{"product_id":"stanadyne-diesel-fuel-additive-12-pack-pint-8oz-injector-cleaner-lubricity-ulsd-b20-safe","title":"Stanadyne Diesel Fuel Additive 12-Pack (½‑Pint\/8oz) — Injector Cleaner \u0026 Lubricity, ULSD\/B20 Safe","description":"\u003cstrong\u003eStanadyne Performance Formula Diesel Fuel Additive is a concentrated treatment in a 12-pack of ½-pint bottles designed to clean injectors, lubricate fuel systems, and support fuel economy for diesel engines.\u003c\/strong\u003e\n\n\u003cp\u003eThis kit contains twelve 8-ounce bottles of Stanadyne Performance Formula (part #38564), offering a practical, regular-use supply for light- and heavy-duty diesel vehicles. Formulated to address deposit buildup, varnish and friction in fuel systems, the additive is compatible with ULSD and B20 biodiesel blends and is safe for exhaust aftertreatment systems. Use it routinely to maintain throttle response and optimize combustion without altering service intervals.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Stanadyne Performance Formula help my diesel engine perform better?\u003c\/h3\u003e\n\u003cp\u003eThe formula works by cleaning injectors and lubricating moving parts in the fuel system to recover lost horsepower and smoother throttle response. By reducing deposits and friction, combustion becomes more consistent and efficient.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContains detergents and lubricity agents that clear injector deposits.\u003c\/li\u003e\n  \u003cli\u003eHelps restore lost horsepower and torque through cleaner spray patterns.\u003c\/li\u003e\n  \u003cli\u003eImproves throttle response and reduces rough idling caused by fouled components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this additive improve fuel economy and when should I use it?\u003c\/h3\u003e\n\u003cp\u003eRegular treatments can help recover and maintain fuel economy by promoting more complete combustion and reducing friction in the fuel system. For best results, add the recommended dose at each fill-up and use an injector cleaner treatment four to six times per year.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for routine use: treat with each tank fill for ongoing maintenance.\u003c\/li\u003e\n  \u003cli\u003eUse the Performance Formula Injector Cleaner 4–6 times annually for deeper cleaning.\u003c\/li\u003e\n  \u003cli\u003eWorks with both standard highway diesel and B20 biodiesel blends.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this product suitable for cold weather or winterized fuels?\u003c\/h3\u003e\n\u003cp\u003ePerformance Formula includes components that offer cold-weather protection and anti-gel performance, though Stanadyne also sells dedicated cold-weather and lubricity blends for extreme conditions or very dry fuels. This pack gives you flexibility for most climate scenarios while protecting system components from corrosion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProvides anti-gel protection to reduce waxing and fuel gelling risk in moderate cold.\u003c\/li\u003e\n  \u003cli\u003eIncludes corrosion inhibitors to protect fuel-system metals and seals.\u003c\/li\u003e\n  \u003cli\u003eCompatible with ULSD and works alongside Stanadyne cold-weather products if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this product protect emissions systems and modern diesel hardware?\u003c\/h3\u003e\n\u003cp\u003eStanadyne Performance Formula is formulated to be exhaust aftertreatment safe, meaning it won’t harm diesel particulate filters or selective catalytic reduction systems when used as directed. It balances cleaning with components that preserve emissions-control function while keeping injectors and pumps lubricated.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAftertreatment-safe formulation avoids negative impacts on DPF and SCR systems.\u003c\/li\u003e\n  \u003cli\u003eLubricity additives reduce wear on pumps and injectors in ultra-low sulfur diesel (ULSD).\u003c\/li\u003e\n  \u003cli\u003eNon-corrosive ingredients help protect fuel lines, seals, and metal components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The 12-pack of ½-pint Stanadyne Performance Formula is intended for fleet managers, commercial operators, diesel owners with multiple vehicles, and do-it-yourself enthusiasts who prefer keeping regular treatment supplies on hand. It’s ideal if you want a single, versatile additive that addresses injector cleanliness, lubricity, mild cold-weather protection, and fuel-economy recovery while remaining compatible with modern diesel fuels and emissions hardware. If you operate in extreme cold or use very dry fuels, consider combining this product with Stanadyne’s specialized cold-weather or lubricity-only blends for targeted protection.\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: How often should I use Stanadyne Performance Formula?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use the Performance Formula at every fill-up for routine maintenance and apply injector cleaner 4–6 times per year for deeper cleaning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this additive safe with biodiesel blends?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This formula is compatible with ULSD and B20 biodiesel blends and is exhaust aftertreatment safe when used as directed.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Stanadyne","offers":[{"title":"Default Title","offer_id":48080304308382,"sku":"B01LYLA3FU","price":112.11,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/stanadyne-front-packaging-12-pack.jpg?v=1785780374","url":"https:\/\/northtrailauto.ca\/products\/stanadyne-diesel-fuel-additive-12-pack-pint-8oz-injector-cleaner-lubricity-ulsd-b20-safe","provider":"North Trail Auto","version":"1.0","type":"link"}