Fuel & Oil Additives

ACDelco Gold 10-4023 (19286292) Diesel Exhaust Fluid is a high-purity urea solution in two 2.5-gallon containers formulated to help SCR-equipped diesel engines reduce NOx emissions. This ACDelco DEF combines laboratory-grade synthetic urea and deionized water into a clear, stable fluid designed to meet ISO...

Liqui Moly Pro-Line Diesel Particulate Filter Cleaner is a professional 1‑litre fluid formulated to dissolve soot and deposits inside diesel particulate filters (DPF/GPF) without removing the unit from the vehicle. Designed for workshop use, this concentrated cleaner penetrates and breaks down the accumulated soot,...

Liqui Moly 3721 Engine Oil Additive is a concentrated formula designed to stabilize and protect engine oil, reduce deposits, and remain compatible with modern filter systems. This concentrated oil additive from Liqui Moly enhances lubricant performance under heavy thermal and dynamic loads without requiring...

Lucas Oil 10131 Pure Synthetic Oil Stabilizer is a concentrated synthetic formula that strengthens oil film, reduces friction and wear, and helps control heat in engines, transmissions, and drivetrains. Designed to work with modern light-viscosity synthetics as well as heavier service oils, this one-gallon...

Lucas 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. Designed as a cost-effective preventative and corrective treatment, Hydraulic Oil Booster/STO works with both synthetic and...

Doc's Diesel DEF Guard is an 8 oz SCR system conditioner that reduces DEF crystal buildup and stabilizes DEF in tanks and lines. DEF Guard is an additive designed for diesel selective catalytic reduction (SCR) systems to help minimize the hard white crystals that...

Red Line WaterWetter Super Coolant is a concentrated additive that increases water's ability to transfer heat, reduces corrosion, and lets you safely run lower antifreeze levels or straight water in many applications. Designed for racers, performance drivers, and anyone who wants faster heat rejection...

Red Line 58204 Heavy Shockproof Gear Oil is a fully synthetic, race-proven gear lubricant formulated to protect high-load differentials and racing rear ends while improving efficiency. Designed from polyol ester base stocks, this 1-quart formulation provides extreme film strength and slipperiness for demanding applications...

Motul Engine Clean is a 300ml engine-flush additive that loosens sludge, varnish, and deposits when added before an oil change to improve oil flow and internal cleanliness. Designed for gasoline, diesel, turbocharged and naturally aspirated engines — including hybrids — this concentrated treatment is...

STAR BRITE Star TRON Enzyme Formula Fuel Tank Cleaner is a concentrated enzyme-based additive that breaks down sludge and varnish in gasoline and diesel tanks for cleaner fuel and more reliable engine starts. Designed for both gasoline and diesel systems, this enzymatic treatment targets...

Stanadyne Performance Formula is a concentrated diesel fuel additive sold as two 1/2-gallon jugs that clean injection systems, improve combustion, and treat 500 gallons of diesel. This two-pack of Stanadyne Performance Formula delivers proven detergency, cetane boost, lubricity restoration, and cold-weather protection in a...

Archoil AR6300 Winter Diesel Treatment is a concentrated cold-weather diesel additive that prevents fuel gelling, improves lubricity, boosts cetane, and cleans injectors to help diesel engines start and run reliably in winter. Designed for use at every fill-up, this two-pack of 41 oz bottles...

Hot Shot's Secret EDT+ Winter Defense is a concentrated diesel anti-gel additive that prevents wax-related fuel gelling and improves cold-weather starting and lubrication. Formulated for cold climates, this one-gallon concentrated treatment helps diesel run reliably when temperatures drop. It reduces wax crystal size so...

Archoil AR9100 is a concentrated friction modifier formulated to eliminate HEUI injector stiction and reduce internal friction for smoother, quieter operation in diesel and gasoline engines. Archoil AR9100 Value Pack supplies two 16 oz bottles — each enough to treat one 6.0L or 7.3L...

Liqui Moly MOS2 Anti-Friction Oil Treatment is an additive that deposits a high-load, low-friction molybdenum disulfide film on engine components to cut friction, lower heat and slow wear. Designed for modern and older vehicles alike, this concentrated treatment introduces MOS2 (molybdenum disulfide) particles into...

Lucas Oil 10679 Hot Rod & Classic Car SAE 10W-30 is a high-zinc, paraffinic motor oil formulated to protect and preserve older performance engines and classic cars during driving and storage. Designed for muscle cars, showroom restorations and vintage vehicles that do not use...

Hot Shot's Secret Diesel Extreme is a one-gallon diesel fuel additive formulated to clean injectors and fuel systems, raise cetane, disperse water, and protect metal components for smoother running and better efficiency. This concentrated formula targets common diesel performance problems without alcohol-based ingredients. It...

Rislone Hy-per Lube Zinc ZDDP Supplement is a concentrated oil additive that restores zinc and phosphorus levels to protect valve trains and reduce wear in gasoline engines. Modern engine oils often reduce anti-wear additives like ZDDP to meet emissions and catalyst life targets, which...

Archoil's AR6400-D (12 oz) plus AR6500 (40 oz) kit is a two-step diesel fuel system treatment that cleans injectors, restores lubricity, and helps control DPF and turbo deposits. This kit combines a concentrated deep-cleaning pour-in (AR6400-D) with a follow-up maintenance treatment (AR6500) so you...

Archoil AR6300 Winter Diesel Treatment is a concentrated cold-weather diesel additive that prevents fuel gelling, improves lubricity, raises cetane, and helps reduce injector, DPF, and turbo deposits. Designed specifically to protect diesel systems in cold climates, this 41 oz bottle treats up to 275...

The Lisle 24980 is a 19-piece spill-free coolant funnel kit that lets you fill and bleed cooling systems cleanly, prevents trapped air, and includes a new threaded adapter for select Toyota/Lexus V6 turbo engines. This compact kit puts a clear, hands-free filling tool and...

Pivot 10 IGR Concentrate (110 ml) is a professional-strength insect growth regulator designed to interrupt pest life cycles when mixed and applied according to label directions. Control Solutions' Pivot 10 is a concentrated insect growth regulator (IGR) supplied in a compact 110 ml bottle...

TRACER TP-3090-0601 is a concentrated gasoline engine oil dye sold as six 1-ounce bottles for reliable leak tracing and oil identification. Keep engine maintenance and diagnostics straightforward with this compact dye kit designed for gasoline engines. Each 1 oz bottle delivers a vivid, detectable...

Stanadyne Performance Formula is a concentrated diesel fuel additive (16 oz bottle) designed to clean injectors, improve combustion, restore lubricity, and protect fuel systems when used year-round. This case contains twelve 16-ounce bottles of Stanadyne Performance Formula, each treating up to 60 gallons of...