Fuel & Oil Additives

Shell Rotella ELC Extended Life Antifreeze + Coolant is a concentrated, carboxylate-based coolant engineered to protect heavy-duty diesel, gasoline, and natural gas engines for extended service intervals. Built for mixed fleets and high-hour equipment, this concentrate delivers long-term corrosion and cavitation protection across all...

Klotz UpLon KL-107 is a synthetic TechniPlate upper-cylinder and fuel-lube treatment formulated to protect fuel pumps, lubricate upper cylinder areas, and keep fuel systems clean in 4-stroke engines using gasoline or alcohol blends. UpLon is engineered for modern high-performance and everyday 4-stroke engines that...

Lucas Oil 10599 Anti-Squawk/Anti-Shudder Additive is a 16-ounce formula designed to stop squawk noises at start-up and reduce transmission shudder in agricultural equipment and many vehicles. Engineered for equipment and vehicles that experience squeaks, squawks, and shuddering during initial engagement, this concentrated 16-ounce bottle...

Hot Shot's Secret Diesel Injector Flush is a concentrated professional formula that quickly clears internal diesel injector deposits to restore injection balance and improve engine performance. This 32 oz treatment is engineered for service technicians and advanced DIYers who need a fast, effective way...

BlueDevil Catalytic & Emission System Cleaner is a 16 oz. gasoline additive formulated to remove carbon and deposits from catalytic converters and the exhaust system, helping restore emissions performance and drivability. Modern gasoline engines and their emission control components accumulate carbon and soot over...

Slick 50 Recharged High Mileage Engine Treatment is a 15-ounce, ZDDP-formulated oil additive designed to replenish lost additives, reduce friction, and help protect higher-mileage engines without diluting the base oil. Designed for engines that have accrued significant miles, this product combines a ZDDP anti-wear...

LIQUI MOLY Truck Series Oil Treatment is a 500 ml MoS2-based oil additive that deposits a durable, low-friction lubrication film to reduce wear and improve engine smoothness. Designed for heavy-duty diesel and gasoline engines, this concentrated oil additive blends into existing engine oil to...

Lubegard Engine Oil Protectant for Turbocharged Engines is an additive designed to reduce low-speed pre-ignition (LSPI) and protect turbocharged gasoline engines from knock and accelerated oil degradation. Turbocharged gasoline direct injection (TGDI) engines are more efficient but also more vulnerable to low-speed pre-ignition (LSPI),...

K-100 K100 Additive Diesel Treat Stbl Qt is a concentrated diesel fuel additive that removes free water, discourages microbial growth, dissolves gums and varnish, and stabilizes fuel for extended storage. Designed for diesel fuel systems and storage tanks, this K-100 formula tackles the common...

EZ PASS™ Emissions Treatment is a one-step gasoline additive designed to help clean catalytic converters, oxygen sensors, combustion chambers, and fuel injectors to support emissions performance before inspections. This concentrated 16 fl. oz. formula is formulated to work through the fuel system during normal...

G96 Products INC 1053 Synthetic CLP Gun Oil (4 oz) from tacticalchoiceplus is a synthetic cleaner‑lubricant‑preservative formulated to clean fouling, reduce friction, and protect metal and polymer firearm parts. This compact 4-ounce bottle contains a synthetic CLP designed for routine maintenance of pistols, rifles,...

Motul Valve & Injector Clean is a concentrated PEA-based fuel additive that dissolves carbon and varnish from injectors, intake valves and the manifold to restore throttle response, steady idle and better combustion. Motul brings a professional-grade cleaning chemistry to routine maintenance with this 300...

Hot Shot's Secret Diesel Winter Anti-Gel Fuel Treatment is a concentrated 16 oz additive that prevents diesel gelling and protects fuel systems in extreme cold, rated to keep fuel fluid down to -65°F when dosed as directed. When freezing temperatures arrive, diesel fuel can...

Lucas Oil 11032 Cetane Power Booster is a 64-ounce diesel fuel additive designed to raise cetane, clean and lubricate fuel systems, and support smoother starts, improved combustion, and reduced injector deposits. Designed for modern diesel engines, this concentrated formula complements ultra-low sulfur diesel by...

K & W CRC Trans-X High Mileage Automatic Transmission Treatment is a 16 fl oz stop‑leak and performance restorer designed for automatic transmissions in vehicles with 75,000 miles or more. If your older car is showing signs of slipping, rough or delayed shifts, or...

Motul Engine Clean is a 300ml engine additive and flush that dissolves sludge and deposits to improve oil circulation and support smoother engine operation when used before an oil change. Designed to be added to the crankcase prior to draining the oil, this 300ml...

Doc's Diesel 24/7 Cetane Boost + All-in-One Additive is a 16oz diesel treatment that raises cetane, cleans injectors, restores lubricity, and stabilizes fuel—one bottle treats up to 400 gallons. This concentrated 16oz formula combines a cetane improver with detergents, lubricity agents and water control...

