{"product_id":"boom-cylinder-seal-kit-707-99-67300-komatsu-pc400-6-pc450-6","title":"Boom Cylinder Seal Kit 707-99-67300 for Komatsu PC400 PC450 Excavator","description":"\u003ch1 data-section-id=\"xm4euj\" data-start=\"1481\" data-end=\"1506\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1483\" data-end=\"1506\"\u003eProduct Description\u003c\/strong\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp data-start=\"1508\" data-end=\"1545\"\u003e\u003cstrong data-start=\"1508\" data-end=\"1522\"\u003ePart Name:\u003c\/strong\u003e Boom Cylinder Seal Kit\u003c\/p\u003e\n\u003cp data-start=\"1547\" data-end=\"1579\"\u003e\u003cstrong data-start=\"1547\" data-end=\"1566\"\u003ePart Number(s):\u003c\/strong\u003e 707-99-67300\u003c\/p\u003e\n\u003cp data-start=\"1581\" data-end=\"1613\"\u003e\u003cstrong data-start=\"1581\" data-end=\"1605\"\u003eBrand Compatibility:\u003c\/strong\u003e Komatsu\u003c\/p\u003e\n\u003cp data-start=\"1615\" data-end=\"1652\"\u003e\u003cstrong data-start=\"1615\" data-end=\"1632\"\u003eMachine Type:\u003c\/strong\u003e Hydraulic Excavator\u003c\/p\u003e\n\u003cp data-start=\"1654\" data-end=\"1692\"\u003e\u003cstrong data-start=\"1654\" data-end=\"1668\"\u003eComponent:\u003c\/strong\u003e Boom Hydraulic Cylinder\u003c\/p\u003e\n\u003cp data-start=\"1694\" data-end=\"1718\"\u003e\u003cstrong data-start=\"1694\" data-end=\"1708\"\u003eCondition:\u003c\/strong\u003e Brand New\u003c\/p\u003e\n\u003cp data-start=\"1720\" data-end=\"1841\"\u003e\u003cstrong data-start=\"1720\" data-end=\"1733\"\u003eShipping:\u003c\/strong\u003e Fast worldwide shipping with secure packaging and reliable international delivery within 2–7 business days.\u003c\/p\u003e\n\u003cp data-start=\"1843\" data-end=\"2461\"\u003eThe \u003cstrong data-start=\"1847\" data-end=\"1886\"\u003e707-99-67300 Boom Cylinder Seal Kit\u003c\/strong\u003e is manufactured to OEM specifications for the \u003cstrong data-start=\"1933\" data-end=\"1960\"\u003eboom hydraulic cylinder\u003c\/strong\u003e fitted to selected \u003cstrong data-start=\"1980\" data-end=\"2044\"\u003eKomatsu PC400-6, PC400LC-6, PC450-6 and PC450LC-6 excavators\u003c\/strong\u003e. This complete hydraulic cylinder overhaul kit includes precision sealing components engineered to restore hydraulic sealing performance, maintain system pressure and eliminate internal and external hydraulic oil leakage. Manufactured from high-quality sealing materials for demanding construction, quarrying and mining environments, it helps extend cylinder service life and maintain dependable hydraulic operation.\u003c\/p\u003e\n\u003cp data-start=\"2463\" data-end=\"3004\"\u003eThe boom cylinder is responsible for raising and lowering the excavator boom during excavation, lifting and loading operations. Over time, exposure to high hydraulic pressures, heavy loads, contamination and continuous operating cycles causes the cylinder seals to wear. Damaged seals can result in hydraulic oil leakage, boom drift, reduced lifting force, slower boom response and internal pressure bypass. Replacing the complete seal kit restores sealing integrity, improves hydraulic efficiency and helps minimise costly machine downtime.\u003c\/p\u003e\n\u003cp data-start=\"3006\" data-end=\"3030\"\u003e\u003cstrong data-start=\"3006\" data-end=\"3030\"\u003eTypical Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3032\" data-end=\"3174\"\u003eConstruction • Earthmoving • Mining • Quarrying • Civil Infrastructure • Road Construction • Heavy Excavation • Demolition • Material Handling\u003c\/p\u003e\n\u003cp data-start=\"3176\" data-end=\"3195\"\u003e\u003cstrong data-start=\"3176\" data-end=\"3195\"\u003eCommon Symptoms\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3197\" data-end=\"3434\"\u003e\n\u003cli data-section-id=\"1akv3w5\" data-start=\"3197\" data-end=\"3243\"\u003eHydraulic oil leakage from the boom cylinder\u003c\/li\u003e\n\u003cli data-section-id=\"1t0sxul\" data-start=\"3244\" data-end=\"3272\"\u003eBoom drifting while raised\u003c\/li\u003e\n\u003cli data-section-id=\"wgerjj\" data-start=\"3273\" data-end=\"3299\"\u003eReduced lifting capacity\u003c\/li\u003e\n\u003cli data-section-id=\"r7g28n\" data-start=\"3300\" data-end=\"3331\"\u003eSlow boom raising or lowering\u003c\/li\u003e\n\u003cli data-section-id=\"5jk99x\" data-start=\"3332\" data-end=\"3368\"\u003eInternal hydraulic pressure bypass\u003c\/li\u003e\n\u003cli data-section-id=\"nxggrm\" data-start=\"3369\" data-end=\"3403\"\u003eDifficulty holding boom position\u003c\/li\u003e\n\u003cli data-section-id=\"jplmem\" data-start=\"3404\" data-end=\"3434\"\u003eReduced hydraulic efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3436\" data-end=\"3468\"\u003e\u003cstrong data-start=\"3436\" data-end=\"3468\"\u003eCross-Reference Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3470\" data-end=\"3503\"\u003e\u003cstrong data-start=\"3470\" data-end=\"3490\"\u003eOEM Part Number:\u003c\/strong\u003e 707-99-67300\u003c\/p\u003e\n\u003cp data-start=\"3600\" data-end=\"3621\"\u003e\u003cstrong data-start=\"3600\" data-end=\"3621\"\u003eCompatible Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3623\" data-end=\"3699\"\u003e\u003cstrong data-start=\"3623\" data-end=\"3648\"\u003eHydraulic Excavators:\u003c\/strong\u003e Komatsu PC400-6, PC400LC-6, PC450-6 and PC450LC-6.\u003c\/p\u003e\n\u003cp data-start=\"3701\" data-end=\"3717\"\u003e\u003cstrong data-start=\"3701\" data-end=\"3717\"\u003eFitment Note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3719\" data-end=\"4051\"\u003ePlease verify the OEM part number, machine model, serial number and boom hydraulic cylinder application before ordering. Komatsu may use different hydraulic cylinder configurations depending on machine serial number and production specification. Contact Imara Engineering Supplies if you require assistance confirming compatibility.\u003c\/p\u003e","brand":"Imara Engineering Supplies","offers":[{"title":"Default Title","offer_id":45129190736072,"sku":"707-99-67300","price":222.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0600\/5348\/7816\/files\/Boom_Cylinder_Seal_Kit_707-99-67300_for_Komatsu_PC400-6_PC400LC-6_PC450-6_PC450LC-6_Excavator5x.jpg?v=1784557091","url":"https:\/\/imaraengineeringsupplies.com\/products\/boom-cylinder-seal-kit-707-99-67300-komatsu-pc400-6-pc450-6","provider":"Imara Engineering Supplies","version":"1.0","type":"link"}