{"product_id":"komatsu-pc128uu-1-128us-1-138us-8-center-joint-seal-kit","title":"Komatsu PC128UU-1\/128US-1\/138US-8 Center Joint Seal Kit","description":"\u003cp\u003eCenter joint (swivel joint) seal kit for Komatsu PC128UU-1\/128US-1\/138US-8 series — stops cross-port leakage between upper structure and undercarriage.\u003c\/p\u003e\n\u003cp\u003eComplete radial and axial seal set for the rotary hydraulic swivel that passes oil from the upper structure to the travel motors and track adjusters. Cross-referenced to original Komatsu factory part numbers.\u003c\/p\u003e\n\u003cp\u003eKit contents:\u003cbr\u003e- Radial shaft seals (NBR\/PU)\u003cbr\u003e- Axial face seals\u003cbr\u003e- Static O-rings\u003cbr\u003e- PTFE back-up rings\u003cbr\u003e- Wiper \/ dust seals\u003c\/p\u003e\n\u003cp\u003eSymptoms of failure:\u003cbr\u003e- Sluggish or one-sided travel (often mistaken for motor failure)\u003cbr\u003e- External oil leak at swivel base\u003cbr\u003e- Cross-contamination between upper and lower hydraulic circuits\u003c\/p\u003e\n\u003cp\u003eDiagnostic tip: Cross-port leakage in the center joint often looks like pump or motor failure — but costs a fraction to fix. Always inspect the center joint before condemning expensive components.\u003c\/p\u003e\n\u003cp\u003eFits Komatsu PC128UU-1\/128US-1\/138US-8 series.\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":42759561117773,"sku":null,"price":26.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/1756\/8333\/files\/1_5262771e-d1ba-4720-b786-07136185b242.jpg?v=1772870098","url":"https:\/\/www.powersoon.ca\/products\/komatsu-pc128uu-1-128us-1-138us-8-center-joint-seal-kit","provider":"POWERSOON EQUIPMENT LTD.","version":"1.0","type":"link"}