{"product_id":"quicksilver-80w-90-marine-gear-lube-32-oz-pack-of-6-premium-corrosion-water-resistant-protection","title":"Quicksilver 80W-90 Marine Gear Lube, 32 oz (Pack of 6) — Premium Corrosion \u0026 Water-Resistant Protection","description":"\u003cp\u003e\u003cstrong\u003eQuicksilver 80W-90 Premium Gear Lube is a marine-grade gear oil formulated to protect outboard lower units and gear cases (recommended for applications under 75hp) from wear, corrosion, and water-related damage.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned and tested to meet Mercury Marine OEM specifications, this 32 oz bottle of 80W-90 premium gear lube delivers dependable lubrication and corrosion resistance for outboard motors. It is engineered to help prevent failure when water enters the gear housing and to extend gear life under typical marine conditions. Sold in a pack of six, the formula is targeted at smaller outboards where reliability and proper viscosity are critical for smooth operation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this gear lube protect lower units from corrosion and pitting?\u003c\/h3\u003e\n\u003cp\u003eThe formulation includes corrosion inhibitors and anti-wear additives that cling to gear surfaces and form a protective film, reducing metal-to-metal contact and limiting rust and pitting when moisture is present. Extensive marine testing verifies its resistance to saltwater and freshwater exposure typical of boating environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContains corrosion inhibitors that reduce oxidation on internal components\u003c\/li\u003e\n  \u003cli\u003eAnti-wear additives lower friction under load\u003c\/li\u003e\n  \u003cli\u003eTested for water intrusion scenarios common to lower units\u003c\/li\u003e\n  \u003cli\u003eMeets Mercury Marine OEM protection standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this the right viscosity and fit for my small outboard?\u003c\/h3\u003e\n\u003cp\u003eYes — the 80W-90 viscosity is recommended for many outboard gear cases and lower units, especially in applications under 75 horsepower. It balances thickness for pressure protection with flowability at operating temperatures so gears stay lubricated without excess drag.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e80W-90 viscosity suitable for most small outboards\u003c\/li\u003e\n  \u003cli\u003eSpecified for gear cases below 75 hp\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for Mercury Marine 858058K01\u003c\/li\u003e\n  \u003cli\u003eSupplied in convenient 32 oz bottles (pack of 6)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat happens if water enters the gear housing — will this oil help?\u003c\/h3\u003e\n\u003cp\u003eThis premium gear lube contains additives designed to maintain gear protection even after limited water intrusion. While preventing all water entry is best practice, the formula helps limit damage and reduce the risk of corrosion-related failures should water reach internal parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdditives help protect gears during temporary water exposure\u003c\/li\u003e\n  \u003cli\u003eFormulated to reduce wear and pitting caused by moisture\u003c\/li\u003e\n  \u003cli\u003eExtensively tested for marine-specific contamination scenarios\u003c\/li\u003e\n  \u003cli\u003eProvides extra defense compared with standard automotive gear oils\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use and store Quicksilver 80W-90 gear lube?\u003c\/h3\u003e\n\u003cp\u003eUse this oil to fill or top up outboard lower units according to your engine manufacturer’s capacity and service intervals. Store bottles upright in a cool, dry place away from direct sunlight and seal tightly to avoid contamination.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow your outboard’s service manual for fill volumes and procedures\u003c\/li\u003e\n  \u003cli\u003eReplace lower unit seals and drain plugs as recommended when servicing\u003c\/li\u003e\n  \u003cli\u003eKeep containers sealed and store off the deck to prevent spills\u003c\/li\u003e\n  \u003cli\u003ePack of six 32 oz bottles gives spares for seasonal maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Boaters, marine mechanics, and service shops running outboards under 75 hp who need Mercury Marine OEM-level protection will benefit from Quicksilver 80W-90 Premium Gear Lube. It’s ideal for owners who prioritize long-term gear life, reliable corrosion resistance, and a product developed specifically for marine conditions by a brand with decades of industry experience.\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: Can I use this oil in larger outboards over 75 hp?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This product is engineered for outboards below 75 hp; consult your engine manufacturer for recommended lubricants for larger engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Quicksilver 80W-90 a direct replacement for Mercury part 858058K01?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it is formulated as a direct replacement for Mercury Marine part 858058K01 and meets OEM specifications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Quicksilver","offers":[{"title":"Default Title","offer_id":48087367647390,"sku":"B0039001TI","price":34.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/quicksilver-bottle-front-packaging.jpg?v=1785921983","url":"https:\/\/northtrailauto.ca\/products\/quicksilver-80w-90-marine-gear-lube-32-oz-pack-of-6-premium-corrosion-water-resistant-protection","provider":"North Trail Auto","version":"1.0","type":"link"}