STA-BIL 360 Marine Fuel System Treatment (32 oz) is an all-in-one marine additive that cleans injectors and lines, removes water and varnish, and provides corrosion protection for in-season use. Designed for boats and personal watercraft, STA-BIL 360 targets the whole fuel system with PEA-based...

Hot Shot's Secret Diesel Extreme 32 oz is a concentrated diesel fuel additive designed to clean injectors and the entire fuel system while boosting cetane for better starts and smoother operation. Diesel engines accumulate deposits, water, and sludge that reduce power and fuel economy...

Star TRON Enzyme Fuel Treatment is a concentrated enzymatic gas additive that cleans fuel systems, improves combustion, and stabilizes gasoline (including ethanol blends) for up to two years. Whether you use your vehicle daily or store equipment seasonally, Star TRON is formulated to keep...

BG 44K Fuel System Cleaner Power Enhancer is an 11 oz. concentrated fuel treatment that quickly cleans injectors, intake valves, ports and combustion chambers to help restore drivability and power. BG 44K is a professional-grade, non-alcohol fuel system cleaner formulated to remove upper-engine deposits...

LIQUI MOLY DIJectron Additive is a concentrated cleaner specially formulated to remove deposits from gasoline direct injection (GDI) systems and help restore engine reliability and performance. GDI engines are efficient but prone to deposit buildup on injectors, intake valves, and combustion chambers because fuel...

Lubegard 63016 Platinum Universal ATF Protectant is an add-in treatment that converts regular Dexron/Mercon ATF into dealer-equivalent OEM ATF performance and restores transmission smoothness, protection, and shift quality. Designed for professional shops and informed DIYers, Lubegard Platinum Universal ATF Protectant uses Lubegard's patented LXE/Synergol...

COMP Cams 153 Cam & Lifter Installation Lube is an 8 oz. assembly lubricant formulated to protect camshafts, lifters, and distributor gears during the critical initial start-up period. When a new camshaft or lifter set goes into an engine, the first moments of operation...

Two 18 oz bottles of Briggs & Stratton SAE 30 engine oil plus a 2 oz advanced fuel treatment provide a compact maintenance kit for small engines. Keep lawnmowers, pressure washers, generators, and other small gasoline engines running smoothly with this bundled service pack...

BIOBOR JF is an 8-ounce dual-phase fuel additive that kills and prevents microbial contamination in diesel and restores lubricity to protect injectors, pumps, and tanks. Designed and trusted since 1965, BIOBOR JF combines a powerful biocide with lubricity-enhancing chemistry to address the two major...

K-Seal ST3501 Pour & Go is a 16 oz ready-to-use coolant sealer that repairs blown head gaskets, hairline cracks in cylinder heads and porous engine blocks without engine disassembly. When a coolant leak threatens engine operation, K-Seal ST3501 offers a straightforward, non-invasive repair option....

Marvel Mystery Oil Original Motor Treatment is a dual-purpose oil and fuel additive that cleans deposits, adds a protective lubricating film, and helps reduce wear inside gasoline, diesel, and hybrid engines. Designed and trusted for generations, this Original Motor Treatment combines deposit removal and...

Power Service 64 oz Anti‑Gel Diesel Fuel Supplement with Cetane Boost prevents diesel gelling and improves cold‑weather starting while cleaning injectors. This concentrated diesel treatment is formulated to protect fuel systems in cold conditions and to raise cetane for more efficient combustion. Packaged as...

Bar's Leaks OS-1 is an engine oil seal and leak repair formula that reduces oil burning and stops many common external leaks when used as directed. Bar's Leaks OS-1 Oil Seal Engine Oil Burning & Leak Repair (16.9 oz) is a concentrated additive formulated...

XADO EX120 Automatic Transmission Fix is an ATF additive and protectant that rebuilds worn metal surfaces inside automatic and CVT gearboxes to reduce slipping, shudder and noise. This concentrated treatment is formulated to restore metal contact zones, lower friction, and form a protective layer...

Liqui Moly Hydraulic Lifter Additive is a concentrated treatment formulated to reduce lifter noise, dissolve deposits and improve lubrication for hydraulic tappets and valve train components. Designed for use as an engine oil treatment, this Liqui Moly 20004 two‑pack addresses common issues with hydraulic...

STAR BRITE Star Tron Enzyme Fuel Treatment is a concentrated gasoline additive that stabilizes fuel, helps clear ethanol-related deposits, and supports easier starting and smoother running for engines after storage or daily use. Whether you run a boat, car, lawn mower, or RV, ethanol-blended...

