{"product_id":"polaris-1-gallon-ps-4-full-synthetic-oil-5w-50-engine-protection","title":"Polaris 1 Gallon PS-4 Full Synthetic Oil 5W-50 - Engine Protection","description":"\u003cp\u003eOur review of the Polaris PS-4 1 gallon jug finds it best suited for owners of Polaris 4-cycle machines who want a single, dependable oil for year-round use. The bottom line: this is the same full synthetic formula formerly sold as PS-4 PLUS, now engineering approved for Polaris 4-cycle engines, and it delivers reliable cold start performance plus high-temperature stability in one bottle. For riders who value long gear life and extra rust and corrosion protection, this oil provides a clear maintenance benefit without guesswork.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eFull synthetic, all-season formula:\u003c\/strong\u003e Provides consistent viscosity and protection from cold starts through hot running conditions so the engine is protected across seasons.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEngineering approved for Polaris engines:\u003c\/strong\u003e Meets Polaris requirements for modern 4-cycle designs, giving confidence that the oil is suitable for OEM applications.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eExclusive anti-wear additives:\u003c\/strong\u003e Reduces wear on critical engine parts and extends component life under varied loads and operating hours.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRust and corrosion protection:\u003c\/strong\u003e Adds a protective layer to internal parts that helps preserve engines during storage and wet conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eIndustry-leading viscosity range:\u003c\/strong\u003e The 5W-50 rating covers a broad temperature window to maintain lubrication where lesser oils might thin or thicken.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis oil is aimed at Polaris ATV and UTV owners, including Ranger, RZR and Sportsman operators, who prefer factory-approved lubricants and want a one-jug solution for both winter startup and summer operating conditions. It is a practical choice for riders who run long hours or store machines seasonally and appreciate the added corrosion protection.\u003c\/p\u003e\n\n\u003cp\u003eCustomers who need specialized lubricants for non-Polaris engines or who require weight grades outside of 5W-50 should look elsewhere; the jug is optimized for Polaris 4-cycle specifications and the benefits assume compatibility with those engines.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eFull synthetic formula gives reliable performance in cold and hot temperatures.\u003c\/li\u003e\n \u003cli\u003eFactory engineering approval means it fits Polaris 4-cycle engine requirements.\u003c\/li\u003e\n \u003cli\u003eAnti-wear additives and corrosion protection help extend gear and engine life.\u003c\/li\u003e\n \u003cli\u003eOne-gallon size is convenient and good value for multiple maintenance intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003ePackaged only in a 1 gallon jug, so smaller volume options are not available from this listing.\u003c\/li\u003e\n \u003cli\u003eFormulation is targeted to Polaris engines, so universal claims for all small engines are limited.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePolaris\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e2876245\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eFormulation\u003c\/td\u003e\n\u003ctd\u003eFull synthetic, all-season\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eViscosity\u003c\/td\u003e\n\u003ctd\u003e5W-50\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eEngine Type\u003c\/td\u003e\n\u003ctd\u003ePolaris 4-cycle engines\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003e2871844 (formerly PS-4 PLUS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Polaris 1 Gallon PS-4 5W-50 is a sensible buy for Polaris ATV and UTV owners who want a manufacturer-approved, full synthetic oil that covers wide temperature ranges and offers anti-wear plus corrosion protection. It represents good value in a gallon size for regular maintenance and is especially worthwhile for those running long hours or storing machines between seasons.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this oil suitable for cold starts?\u003c\/strong\u003e\u003cbr\u003eThe 5W-50 full synthetic formulation is designed to provide improved cold start protection and flow compared with heavier conventional oils.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill this work in all Polaris 4-cycle engines?\u003c\/strong\u003e\u003cbr\u003eIt is engineering approved for Polaris 4-cycle engines; owners should confirm compatibility with their specific model and maintenance guide.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes this jug replace older PS-4 PLUS bottles?\u003c\/strong\u003e\u003cbr\u003eYes, this product is the same full synthetic all-season formula formerly sold as PS-4 PLUS and replaces part number 2871844.\u003c\/p\u003e","brand":"Polaris","offers":[{"title":"Default Title","offer_id":48204208308443,"sku":"B008D70NAO","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61fgsGF7rAL._AC_SL1000.jpg?v=1770269778","url":"https:\/\/gearmusthave.com\/products\/polaris-1-gallon-ps-4-full-synthetic-oil-5w-50-engine-protection","provider":"GearMustHave","version":"1.0","type":"link"}