{"product_id":"21p-63-03120k-arm-cylinder-seal-kit-fits-komatsu-pc150-6k-pc160-6k","title":"21P-63-03120K Arm Cylinder Seal Kit Fits Komatsu PC150-6K PC160-6K","description":"\u003ch3\u003eOne New Aftermarket Replacement Arm Cylinder Seal Kit for Komatsu Excavators\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement arm cylinder seal kit rebuilds the hydraulic arm (stick) cylinder on Komatsu PC150-6K, PC150LC-6K, and PC160-6K excavators. The kit is designed for the cylinder assembly number 21P-63-03120, fitting machines with serial numbers K30198 and up on the PC160-6K. It contains all seals required to restore a leaking arm cylinder to proper working condition.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRod Diameter: 85 mm\u003c\/li\u003e\n\u003cli\u003eBore Diameter: 120 mm\u003c\/li\u003e\n\u003cli\u003eKit Contents: Wiper seal, 2-piece U-cup, 4-piece rod seal, 2-piece wear band, T-seal, 4-piece O-ring, 5-piece backup seals\u003c\/li\u003e\n\u003cli\u003eCylinder Application: Arm (stick) cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eKomatsu Excavators:\u003c\/strong\u003e PC150-6K, PC150LC-6K, PC160-6K\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e For PC160-6K, this kit applies to serial numbers K30198 and up (cylinder #21P-63-03120). PC160-6K units with serial numbers K30001-K30197 use a different arm cylinder assembly. Verify your serial number before ordering.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e21P-63-03120K, 21P-63-03120K-A\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003eHYI40-0931\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":39870432346195,"sku":"HYI40-0931","price":113.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/StockSealKit_9b1718fb-8522-49b8-8985-12ed6b062e45.jpg?v=1757667593","url":"https:\/\/www.reliableaftermarketparts.com\/products\/21p-63-03120k-arm-cylinder-seal-kit-fits-komatsu-pc150-6k-pc160-6k","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}