{"product_id":"sporda-hc5345-seal-kit-for-seastar-hydraulic-steering","title":"SPORDA HC5345 Seal Kit for SeaStar HC Hydraulic Steering Cylinder — HS5157 wrench \u0026 O-rings","description":"\u003cp\u003e\u003cstrong\u003eSPORDA HC5345 Seal Kit is a complete replacement seal set engineered to restore SeaStar HC-Series hydraulic steering cylinders to leak-free operation, including the HS5157 pin wrench, two seal glands, and 16 corrosion-resistant O-rings in four sizes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen a SeaStar HC-Series hydraulic steering cylinder begins to leak or feel spongy, replacing worn seals with a matched kit extends cylinder life and keeps steering responsive. This SPORDA kit matches SeaStar HC-series cylinder specifications so you get the correct sizes and the single specialty tool required for disassembly. It’s intended strictly for SeaStar HC models — not for BayStar, Xtreme, or unrelated systems — so confirming your cylinder model number is essential before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eWhich SeaStar cylinders will this SPORDA kit fit?\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed for direct fitment to all SeaStar HC-series hydraulic steering cylinders listed by model number. It covers a broad range of HC models so you can service many common SeaStar cylinders without sourcing individual seals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with HC5340–HC5348, HC5358, HC5365, HC5375, HC5394, HC5445, and HC6750–HC6755.\u003c\/li\u003e\n  \u003cli\u003eVerify the cylinder model stamped on the housing before purchase.\u003c\/li\u003e\n  \u003cli\u003eNot compatible with BayStar, Xtreme, or non-SeaStar cylinders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat exactly is included in the SPORDA HC5345 Seal Kit?\u003c\/h3\u003e\n\u003cp\u003eThis kit supplies every seal and the specific pin wrench needed to remove and reassemble the SeaStar HC cylinder, so you won’t need specialist parts from multiple sources. The components are packaged to let you replace all internal seals during one service session.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 HS5157 pin wrench — the exact tool required for cylinder disassembly.\u003c\/li\u003e\n  \u003cli\u003e2 seal glands sized for SeaStar HC cylinders.\u003c\/li\u003e\n  \u003cli\u003e16 O-rings provided in four precision sizes for complete internal sealing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these seals perform under marine hydraulic conditions?\u003c\/h3\u003e\n\u003cp\u003eSPORDA O-rings are made from a corrosion-resistant rubber compound developed for saltwater hydraulic environments and repeated compression cycles. Parts are manufactured to tight micron tolerances and rated to withstand typical hydraulic pressures used in marine steering systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSeals rated for up to 3,000 PSI for leak-free performance under load.\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant compound preserves elasticity and resists saltwater degradation.\u003c\/li\u003e\n  \u003cli\u003eRecommended inspection\/replacement frequency: every two years or each boating season.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will this kit simplify a cylinder rebuild or maintenance job?\u003c\/h3\u003e\n\u003cp\u003eBy bundling all necessary O-rings, seal glands, and the HS5157 pin wrench, the kit eliminates guesswork and reduces downtime. Technicians and DIY boat owners can complete a full internal seal replacement without waiting for missing parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle purchase contains all internal seals needed for a complete service.\u003c\/li\u003e\n  \u003cli\u003eIncludes the pin wrench to safely open and reassemble the cylinder end cap.\u003c\/li\u003e\n  \u003cli\u003eWorks with standard hand tools; no special hydraulic tools required for seal replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The SPORDA HC5345 Seal Kit is for boat owners, fleet maintenance teams, and marine mechanics who service SeaStar HC-series hydraulic steering cylinders and want a single, OEM-fit replacement package. If you maintain or rebuild SeaStar HC cylinders and prefer ready-matched seals plus the exact disassembly tool, this kit streamlines repairs and restores cylinder reliability. Confirm your cylinder model number before ordering to ensure compatibility.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this kit work with BayStar or Xtreme steering?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The SPORDA HC5345 kit is designed only for SeaStar HC-series cylinders and is not compatible with BayStar or Xtreme systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include the tool needed to open the cylinder?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The package includes the HS5157 pin wrench required to disassemble SeaStar HC cylinder end caps.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SPORDA","offers":[{"title":"Default Title","offer_id":48020242989217,"sku":"B0FKLTTK19","price":69.79,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/6532\/5729\/files\/sporda-hc5345-front-packaging.jpg?v=1791293456","url":"https:\/\/canadiansporting.ca\/products\/sporda-hc5345-seal-kit-for-seastar-hydraulic-steering","provider":"Canadian Sporting","version":"1.0","type":"link"}