{"product_id":"arm-cylinder-seal-kit-707-99-69780-7079969780-komatsu","title":"Arm Cylinder Seal Kit 707-99-69780 \/7079969780 for Komatsu","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"984\" data-start=\"959\" data-section-id=\"xm4euj\"\u003e\n\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"984\" data-start=\"961\"\u003eProduct Description\u003c\/strong\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp data-end=\"1022\" data-start=\"986\"\u003e\u003cstrong data-end=\"1000\" data-start=\"986\"\u003ePart Name:\u003c\/strong\u003e Arm Cylinder Seal Kit\u003c\/p\u003e\n\u003cp data-end=\"1056\" data-start=\"1024\"\u003e\u003cstrong data-end=\"1043\" data-start=\"1024\"\u003ePart Number(s):\u003c\/strong\u003e 707-99-69780\u003c\/p\u003e\n\u003cp data-end=\"1090\" data-start=\"1058\"\u003e\u003cstrong data-end=\"1082\" data-start=\"1058\"\u003eBrand Compatibility:\u003c\/strong\u003e Komatsu\u003c\/p\u003e\n\u003cp data-end=\"1132\" data-start=\"1092\"\u003e\u003cstrong data-end=\"1109\" data-start=\"1092\"\u003eMachine Type:\u003c\/strong\u003e Construction Equipment\u003c\/p\u003e\n\u003cp data-end=\"1179\" data-start=\"1134\"\u003e\u003cstrong data-end=\"1148\" data-start=\"1134\"\u003eComponent:\u003c\/strong\u003e Arm (Stick) Hydraulic Cylinder\u003c\/p\u003e\n\u003cp data-end=\"1205\" data-start=\"1181\"\u003e\u003cstrong data-end=\"1195\" data-start=\"1181\"\u003eCondition:\u003c\/strong\u003e Brand New\u003c\/p\u003e\n\u003cp data-end=\"1328\" data-start=\"1207\"\u003e\u003cstrong data-end=\"1220\" data-start=\"1207\"\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-end=\"1953\" data-start=\"1330\"\u003eThe \u003cstrong data-end=\"1372\" data-start=\"1334\"\u003e707-99-69780 Arm Cylinder Seal Kit\u003c\/strong\u003e is manufactured to OEM specifications for the \u003cstrong data-end=\"1453\" data-start=\"1419\"\u003earm (stick) hydraulic cylinder\u003c\/strong\u003e used on selected \u003cstrong data-end=\"1505\" data-start=\"1471\"\u003eKomatsu construction equipment\u003c\/strong\u003e. This complete hydraulic cylinder overhaul kit includes precision-engineered rod seals, piston seals, wear rings, guide rings, backup rings, O-rings and dust seals designed to restore hydraulic sealing performance, eliminate hydraulic oil leakage and maintain correct operating pressure. Manufactured from high-quality sealing materials, it provides reliable service life under demanding construction, mining, quarrying and earthmoving conditions.\u003c\/p\u003e\n\u003cp data-end=\"2534\" data-start=\"1955\"\u003eThe arm hydraulic cylinder controls the movement of the excavator stick, allowing precise extension and retraction during excavation, trenching, grading and material handling. Continuous exposure to heavy loads, high hydraulic pressures and abrasive environments gradually wears the cylinder seals. Worn or damaged seals can lead to hydraulic oil leakage, stick drift, reduced digging force, sluggish arm movement and internal pressure loss. Replacing the complete seal kit restores hydraulic efficiency, protects the cylinder assembly and helps minimise costly machine downtime.\u003c\/p\u003e\n\u003cp data-end=\"2560\" data-start=\"2536\"\u003e\u003cstrong data-end=\"2560\" data-start=\"2536\"\u003eTypical Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2704\" data-start=\"2562\"\u003eConstruction • Earthmoving • Mining • Quarrying • Civil Infrastructure • Road Construction • Heavy Excavation • Demolition • Material Handling\u003c\/p\u003e\n\u003cp data-end=\"2725\" data-start=\"2706\"\u003e\u003cstrong data-end=\"2725\" data-start=\"2706\"\u003eCommon Symptoms\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2978\" data-start=\"2727\"\u003e\n\u003cli data-end=\"2772\" data-start=\"2727\" data-section-id=\"5shgn8\"\u003eHydraulic oil leakage from the arm cylinder\u003c\/li\u003e\n\u003cli data-end=\"2806\" data-start=\"2773\" data-section-id=\"m01rzp\"\u003eStick drifting during operation\u003c\/li\u003e\n\u003cli data-end=\"2830\" data-start=\"2807\" data-section-id=\"c9ipcs\"\u003eReduced digging force\u003c\/li\u003e\n\u003cli data-end=\"2865\" data-start=\"2831\" data-section-id=\"qc5y9m\"\u003eSlow arm extension or retraction\u003c\/li\u003e\n\u003cli data-end=\"2902\" data-start=\"2866\" data-section-id=\"5jk99x\"\u003eInternal hydraulic pressure bypass\u003c\/li\u003e\n\u003cli data-end=\"2940\" data-start=\"2903\" data-section-id=\"199jxlx\"\u003eDifficulty maintaining arm position\u003c\/li\u003e\n\u003cli data-end=\"2978\" data-start=\"2941\" data-section-id=\"17ccprf\"\u003eReduced hydraulic system efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"3012\" data-start=\"2980\"\u003e\u003cstrong data-end=\"3012\" data-start=\"2980\"\u003eCross-Reference Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3047\" data-start=\"3014\"\u003e\u003cstrong data-end=\"3034\" data-start=\"3014\"\u003eOEM Part Number:\u003c\/strong\u003e 707-99-69780\u003cstrong data-end=\"3082\" data-start=\"3049\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3165\" data-start=\"3144\"\u003e\u003cstrong data-end=\"3165\" data-start=\"3144\"\u003eCompatible Models\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3273\" data-start=\"3167\"\u003e\u003cstrong data-end=\"3194\" data-start=\"3167\"\u003eConstruction Equipment:\u003c\/strong\u003e Compatible with selected Komatsu machines using OEM seal kit \u003cstrong data-end=\"3272\" data-start=\"3256\"\u003e707-99-69780\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"3291\" data-start=\"3275\"\u003e\u003cstrong data-end=\"3291\" data-start=\"3275\"\u003eFitment Note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"3623\" data-start=\"3293\"\u003ePlease verify the OEM part number, machine model, serial number and \u003cstrong data-end=\"3396\" data-start=\"3361\"\u003earm hydraulic cylinder assembly\u003c\/strong\u003e before ordering. Komatsu may use different arm cylinder configurations depending on the machine model, production series and serial number. Contact Imara Engineering Supplies if you require assistance confirming compatibility.\u003c\/p\u003e","brand":"Imara Engineering Supplies","offers":[{"title":"Default Title","offer_id":45129191522504,"sku":"707-99-69780","price":210.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0600\/5348\/7816\/files\/Bucket_Cylinder_Seal_Kit_707-99-66380_for_Komatsu_WA430-6_Wheel_Loader.png?v=1784749445","url":"https:\/\/imaraengineeringsupplies.com\/products\/arm-cylinder-seal-kit-707-99-69780-7079969780-komatsu","provider":"Imara Engineering Supplies","version":"1.0","type":"link"}