape and size with your original unit and make sure that it can fit your machine before ordering. The original packaging of the item may have been contaminated by the store due to storage, but the item itself is provided in a new state that has not been previously installed. Usually, we will complete the order shipment within 3 working days. But due to different warehouse locations, there may be time differences. If you haven't received the package for a long time after it was sent out, please communicate with us first,We will do our best to solve your problem. You can contact our customer service team before or after sales, and they will be happy to provide assistance.