{"product_id":"lucas-oil-hydraulic-oil-booster-sto-1-qt-seal-conditioner-leak-stopper-temperature-reducer","title":"Lucas Oil Hydraulic Oil Booster STO - 1 Qt Seal Conditioner, Leak Stopper \u0026 Temperature Reducer","description":"\u003cp\u003e\u003cstrong\u003eLucas Oil Hydraulic Oil Booster\/STO is an additive that conditions seals, restores lost hydraulic pressure, reduces operating temperatures and helps stop leaks in older or worn hydraulic systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned as a cost-effective preventative and corrective treatment, Hydraulic Oil Booster\/STO works with both synthetic and conventional hydraulic fluids. It’s formulated to rejuvenate hardened seals and O-rings, improve lubricity, dissolve varnish deposits and reduce frictional heat, helping extend component and fluid life without a full system overhaul. Use it when systems show slipping, chatter, rising temperatures or reduced pressure.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this product stop hydraulic leaks and extend seal life?\u003c\/h3\u003e\n\u003cp\u003eHydraulic Oil Booster\/STO contains conditioners that soften and swell aged rubber components, helping seals and O-rings regain flexibility to seat better and reduce seepage. Over time seals harden and crack—this formula helps delay replacement by restoring function and preventing new leaks from forming.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePenetrates and conditions old seals and O-rings to reduce shrinkage and leakage\u003c\/li\u003e\n  \u003cli\u003eCompatible with common elastomers used in hydraulic systems\u003c\/li\u003e\n  \u003cli\u003eUseful as a temporary fix while scheduling repairs or parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it improve hydraulic pressure and performance in worn systems?\u003c\/h3\u003e\n\u003cp\u003eYes—by removing varnish and restoring internal clearances, the booster helps pumps and valves regain more efficient pressure delivery. Restored pressure reduces slipping and chatter, giving older equipment noticeably better responsiveness without immediate major repairs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHelps clear varnish and soft deposits that restrict flow and pressure\u003c\/li\u003e\n  \u003cli\u003eBoosts lubricity to reduce internal leakage and improve pump efficiency\u003c\/li\u003e\n  \u003cli\u003eCan restore near-original pressure in many worn systems when used as directed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDoes it lower operating temperature and protect components?\u003c\/h3\u003e\n\u003cp\u003eThe additive increases lubricity and reduces friction between moving parts, which lowers heat generation during normal operation. Cooler running temperatures help hydraulic fluid last longer and decrease wear on hoses, rams and cylinders.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces friction and helps cut operating temperatures under load\u003c\/li\u003e\n  \u003cli\u003eExtends hydraulic fluid life—often up to twice as long in many service conditions\u003c\/li\u003e\n  \u003cli\u003eHelps protect hoses, seals and moving parts from premature wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow and where should I use Lucas Oil Hydraulic Oil Booster\/STO?\u003c\/h3\u003e\n\u003cp\u003eIt is suitable for industrial, mobile and agricultural equipment that uses conventional or synthetic hydraulic fluid, including systems with wet brakes. Add the recommended dose directly to the hydraulic reservoir during routine maintenance or when symptoms appear; always follow the equipment and product dosing instructions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSafe for use in systems with wet brakes when used according to directions\u003c\/li\u003e\n  \u003cli\u003eWorks in both synthetic and conventional hydraulic fluids\u003c\/li\u003e\n  \u003cli\u003eIdeal for preventive maintenance and as a repair-delaying treatment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Lucas Oil Hydraulic Oil Booster\/STO is aimed at fleet managers, equipment owners and maintenance technicians who want a budget-friendly way to restore performance and reduce downtime in older or heavily used hydraulic systems. It’s a practical choice when you need to stop leaks, improve pressure and lower operating temperatures without removing components for immediate replacement.\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 Hydraulic Oil Booster\/STO with synthetic hydraulic fluid?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The formula is compatible with both synthetic and conventional hydraulic fluids.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How soon will I see reduced leaks or improved pressure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Many users notice improvement within hours to days, depending on severity and system condition.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Lucas Oil","offers":[{"title":"Default Title","offer_id":55168542343511,"sku":"B000FW2N08","price":73.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/lucas-oil-hydraulic-booster-front-label.jpg?v=1790407586","url":"https:\/\/britishgarage.co.uk\/products\/lucas-oil-hydraulic-oil-booster-sto-1-qt-seal-conditioner-leak-stopper-temperature-reducer","provider":"British Garage","version":"1.0","type":"link"}