Track adjuster valve Kubota KX030-4 KX91-2 U27-4 M16 Thread Size RC101-21552 RC10121552 RC461-21550 RC46121550 M16 Thread Size 25mm Length Under Head 55mm Overall Length Fiment For M16 Thread Size MPN RC101-21552 Package Include:Grease Valve*1 Note:1. Please make sure it will fit your machine before purchasing it. If you are not 100% sure this is what you need, please find out your engine model, series number and contact our Customer-service. 2. Please check pictures for more details. 3. Communication is the best way to solve the problem. If you have any problems after you receive the package, please contact us in time, before opening a return or case. 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.