K-100 32oz Marine Grade Fuel Treatment is an all-in-one fuel conditioner that removes water, dissolves deposits, and protects fuel systems so engines start easier and run cleaner. Made in the USA, the K-100 32oz Marine Grade Gasoline Fuel Treatment is formulated for boaters, motorists,...

Dura Lube Severe Catalytic and Exhaust Treatment is a 16 fl. oz. fuel additive designed to protect catalytic converters and exhaust components from oil-related contaminants while helping maintain efficiency and reduce deposits. This concentrated formula is intended to be added to gasoline to address...

Sea Foam SF-16 Motor Treatment is a multi-use petroleum-based additive in a twin 16 oz pack that cleans fuel and oil systems to help engines run more smoothly. Sea Foam SF-16 is a concentrated petroleum product formulated to dissolve gum, varnish and carbon deposits...

Star TRON Enzyme Fuel Treatment is an enzyme-based gasoline additive that stabilizes fuel up to two years, disperses water, and helps restore and maintain smooth engine performance across cars, boats, mowers, and more. Star TRON uses specialized enzyme technology to address ethanol-related fuel issues...

Red Line 58204 Heavy Shockproof Gear Oil is a full-synthetic, polyol-ester based lubricant engineered to protect high-load and racing differentials while improving drivetrain efficiency. Designed for extreme-demand applications, this 1-quart bottle of Heavy Shockproof delivers the high film strength and low shear characteristics racers...

Hot Shot's Secret Everyday Diesel Treatment (EDT) is a 32 oz diesel additive formulated to clean injectors, boost cetane and lubricity, and protect fuel systems when used regularly at every fill-up. Designed as a routine maintenance additive, Hot Shot's Secret EDT helps maintain diesel...

Hot Shot's Secret Premium DEFender is a 16 oz DEF treatment additive formulated to prevent crystalline deposits in SCR systems and help keep injectors, pumps and sensors operating smoothly. Diesel Exhaust Fluid (DEF) systems can develop white crystals and deposits that interfere with selective...

Prolong Super Lubricants PSL15000 Transmission Treatment (8 oz) is an AFMT-formulated additive that bonds to metal surfaces to reduce friction, lower heat, and help restore smoother shifting in manual and automatic transmissions. Designed around Prolong's Anti-Friction Metal Treatment (AFMT) technology, this 8-ounce bottle is...

Woorhive’s magnetic bottle holder secures both Archoil AR6500 40 oz and 40.6 oz bottles to metal surfaces for tidy, rattle-free storage. Keep your diesel additive within reach and firmly attached where you need it. This magnetic mount is shaped for compatibility with both the...

Liqui Moly Diesel Particulate Filter Protector DPF Cleaner Regenerator 250ml (2-pack) is a ready-to-use fuel additive designed to dissolve soot deposits and support regeneration of diesel particulate filters without disassembly. This twin-pack contains two 250 ml treatment bottles engineered to aid soot burn-off and...

Wynn's Turbo Cleaner is a 200ml spray that dissolves carbon, gum, varnish and tar to restore turbocharger geometry and improve airflow without dismantling the unit. Modern turbochargers become contaminated by combustion residues over time, reducing responsiveness, fuel efficiency and peak output. Wynn's Turbo Cleaner...

Rotary Ethanol Shield 24 oz is a concentrated fuel additive designed to protect the entire fuel system from the damaging effects of ethanol-blended gasoline and to help dissolve varnish and carbon deposits. If you use ethanol-blended fuel in cars, motorcycles, lawn and garden equipment,...

The Fuel Ox FuelOx Heating Oil Treatment is an 8oz indoor concentrate designed to stabilize, clean, and protect up to 275 gallons of heating oil. Keep stored heating oil reliable and your burner running smoothly with a compact treatment that addresses sludge, water contamination,...

Wynn's Diesel Turbo Cleaner is a 500ml fuel-additive treatment that dissolves carbon deposits in turbochargers, EGR valves and Diesel Oxidation Catalysts to restore airflow and engine response without dismantling components. Diesel engines collect soot and carbon over time, which can block turbocharger vanes, foul...

Woorhive’s Magnetic Diesel Additive Holder keeps Hot Shots 16oz EDT bottles fastened, accessible, and protected on metal surfaces inside trucks, trailers, and workshops. Stop rooting around for a loose bottle after a long drive—this compact magnetic mount was engineered specifically to secure Hot Shots...

BOOSTane Premium Octane Booster is a 16oz concentrated fuel additive that raises effective octane up to 8 numbers and protects fuel systems from ethanol-related corrosion. Designed for a broad range of internal combustion engines, BOOSTane offers a portable, high-strength solution for hot rods, classic...

Comp Cams 159 Engine Break-In Oil Additive is a concentrated 12 oz. formula designed to help new and rebuilt gasoline engines run-in smoothly and promote proper piston ring seating during the initial break-in period. When assembling or installing a new or rebuilt engine, the...