Seller: digyanmar (2,971) 100%, Location: UK, Ships to: Worldwide, Item: 250438461989 Seal kit to fit B25V B30V B37V Boom Arm and Bucket Cylinders. The sale is for 1 kit , you choose with cylinder you want repaired and write a note when booking out so i know which set you need. B25V Bucket set 172441-72340 Arm set 172441-72420 Boom set 172441-72240 B30V Bucket 172184-99421 Arm 172441-72420 Boom 172184-99351 B37V Bucket 172443-72340 Arm 172441-72420 Boom 172185-99341 So remember you are buying 1 set and you choose which set you want Boom Arm or Bucket set. If you are replacing more than one set repeat above steps but book out 2 x kits or 3. Any trouble understanding the dribble i have written get in touch. These are exact copy parts that we have been selling for 3 years with no trouble. Bulk ordering get in touch.