{"product_id":"quicksilver-hydraulic-helm-steering-fluid-32-oz-bottle-mil-spec-h5606g-mercury-oem-grade","title":"Quicksilver Hydraulic Helm Steering Fluid, 32 oz Bottle — MIL‑SPEC H5606G, Mercury OEM-grade","description":"\u003cp\u003e\u003cstrong\u003eQuicksilver 858078Q01 Hydraulic Helm Steering Fluid is a 32-ounce, MIL-SPEC H5606G-compliant fluid formulated for non-powered hydraulic helm steering systems, including MerCruiser compact helms and bolt-on SeaStar® systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen steering responsiveness and system longevity matter, the right hydraulic fluid keeps moving parts lubricated, seals conditioned, and valves operating smoothly. This Quicksilver formula is produced to Mercury Marine OEM standards to support reliable steering performance in marine environments. Use it where your owner’s manual specifies H5606G or recommends Quicksilver hydraulic helm fluid to maintain designed operation and fitment.\u003c\/p\u003e\n\n\u003ch3\u003eWhich steering systems can use this fluid?\u003c\/h3\u003e\n\u003cp\u003eThis hydraulic helm steering fluid is intended for non-power hydraulic steering applications. It’s compatible with MerCruiser compact hydraulic helms and common bolt-on steering systems such as SeaStar® by Teleflex® when the manufacturer calls for H5606G-type fluids. Always confirm compatibility with your owner’s manual or OEM recommendations before topping off.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNon-powered hydraulic helm steering systems\u003c\/li\u003e\n  \u003cli\u003eMerCruiser compact hydraulic helms\u003c\/li\u003e\n  \u003cli\u003eBolt-on SeaStar® (Teleflex®) style systems when specified\u003c\/li\u003e\n  \u003cli\u003eSystems requiring MIL-SPEC H5606G or equivalent\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does it protect and preserve steering components?\u003c\/h3\u003e\n\u003cp\u003eThe formulation provides lubrication, helps prevent wear on valves and pistons, and supports seal pliability under marine conditions. By meeting OEM standards, it reduces the risk of premature component degradation and helps maintain predictable steering feel. Proper fluid selection and regular service intervals improve system reliability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLubricates moving parts to reduce friction and wear\u003c\/li\u003e\n  \u003cli\u003eHelps maintain seal flexibility and leak resistance\u003c\/li\u003e\n  \u003cli\u003eMinimizes foaming and cavitation for consistent response\u003c\/li\u003e\n  \u003cli\u003eManufactured to Mercury Marine OEM quality control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use and store this 32 oz bottle?\u003c\/h3\u003e\n\u003cp\u003eUse the bottle to fill or top off your helm reservoir according to the boat manufacturer’s procedure—bleed air from the system after service for accurate steering feel. Store the fluid tightly capped in a cool, dry place away from direct sunlight and extreme temperatures. Dispose of used fluid responsibly according to local regulations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTop off or replace fluid following OEM instructions\u003c\/li\u003e\n  \u003cli\u003eBleed air from the system after filling for proper operation\u003c\/li\u003e\n  \u003cli\u003eKeep the cap sealed; store in a cool, dry area out of sunlight\u003c\/li\u003e\n  \u003cli\u003eFollow local rules for used fluid disposal and recycling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat specifications and quality controls does it meet?\u003c\/h3\u003e\n\u003cp\u003eThis product meets Mil Spec H5606G and is produced to Mercury Marine original equipment specifications to support the performance of Mercury and Mariner outboards and MerCruiser sterndrives. Quicksilver’s long history in marine lubrication and parts development reflects rigorous testing and design standards. Choosing OEM-grade fluid reduces compatibility uncertainty when maintaining factory systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeets MIL-SPEC H5606G for hydraulic helm systems\u003c\/li\u003e\n  \u003cli\u003eProduced to Mercury Marine OEM specifications\u003c\/li\u003e\n  \u003cli\u003eDesigned for use with Mercury\/Mariner and MerCruiser systems\u003c\/li\u003e\n  \u003cli\u003eBacked by Quicksilver’s marine product development and testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Boaters, professional installers, and service technicians who maintain non-powered hydraulic helm steering systems will benefit from this Quicksilver fluid. It’s aimed at owners of Mercury\/Mariner outboards, MerCruiser sterndrives, and vessels using bolt-on steering units that require H5606G-type fluid—anyone seeking OEM-level compatibility and marine-tested performance. Always consult your equipment manual to confirm the correct fluid specification before use.\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: Is this fluid compatible with SeaStar hydraulic steering systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—use it in bolt-on SeaStar systems when the manufacturer specifies MIL-SPEC H5606G or equivalent; always confirm with your owner’s manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much fluid is in the Quicksilver 858078Q01 bottle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The package contains a 32-ounce bottle suitable for topping off or refilling small helm reservoirs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Quicksilver","offers":[{"title":"Default Title","offer_id":48086240919710,"sku":"B002IV4LP4","price":43.46,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/quicksilver-front-packaging-32oz.jpg?v=1785891457","url":"https:\/\/northtrailauto.ca\/products\/quicksilver-hydraulic-helm-steering-fluid-32-oz-bottle-mil-spec-h5606g-mercury-oem-grade","provider":"North Trail Auto","version":"1.0","type":"link"}