{"product_id":"stihl-sae-30-engine-oil","title":"SAE 30 Engine Oil","description":"\u003ch1\u003eSTIHL SAE 30 Engine Oil - 4-Stroke Engine Oil for Petrol Lawn Mowers and Garden Machinery\u003c\/h1\u003e\n\n\u003cp\u003e\u003cstrong\u003eSTIHL SAE 30 Engine Oil\u003c\/strong\u003e (part number \u003cstrong\u003e0781 309 2002\u003c\/strong\u003e) is a genuine OEM lubricant formulated for 4-stroke petrol engines in garden power tools. Blended from highly refined mineral base oils with a performance-enhancing additive package, it meets the \u003cstrong\u003eAPI SJ\/CF dual performance classification\u003c\/strong\u003e and is suitable for use in all garden conditions. Compatible with STIHL petrol lawn mowers, tillers and other 4-stroke garden machinery, this oil provides consistent lubrication of engine internals, supports low oil consumption between service intervals and resists deposit formation at normal operating temperatures. Available in \u003cstrong\u003e600ml and 1.4L\u003c\/strong\u003e from Gustharts, an authorised STIHL dealer with UK stock ready to ship.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThis is a 4-stroke engine oil. It is not suitable for use in 2-stroke engines.\u003c\/strong\u003e Always check your machine's operator manual for the correct oil grade, specification and service interval before use.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine STIHL OEM oil\u003c\/strong\u003e — formulated to match STIHL 4-stroke engine requirements for fit, performance and additive compatibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSAE 30 single-grade viscosity\u003c\/strong\u003e — consistent film strength at standard garden machinery operating temperatures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAPI SJ\/CF dual performance classification\u003c\/strong\u003e — meets requirements for petrol and diesel 4-stroke engine types\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHighly refined mineral base oil\u003c\/strong\u003e with performance-enhancing additive package for ideal lubrication and low consumption\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAll garden use conditions\u003c\/strong\u003e — suitable for the full seasonal range of domestic and professional garden tasks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in 600ml and 1.4L\u003c\/strong\u003e — sized for single-use top-ups, seasonal changes or multi-tool maintenance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart number 0781 309 2002\u003c\/strong\u003e — also referenced as 07813092002 and 0781-309-2002 across ordering systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specification\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; text-align:left; border:1px solid #ddd;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eBrand\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eSTIHL\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eProduct Type\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003e4-Stroke Engine Oil\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eViscosity Grade\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eSAE 30 (single-grade)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003ePerformance Classification\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eAPI SJ\/CF\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eBase Oil\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eHighly refined mineral oil\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003ePart Number (600ml)\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003e0781 309 2002 (also: 07813092002, 0781-309-2002)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eAvailable Sizes\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003e600ml; 1.4L\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eEngine Compatibility\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003e4-stroke petrol engines only. Not for use in 2-stroke engines.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003ePart Type\u003c\/th\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:10px; text-align:left;\"\u003eGenuine OEM Consumable\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eUnderstanding SAE 30 and API SJ\/CF\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSAE 30\u003c\/strong\u003e refers to the oil's viscosity grade as defined by the Society of Automotive Engineers. SAE 30 is a single-grade (mono-grade) oil, meaning it has one consistent viscosity rating rather than a cold-start and operating-temperature range. Small, air-cooled 4-stroke engines — such as those in petrol lawn mowers and tillers — operate within a relatively narrow temperature band and are commonly specified for SAE 30 by manufacturers including STIHL for use in conditions above approximately 5°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAPI SJ\/CF\u003c\/strong\u003e is a dual performance classification defined by the American Petroleum Institute. \u003cstrong\u003eAPI SJ\u003c\/strong\u003e covers petrol engine performance requirements including protection against deposits, oxidation, wear and corrosion. \u003cstrong\u003eAPI CF\u003c\/strong\u003e covers indirect-injected diesel engines and certain petrol applications requiring higher detergency. The dual rating confirms this oil meets both classifications, making it versatile across a range of small 4-stroke garden power tool engines.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose Genuine STIHL SAE 30 - and Which Size?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGenuine vs generic alternatives:\u003c\/strong\u003e Many general-purpose engine oils are multi-grade (such as SAE 10W-30 or 5W-30), formulated to perform across a wide range of temperatures for automotive use. For small, air-cooled garden machinery engines operated primarily in the warmer months, STIHL specifies SAE 30 to match the thermal characteristics and internal clearances of their 4-stroke engines. A generic multi-grade will not necessarily cause harm but does not guarantee the same additive compatibility or film consistency as the STIHL OEM formulation. Using genuine STIHL oil maintains your machine's warranty and ensures the additive package matches STIHL's engine metallurgy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e600ml vs 1.4L:\u003c\/strong\u003e The 600ml bottle suits a single seasonal oil change on most STIHL petrol lawn mowers, where typical sump capacities run between 400ml and 600ml depending on model. The 1.4L is the better value choice for professionals and grounds teams servicing multiple machines, or for anyone wanting a reserve on hand between maintenance intervals.