{"product_id":"sierra-hi-performance-synthetic-blend-lower-unit-gear-lube-available-in-10-oz-to-5-gallon-plus-pump-kit","title":"Sierra Hi-Performance Synthetic Gear Lube - Available in 10 Oz Tube to 5 Gallon","description":"\u003cp\u003eSierra Hi-Performance Gear Lube is a synthetically blended marine gear lubricant engineered to reduce operating friction and protect gears, bearings, and other lower unit components. It is GL-5 rated and formulated for high performance and high load operating conditions in both outboard and I\/O lower units, designed to surpass the performance of the original equipment Hi-Performance gear lubricants it replaces. The same synthetic blend chemistry is offered across four package sizes so boaters and technicians can buy the format that matches the job at hand: a 10 ounce tube for a small top-off, a quart bottle sized for a standard lower-unit gear case change, a quart pump kit that bundles the gear lube with a pump and adapters for cleaner, no-mess application, and a 5 gallon container for shops and high-volume service work. The quart size is built to replace Mercury (Quicksilver) Hi-Performance Blend, OMC (System Matched) Ultra-HPF Blend, and Yamaha (Yamalube) LUB-GEARL-11-00 gear lubricants. Whichever size is selected, the lubricant meets GL-5\/SAE 20W viscosity requirements for demanding marine gear case service.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-9650\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Lower Unit Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViscosity Rating:\u003c\/strong\u003e GL-5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE Viscosity Grade:\u003c\/strong\u003e 20W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Synthetic Blend\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Form:\u003c\/strong\u003e Liquid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Use:\u003c\/strong\u003e High performance and high load outboard and I\/O lower units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Cross-Reference:\u003c\/strong\u003e Mercury 92-858064Q01 (Quart size), Mercury 92-858008Q01 (5 Gallon size)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e 10 Ounce Tube, Quart, Quart Pump Kit, 5 Gallon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSizes \u0026amp; Options\u003c\/h3\u003e\u003cp\u003eThis line is sold by Size. Pick the 10 Ounce Tube for topping off a lower unit between changes, the Quart for a complete standard lower-unit gear case fill, the Quart Pump Kit if you want the gear lube packaged with a pump and adapters for a cleaner fill, or the 5 Gallon container for shops and boaters servicing multiple units.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is Sierra Hi-Performance Gear Lube used for?\u003c\/strong\u003e It is a synthetic blend marine gear lubricant used in outboard and I\/O lower units, where it reduces operating friction and protects gears, bearings, and other gear case components under high performance and high load conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this gear lube GL-5 rated?\u003c\/strong\u003e Yes, Sierra Hi-Performance Gear Lube is GL-5 rated with an SAE 20W viscosity grade, meeting the specification level required for demanding marine gear case applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich size should I buy for a lower unit service?\u003c\/strong\u003e For a full lower-unit gear case change, the Quart size is the standard fill volume; use the 10 Ounce Tube only for topping off, and choose the 5 Gallon container if you are servicing multiple units or run a shop.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does the Quart Pump Kit include?\u003c\/strong\u003e The Quart Pump Kit (SIE-18-9650-2QP) bundles a quart of Sierra Hi-Performance Gear Lube with a pump and adapters, allowing the gear case to be filled without a separate application tool.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this gear lube replace Mercury Hi-Performance gear lubricant?\u003c\/strong\u003e Yes, the Quart size gear lube is built to replace Mercury (Quicksilver) Hi-Performance Blend, and the Mercury OEM number it replaces is 92-858064Q01.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a cross-reference number for the 5 Gallon size?\u003c\/strong\u003e The 5 Gallon container of Sierra Hi-Performance Gear Lube replaces Mercury 92-858008Q01.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this gear lube also replace OMC or Yamaha gear lubricants?\u003c\/strong\u003e The Quart size is designed to replace OMC (System Matched) Ultra-HPF Blend and Yamaha (Yamalube) LUB-GEARL-11-00 in addition to the Mercury equivalent.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs Sierra Hi-Performance Gear Lube synthetic?\u003c\/strong\u003e It is a synthetically blended formulation, not a conventional mineral gear oil, which is part of how it reduces operating friction versus standard gear lubricants.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan this gear lube be used in both outboard and I\/O lower units?\u003c\/strong\u003e Yes, Sierra Hi-Performance Gear Lube is formulated for use in high performance and high load operating conditions in both outboard and I\/O lower units.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is the 10 Ounce Tube packaged?\u003c\/strong\u003e The 10 Ounce size ships as a tube, sized for topping off a gear case rather than a full fluid change.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this an OEM or aftermarket gear lube?\u003c\/strong\u003e Sierra Hi-Performance Gear Lube is an aftermarket formulation engineered to surpass the performance of the original equipment Hi-Performance gear lubricants it cross-references to, such as the Mercury 92-858064Q01 and 92-858008Q01 equivalents.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat comes in the box with the Quart Pump Kit?\u003c\/strong\u003e The SIE-18-9650-2QP kit contains one quart of Sierra Hi-Performance Gear Lube along with a pump and the adapters needed to apply it to a lower unit gear case.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"10 Ounce","offer_id":48988062810331,"sku":"SIE-18-9650-0","price":10.91,"currency_code":"USD","in_stock":true},{"title":"Quart","offer_id":48988062843099,"sku":"SIE-18-9650-2","price":14.99,"currency_code":"USD","in_stock":true},{"title":"Quart Pump Kit","offer_id":48988062875867,"sku":"SIE-18-9650-2QP","price":30.62,"currency_code":"USD","in_stock":true},{"title":"5 Gallon","offer_id":48988062908635,"sku":"SIE-18-9650-5","price":243.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/118-9650-2_NEW__20678.1753840710.500.750.jpg?v=1785189108","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-hi-performance-synthetic-blend-lower-unit-gear-lube-available-in-10-oz-to-5-gallon-plus-pump-kit","provider":"Good Vibes Marina","version":"1.0","type":"link"}