{"product_id":"komatsu-120mm-4-72-steel-piston-ring","title":"Komatsu 120mm (4.72\") Steel Piston Ring","description":"\u003cp\u003eHardened steel piston wear ring for Komatsu 120mm (4.72\") hydraulic cylinders — restores concentric piston travel and prevents side-loading damage to seals.\u003c\/p\u003e\n\u003cp\u003eReplacement wear band for the piston-to-bore interface on boom, arm, or bucket cylinders. Manufactured to OEM dimensions and hardness for proper press-fit and long service life.\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003cbr\u003e- Material: Hardened steel (HRC 58–62)\u003cbr\u003e- Bore size matched to OEM\u003cbr\u003e- Width matched to OEM\u003cbr\u003e- Cross-referenced to original Komatsu factory part numbers\u003c\/p\u003e\n\u003cp\u003eWhen to replace:\u003cbr\u003e- Visible scoring or wear on the existing ring\u003cbr\u003e- Piston rocking or off-center contact during stroke\u003cbr\u003e- Premature seal failure caused by piston mis-alignment\u003c\/p\u003e\n\u003cp\u003eFits Komatsu 120mm (4.72\") cylinder series (verify bore size before ordering).\u003c\/p\u003e\n\u003cp\u003eStocked in Surrey, BC. Same-day dispatch on orders placed before 2 PM PST.\u003c\/p\u003e","brand":"PowerSoon Equipment Ltd.","offers":[{"title":"Default Title","offer_id":42669556564045,"sku":null,"price":11.62,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1756\/8333\/files\/VB0A2572.jpg?v=1770884707","url":"https:\/\/www.powersoon.ca\/products\/komatsu-120mm-4-72-steel-piston-ring","provider":"POWERSOON EQUIPMENT LTD.","version":"1.0","type":"link"}