{"product_id":"707-99-73140-komatsu","title":"707-99-73140 Dump Cylinder Seal Kit For Komatsu WA420-3 | Ruijueparts","description":"\u003ch1 data-path-to-node=\"6\"\u003eProduct Description\u003c\/h1\u003e\n\u003cp data-path-to-node=\"6\"\u003eLooking for a reliable aftermarket solution to restore your loader's hydraulic performance? This high-quality 707-99-73140 Dump Cylinder Seal Kit is precision-engineered to fit Komatsu WA420-3 wheel loaders. Built for demanding heavy-duty operations, the kit features premium Polyurethane (PU) rod seals, wear-resistant NBR O-rings, and heat-stabilized PTFE backup rings that ensure zero leakage under high pressure. At Ruijueparts, we specialize in non-OEM aftermarket replacement parts, matching original performance without the premium cost. With access to our extensive technical database of over 30,000 part numbers, we help you identify the exact seal kit you need. Whether you require standard neutral packaging or tailored custom branding, we provide flexible options to keep your heavy machinery running smoothly.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"6\"\u003eItem specifics\u003c\/h2\u003e\n\u003ctable width=\"100%\" style=\"width: 100.088%; height: 251.125px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.7188%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.8534%; height: 19.5938px;\"\u003e707-99-73140\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.7188%; height: 19.5938px;\"\u003e\u003cstrong\u003eFits Models:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.8534%; height: 19.5938px;\"\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003cmeta charset=\"utf-8\"\u003eWA420-3\u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.7188%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.8534%; height: 19.5938px;\"\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eKOMATSU replacement\u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 33.7188%; height: 39.1875px;\"\u003e\u003cstrong\u003eType:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.8534%; height: 39.1875px;\"\u003e\n\u003cdiv\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 133.562px;\"\u003e\n\u003ctd style=\"width: 33.7188%; height: 133.562px;\"\u003e\u003cstrong\u003e \u003cspan data-path-to-node=\"3,9,1,0\"\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.8534%; height: 133.562px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eOptimize your hydraulic maintenance with the heavy-duty 707-99-73140 tilt cylinder repair solution. This aftermarket kit is engineered to rebuild, reseal, and restore the bucket dump mechanism on Komatsu WA420-3 wheel loaders (Serial Numbers 15055 and up). It also provides cross-model standardization for heavy fleet maintenance on WA400-3, WA450-3, WA470-3 loaders, and WF450 compactors.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.7188%; height: 19.5938px;\"\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.8534%; height: 19.5938px;\"\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eStandard Size\u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca data-encoded-attr-charset=\"dXRmLTg=\" data-encoded-tag-value=\"\" data-encoded-tag-name=\"meta\"\u003e\u003cspan\u003e\u003cstrong\u003eQ1: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cstrong\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"dXRmLTg=\"\u003e\u003c\/a\u003eIs this an original OEM Komatsu seal kit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e \u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"dXRmLTg=\"\u003e\u003c\/a\u003eNo, this is a premium aftermarket replacement seal kit manufactured to meet or exceed original equipment specifications. Ruijueparts is an independent supplier of high-quality aftermarket parts and is not an authorized dealer for Komatsu.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca data-encoded-attr-charset=\"dXRmLTg=\" data-encoded-tag-value=\"\" data-encoded-tag-name=\"meta\"\u003e\u003cspan\u003e\u003cstrong\u003eQ2: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cstrong\u003e\u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"dXRmLTg=\"\u003e\u003c\/a\u003eWill this kit fit the lift (boom) cylinders on my WA420-3 loader?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e \u003ca data-encoded-tag-name=\"meta\" data-encoded-tag-value=\"\" data-encoded-attr-charset=\"dXRmLTg=\"\u003e\u003c\/a\u003eNo, part number 707-99-73140 is specifically designed for the Bucket Tilting (Dump) Cylinder. If you are servicing the main loader arm lift cylinders, you will need part number 707-99-64130.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca data-encoded-attr-charset=\"dXRmLTg=\" data-encoded-tag-value=\"\" data-encoded-tag-name=\"meta\"\u003e\u003cspan\u003e\u003cstrong\u003eQ3: What if I have an older model or am unsure about the cross-reference part number?\u003cbr\u003eA: \u003c\/strong\u003eWe’ve got you covered! Ruijueparts maintains a technical cross-reference database with over 30,000 part numbers. Simply provide us with your equipment model and serial number, and our team will verify the correct kit. We also offer custom seal configurations for vintage or modified legacy machinery.\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RuiJueParts","offers":[{"title":"Default Title","offer_id":51762783584487,"sku":"707-99-73140","price":24.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5251\/9399\/files\/7079973140_seal.jpg?v=1779784329","url":"https:\/\/www.ruijueparts.com\/products\/707-99-73140-komatsu","provider":"RuiJueParts","version":"1.0","type":"link"}