{"product_id":"motul-gear-300-75w-90-transmission-fluid-set-of-5-bottles","title":"Motul Gear 300 75W-90 Set of 5 - Smooth, High-Temp Gear Oil","description":"\u003cp\u003eIn this review of Motul Gear 300 75W-90 transmission fluid, the bottom line is simple: this is a 100 percent synthetic, ester-based hypoid oil best suited for separate gearboxes without a wet clutch where high temperature stability and smooth shifting matter most. It stands out for its virtually unshearable oil film that preserves protection under extreme conditions and for reducing transmission noise and shift effort. For owners who need consistent high-temperature protection and buttery shift feel, this set of five 1-liter bottles is a practical choice.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e100 Percent Synthetic Ester based:\u003c\/strong\u003e provides long-term thermal stability to protect gear surfaces under sustained high loads and heat.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eExtreme pressure formulation:\u003c\/strong\u003e delivers anti-wear protection to key gearbox components, extending gear life in demanding conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eVirtually unshearable oil film:\u003c\/strong\u003e resists shear loss so viscosity and film strength remain consistent even after heavy use.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e90 grade at hot temperature:\u003c\/strong\u003e maintains outstanding oil film resistance to reduce transmission noise and maintain smooth operation when hot.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eImproved shift quality:\u003c\/strong\u003e reduces effort on the gear lever for faster, smoother gear changes as reported by users.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eMotul Gear 300 is aimed at drivers and mechanics who maintain separate gearboxes without a wet clutch, including many performance and late-model street vehicles where heat and load make durability essential. It is especially useful for owners of multi-speed transmissions who want a fluid that keeps shift feel consistent and minimizes noise at operating temperature.\u003c\/p\u003e\n\n\u003cp\u003eThose who need a product specifically for gearboxes with integrated wet clutches or who require manufacturer-mandated specialized fluids should check compatibility before buying. This product is not intended for systems that require oils formulated for wet clutch lubrication.\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\u003eHigh temperature stability preserves protection and viscosity under severe conditions.\u003c\/li\u003e\n \u003cli\u003eCustomers report noticeably smoother shifts and reduced transmission noise.\u003c\/li\u003e\n \u003cli\u003eConsistent, butter-like fluid quality makes it easy to pour and use during service.\u003c\/li\u003e\n \u003cli\u003eSold as a set of five 1-liter bottles, offering good value for multiple services.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eNot formulated for gearboxes with wet clutches, so it is unsuitable where a wet-clutch fluid is required.\u003c\/li\u003e\n \u003cli\u003eContains chemicals noted by California warnings, so users should handle and store it carefully.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eHypoid synthetic gear oil for separate gearboxes\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eViscosity grade\u003c\/td\u003e\n\u003ctd\u003e75W-90 (90 grade at hot temperature)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBase chemistry\u003c\/td\u003e\n\u003ctd\u003e100 percent synthetic ester based\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eSet of 5 x 1 liter bottles\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eKey performance\u003c\/td\u003e\n\u003ctd\u003eExtreme pressure, unshearable oil film\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTypical benefit\u003c\/td\u003e\n\u003ctd\u003eReduces shift effort and transmission noise\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eApplication note\u003c\/td\u003e\n\u003ctd\u003eFor separate gearboxes without a wet clutch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eMotul Gear 300 75W-90 is a strong choice for technicians and enthusiasts who need a robust, high-temperature stable gear oil for separate gearboxes. Its ester-based, unshearable formulation keeps shifts smooth and reduces noise, and the five 1-liter set is good value for repeated servicing. Buyers should confirm gearbox compatibility where a wet-clutch fluid is required, but for its target use this fluid delivers reliable protection and excellent shift quality.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this oil suitable for wet clutch gearboxes?\u003c\/strong\u003e\u003cbr\u003eAnswer. No, this product is formulated for separate gearboxes without a wet clutch and is not intended for systems that require wet-clutch lubrication.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill this improve shifting on high-mileage transmissions?\u003c\/strong\u003e\u003cbr\u003eAnswer. Many users report smoother shifting and reduced effort, so it can improve feel on transmissions where viscosity and film strength have degraded.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow much oil is included in the pack?\u003c\/strong\u003e\u003cbr\u003eAnswer. The pack contains five 1-liter bottles, sufficient for multiple services or several axles depending on the vehicle.\u003c\/p\u003e","brand":"Motul","offers":[{"title":"Default Title","offer_id":48151194239195,"sku":"B07XQJ7D26","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71C69Gac76L._AC_SL1500.jpg?v=1768845050","url":"https:\/\/gearmusthave.com\/products\/motul-gear-300-75w-90-transmission-fluid-set-of-5-bottles","provider":"GearMustHave","version":"1.0","type":"link"}