{"product_id":"fit-koyker-seal-kit-replacement-for-cyl-with-1-3-4-bore-1-rod-k663304","title":"Fit Koyker Seal Kit Replacement for cyl \/ with 1-3\/4\" bore \u0026 1\" Rod K663304","description":"\u003ch2\u003eSeal Kit for Koyker\u003c\/h2\u003e\u003cp\u003eThis seal kit is a replacement for Koyker cylinders with a 1-3\/4\" bore and 1\" rod, designed to rebuild hydraulic cylinders. It replaces OEM cross-reference K663304 and restores sealing performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis seal kit for Koyker is a complete set of seals and o-rings for a 1-3\/4\" bore and 1\" rod cylinder. It is intended to stop leaks and restore pressure in hydraulic cylinders, serving as a direct replacement for K663304.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes all necessary seals, o-rings, and wipers for a full cylinder rebuild.\u003c\/li\u003e\n\u003cli\u003eFormulated to handle hydraulic fluid under high pressure.\u003c\/li\u003e\n\u003cli\u003ePrecision-sized for the 1-3\/4\" bore and 1\" rod application.\u003c\/li\u003e\n\u003cli\u003eEngineered for longevity to match OEM specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Koyker cylinders with 1-3\/4\" bore\u003c\/li\u003e\n\u003cli\u003efor Koyker cylinders with 1\" rod\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRestores lift and curl function on front-end loaders.\u003c\/li\u003e\n\u003cli\u003eSuitable for repairing leaky hydraulic tilt cylinders.\u003c\/li\u003e\n\u003cli\u003eUsed in maintenance to prevent hydraulic fluid loss.\u003c\/li\u003e\n\u003cli\u003eReplace worn seals during regular equipment service intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRod Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eK663304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does a seal kit do? \u003cstrong\u003eA:\u003c\/strong\u003e A seal kit replaces worn rubber components inside a hydraulic cylinder, stopping fluid leaks and maintaining pressure. Rebuilding with this kit can extend the cylinder's service life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know this fits my cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e Verify your cylinder's bore and rod measurements are 1-3\/4\" and 1\" respectively, and check for the K663304 cross-reference. Fit can vary by serial number, so always confirm before ordering.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Part Outfitters","offers":[{"title":"Default Title","offer_id":46612082983098,"sku":"ZZ3F03693","price":50.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/2476\/1786\/files\/s-l1600_79070945-1bc8-462c-a35b-33d7fdcd7352.jpg?v=1789014633","url":"https:\/\/partoutfitters.com\/products\/fit-koyker-seal-kit-replacement-for-cyl-with-1-3-4-bore-1-rod-k663304","provider":"Part Outfitters","version":"1.0","type":"link"}