{"product_id":"seastar-hs5157-front-seal-kit-for-pivot-compact-hydraulic-cylinders-includes-wrench-guide","title":"SeaStar HS5157 Front Seal Kit for Pivot \u0026 Compact Hydraulic Cylinders — Includes Wrench \u0026 Guide","description":"\u003cb\u003eSeaStar HS5157 Seal Kit is a complete front-seal replacement set for SeaStar pivot and compact hydraulic cylinders, including two seal glands, a pin wrench and a seal gland assembly guide tool.\u003c\/b\u003e\n\n\u003cp\u003eIf you need to service or rebuild a SeaStar front-mount or pivot hydraulic cylinder, the HS5157 kit supplies the specific parts and tools to replace worn front seal glands quickly and correctly. The kit covers a wide range of SeaStar cylinder models (including several Honda- and OMC-specific pivot cylinders) and arrives ready for installation with a pin wrench and an assembly guide that helps align and seat the seals properly.\u003c\/p\u003e\n\n\u003ch3\u003eWhich SeaStar cylinders work with this HS5157 seal kit?\u003c\/h3\u003e\n\u003cp\u003eThe HS5157 seal kit is designed for many SeaStar front-mount and pivot cylinders, old and current. It fits model numbers across compact and pivot styles, plus a few manufacturer-specific pivot cylinders used by Honda and OMC.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: HC5340, HC5341, HC5342, HC5343, HC5344, HC5345, HC5346, HC5347, HC5348, HC5358, HC5365, HC5375, HC5394, HC5445, HC6750–HC6755.\u003c\/li\u003e\n  \u003cli\u003eIncludes parts for threaded end-gland and compact cylinder variants where applicable.\u003c\/li\u003e\n  \u003cli\u003eHC5347 is listed for Honda 115–130-specific pivot cylinders; HC5348 for OMC 77–90-specific units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat exactly comes in the HS5157 kit and why each item matters?\u003c\/h3\u003e\n\u003cp\u003eHS5157 contains the replacement seal glands plus two service tools that streamline removal and correct reassembly. These components reduce the chance of improper seating and leaking after the repair.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo seal glands — replace worn or damaged front seals to restore hydraulic sealing.\u003c\/li\u003e\n  \u003cli\u003ePin wrench — fits gland flats to loosen or tighten the seal gland without damage.\u003c\/li\u003e\n  \u003cli\u003eSeal gland assembly guide tool — holds seals and glands aligned during installation for correct seating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will installing this kit affect performance and maintenance?\u003c\/h3\u003e\n\u003cp\u003eReplacing deteriorated front seals with the HS5157 kit helps stop external leaks and prevents contaminants from entering the cylinder. Using the included tools speeds the job and reduces the risk of cross-threading or misaligned seals that cause recurring failures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStops external fluid leaks that reduce steering responsiveness and create mess.\u003c\/li\u003e\n  \u003cli\u003eRestores correct gland compression and seal alignment for longer service life.\u003c\/li\u003e\n  \u003cli\u003eTools reduce installation time and avoid damage from improvised tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there any installation notes or compatibility tips I should know?\u003c\/h3\u003e\n\u003cp\u003eFollow SeaStar torque and assembly recommendations for your specific cylinder model. Clean the cylinder bore thoroughly before installing new seals, and verify cylinder threads and ports for wear or corrosion that might need attention prior to assembly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect cylinder rod and bore; replace or polish if pitting or scoring is present.\u003c\/li\u003e\n  \u003cli\u003eUse proper hydraulic fluid and bleed the system after reassembly per manufacturer procedure.\u003c\/li\u003e\n  \u003cli\u003eKeep parts clean and lubricate seals lightly with compatible fluid before fitting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The HS5157 seal kit is aimed at marine mechanics, DIY boat owners and professional service shops that maintain SeaStar steering systems. If you own or service boats equipped with compatible SeaStar pivot or compact cylinders and need a reliable front-seal replacement kit that includes the correct installation tools, this HS5157 kit is a practical, OEM-compatible option to restore sealing performance and extend cylinder life.\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: Does HS5157 include seals for both sides of the cylinder?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: HS5157 supplies the front seal glands used on front-mount\/pivot cylinders; rear seals are not included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will HS5157 fit HC5347 and HC5348 pivot cylinders?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. HS5157 lists compatibility for HC5347 (Honda 115–130) and HC5348 (OMC 77–90) pivot cylinders.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SeaStar","offers":[{"title":"Default Title","offer_id":55170985263447,"sku":"B001449P70","price":192.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/seastar-hs5157-front-packaging.jpg?v=1790436340","url":"https:\/\/britishgarage.co.uk\/products\/seastar-hs5157-front-seal-kit-for-pivot-compact-hydraulic-cylinders-includes-wrench-guide","provider":"British Garage","version":"1.0","type":"link"}