Feature:1. OE Number: The tractor air liquid valve stem replacement part number is TR218A or TR618A for reference, please double check your original valve part number before purchasing.2. Powerful Function: The tractor tire brass valve stem allows air and liquid ballast to enter tire, reduce the occurrence of puncture accidents, delivering a more safe and comfortable driving experience.3. Sturdy Construction: The tractor air liquid tire valve is made of premium brass with sturdy structure, with heavy duty CH3 core housings, more dependable in using.4. Convenient Installation: The tractor air liquid valve stem is produced with high accuracy process for great fitness, you can directly replace your worn or leaky ones for time and effort saving.5. Good Replacement: The tractor tire brass valve stem is built to standards, designed to have the same form, fit and function as original, after extensive quality and safety testing, abiding in using.Specification:Item Type: Tractor Air Liquid ValveMaterial: BrassOE: TR218A or TR618A.Package List:10 xTractor Air Liquid ValveNote:1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!3. Manual measurement, the size has an error of 5mm.