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Use Guidance\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eNot for 2-stroke engines.\u003c\/strong\u003e SAE 30 is a 4-stroke engine oil. Using it in a 2-stroke engine — such as a STIHL chainsaw, brushcutter or hedge trimmer — will cause serious engine damage. STIHL HP or HP Ultra oil is required for 2-stroke engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCheck your machine manual.\u003c\/strong\u003e Oil capacity, recommended grade and service intervals vary by model. Always confirm the correct specification before topping up or completing an oil change.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDispose of used oil responsibly.\u003c\/strong\u003e Used engine oil is classified as hazardous waste. Take it to a designated used oil collection point at your local civic amenity site or recycling centre. Do not pour down drains or onto the ground.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStorage.\u003c\/strong\u003e Store in the original sealed container, away from heat sources, direct sunlight and children.\u003c\/p\u003e\n\n\u003ch2\u003eAlso Known As\u003c\/h2\u003e\n\u003cp\u003eSTIHL SAE 30 Engine Oil is also referred to as \u003cstrong\u003e4-stroke engine oil\u003c\/strong\u003e, 4T oil, lawn mower engine oil, garden machinery oil and small engine oil. For correct identification and ordering, always use STIHL part number \u003cstrong\u003e0781 309 2002\u003c\/strong\u003e — also formatted as \u003cstrong\u003e07813092002\u003c\/strong\u003e and \u003cstrong\u003e0781-309-2002\u003c\/strong\u003e — to confirm you are receiving the correct genuine OEM product.\u003c\/p\u003e\n\n\u003ch2\u003eOften Replaced Alongside\u003c\/h2\u003e\n\u003cp\u003eWhen completing a scheduled oil change or seasonal service, it is worth checking and replacing related maintenance items at the same time:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/en-us\/collections\/stihl-spare-parts\"\u003eSTIHL spark plugs\u003c\/a\u003e — recommended for replacement at standard service intervals\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/en-us\/collections\/stihl-spare-parts\"\u003eSTIHL air filters\u003c\/a\u003e — inspect and replace as part of routine 4-stroke engine servicing\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/en-us\/collections\/sharpening-maintenance-tools\"\u003eSharpening and maintenance tools\u003c\/a\u003e — keep blades and cutting equipment in service condition alongside engine maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eExplore More\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/en-us\/collections\/stihl-spare-parts\"\u003eSTIHL Spare Parts\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-us\/pages\/stihl-parts\"\u003eSTIHL Parts Finder\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/en-us\/pages\/stihl-machinery\"\u003eSTIHL Machinery\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\n\u003ch3\u003eIs STIHL SAE 30 engine oil suitable for 2-stroke engines?\u003c\/h3\u003e\n\u003cp\u003eNo. This is a 4-stroke engine oil. Using it in a 2-stroke engine will cause serious damage. Use STIHL HP or HP Ultra oil for 2-stroke engines.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the part number for STIHL SAE 30 engine oil?\u003c\/h3\u003e\n\u003cp\u003eThe UK part number is 0781 309 2002, also formatted as 07813092002 and 0781-309-2002.\u003c\/p\u003e\n\n\u003ch3\u003eWhat sizes is STIHL SAE 30 engine oil available in?\u003c\/h3\u003e\n\u003cp\u003eAvailable in 600ml and 1.4L from Gustharts. The 600ml suits most single-machine seasonal oil changes; the 1.4L is suited to multi-machine maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does API SJ\/CF mean on engine oil?\u003c\/h3\u003e\n\u003cp\u003eAPI SJ covers performance requirements for petrol engines — deposit control, oxidation resistance and wear protection. API CF covers certain diesel and petrol applications requiring higher detergency. Dual SJ\/CF classification confirms the oil meets both standards.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use a 10W-30 multi-grade instead of SAE 30?\u003c\/h3\u003e\n\u003cp\u003eSome multi-grades are compatible — check your machine manual first. SAE 30 is the grade STIHL specifies for their 4-stroke garden machinery engines in conditions above 5°C, and the OEM formulation is matched to STIHL engine metallurgy and clearances.\u003c\/p\u003e\n\n\u003ch3\u003eHow much oil does a STIHL petrol lawn mower take?\u003c\/h3\u003e\n\u003cp\u003eTypical STIHL petrol mower sump capacities run between 400ml and 600ml. Check your machine's operator manual for the exact capacity before topping up or changing the oil.\u003c\/p\u003e\n\n\u003ch3\u003eHow often should I change the oil in a STIHL petrol lawn mower?\u003c\/h3\u003e\n\u003cp\u003eSTIHL typically recommends an oil change after the first 5 hours on a new machine, then every 25 operating hours or annually. Check your machine's manual for model-specific service intervals.\u003c\/p\u003e","brand":"Stihl","offers":[{"title":"600 ml","offer_id":45718834774260,"sku":"ST-0781 309 2002","price":7.0,"currency_code":"USD","in_stock":true},{"title":"1.4 L","offer_id":45718834807028,"sku":"ST-0781 309 2003","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/6603\/1348\/files\/STIHL_SAE_30_Engine_Oil_600ml.jpg?v=1747046890","url":"https:\/\/www.gustharts.com\/en-us\/products\/stihl-sae-30-engine-oil","provider":"Gustharts","version":"1.0","type":"link"}