{"product_id":"swepco-501-diesel-fuel-improver-cetane-booster-multi-function","title":"SWEPCO | 501 Diesel Fuel Improver | Cetane Booster | Multi-Function","description":"\u003ch2\u003e\u003cstrong\u003eBOOST COMBUSTION, CLEAN INJECTORS, FIGHT DIESEL DEPOSITS\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eSWEPCO 501 Premium Diesel Fuel Improver is a powerful multi-function additive designed to restore performance and protect today's diesel engines—especially when running low-quality or ultra-low sulfur diesel fuels. It increases cetane for smoother, quieter combustion, reduces emissions, and protects injectors from wear and fouling. Whether you're managing over-the-road trucks, agricultural equipment, or off-road fleets, SWEPCO 501 keeps your diesel systems cleaner, longer, and running more efficiently.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRaises Cetane Numbers:\u003c\/strong\u003e Boosts ignition quality for quicker starts, smoother acceleration, and more complete combustion—especially in cold weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleans \u0026amp; Protects Injectors:\u003c\/strong\u003e Keeps injectors clean and removes existing deposits for better spray patterns and fuel efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces Emissions Up to 42%:\u003c\/strong\u003e Independently tested using opacity methods—cleaner fuel burns mean cleaner air.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimizes Wear from ULSD:\u003c\/strong\u003e Reduces abrasive injector and pump wear by up to 26%, countering the low-lubricity of ultra-low sulfur diesel fuel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWinter Formula Available:\u003c\/strong\u003e Improves cold flow and prevents gelling during cold starts and sub-freezing operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eImproves ignition quality in any diesel fuel\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy and reduces fuel-related maintenance\u003c\/li\u003e\n\u003cli\u003eReduces smoking, misfiring, knocking, and starting issues\u003c\/li\u003e\n\u003cli\u003eExtends injector and pump life significantly\u003c\/li\u003e\n\u003cli\u003eEnhances fuel storage stability and system cleanliness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMarkets Served:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOver-the-Road Trucking \u0026amp; Fleets\u003c\/li\u003e\n\u003cli\u003eAgriculture \u0026amp; Farming Equipment\u003c\/li\u003e\n\u003cli\u003eMarine \u0026amp; Dockside Operations\u003c\/li\u003e\n\u003cli\u003eHeavy Construction \u0026amp; Industrial Vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Applications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAll diesel engine types: mobile, stationary, turbocharged\u003c\/li\u003e\n\u003cli\u003eFleet vehicles, long-haul rigs, school and transit buses\u003c\/li\u003e\n\u003cli\u003eTractors, harvesters, and other farm equipment\u003c\/li\u003e\n\u003cli\u003eMobile construction and off-road diesel machinery\u003c\/li\u003e\n\u003cli\u003eDiesel-powered generators, cranes, compressors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong style=\"font-size: 18px;\"\u003eCLEANER FUEL. QUIETER COMBUSTION. FEWER BREAKDOWNS.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong style=\"font-size: 18px;\"\u003eRUN SWEPCO 501 AND KEEP YOUR DIESEL DIALED IN.\u003c\/strong\u003e\u003c\/p\u003e","brand":"DRIVEN | Racing Shop","offers":[{"title":"Summer \/ Cs 20-12oz","offer_id":48143253110942,"sku":"501-SUM-C1E","price":211.12,"currency_code":"USD","in_stock":true},{"title":"Summer \/ Cs 8Qt","offer_id":48143253143710,"sku":"501-SUM-C3C","price":287.62,"currency_code":"USD","in_stock":true},{"title":"Summer \/ Drum - 55 GAL \/400 LBS","offer_id":48143253176478,"sku":"501-SUM-DRM","price":5874.84,"currency_code":"USD","in_stock":false},{"title":"Summer \/ Pail - 5 GAL \/ 35 LB","offer_id":48143253209246,"sku":"501-SUM-PAL","price":554.17,"currency_code":"USD","in_stock":true},{"title":"Winter \/ Cs 20-12oz","offer_id":48143253242014,"sku":"501-WIN-C1E","price":238.43,"currency_code":"USD","in_stock":true},{"title":"Winter \/ Cs 8Qt","offer_id":48143253274782,"sku":"501-WIN-C3C","price":321.81,"currency_code":"USD","in_stock":true},{"title":"Winter \/ Drum - 55 GAL \/400 LBS","offer_id":48143253307550,"sku":"501-WIN-DRM","price":6806.46,"currency_code":"USD","in_stock":false},{"title":"Winter \/ Pail - 5 GAL \/ 35 LB","offer_id":48143253340318,"sku":"501-WIN-PAL","price":631.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/6359\/7726\/files\/IMG_3644.jpg?v=1786829286","url":"https:\/\/hughesperformanceproducts.com\/products\/swepco-501-diesel-fuel-improver-cetane-booster-multi-function","provider":"Hughes Performance Products ","version":"1.0","type":"link"}