Fuel & Oil Additives

Lubegard Instant Shudder Fixx is a concentrated friction modifier that stops torque‑converter lockup shudder quickly when added to automatic transmission fluid. If your automatic transmission exhibits judder, slipping hesitation, or rough engagement at idle or low speeds, a targeted friction modifier can often restore...

Stanadyne Performance Formula Diesel Fuel Additive (12 pack of ½ pint bottles) is a concentrated treatment designed to clean injectors, reduce fuel-related wear, and help restore lost fuel economy and power for diesel engines. Stanadyne’s Performance Formula is a multi-purpose diesel fuel treatment formulated...

Atlantic British AdBlue LR072258 is an OEM-quality Diesel Exhaust Fluid (DEF) supplied in four leak-free half-gallon bottles to meet SCR system requirements on compatible Land Rover diesel models. This AdBlue DEF pack contains 2 gallons (7.57 L / 256 oz) of ISO 22241-1 compliant...

Liqui Moly Cera Tec is a ceramic-based friction modifier that mixes with oil to reduce metal-to-metal contact and help extend component life. Designed as an additive for engine and mechanical oils, Cera Tec introduces high-resilience ceramic compounds into the lubricant to create a smoother-running...

Phoenix Systems 100 Double-Ended Brake & Coolant Test Strips are a single-tube, 100-count service kit that delivers quick visual checks of brake fluid copper contamination and coolant condition for shops, fleets, and service advisors. Designed for high-volume shop workflows, this all-in-one kit pairs a...

Stanadyne Performance Formula One Shot is an 8 oz diesel fuel treatment that cleans injectors, improves combustion, and conditions up to 30 gallons of fuel per bottle. Designed for modern diesel engines and compatible with ultra low sulfur diesel (ULSD) and biodiesel blends up...

Hot Shot's Secret Original Stiction Eliminator is a concentrated oil additive that cleans, lubricates, and reduces engine wear while restoring HEUI injectors. Built for both gasoline and diesel engines, this one-gallon formula targets sticky or sluggish injector systems and internal oil-sheared parts. The additive...

Hot Shot's Secret Everyday Diesel Treatment (EDT) is a one-gallon diesel fuel additive formulated to boost cetane, clean injectors, improve lubricity, and protect fuel systems from moisture and corrosion when used regularly. Everyday Diesel Treatment (EDT) from Hot Shot's Secret is designed for drivers...

Archoil AR6400-D Diesel Fuel System Cleaner (Two Pack) is a concentrated add‑in that removes fuel‑system deposits to help restore injector spray, improve turbo response, and support cleaner DPF performance. Engine deposits form from combustion byproducts and low‑quality fuel, which can reduce power, worsen throttle...

104+ Performance Octane Boost is a concentrated fuel additive that raises octane, helps clean fuel system deposits, and reduces engine knock when used as directed. If you drive a performance-oriented vehicle and expect crisp throttle response and confident acceleration, the right fuel treatment can...

Archoil AR9100 is a concentrated oil additive that reduces injector stiction in Power Stroke engines and delivers anti-wear, friction-reducing protection for gasoline and diesel powertrains. AR9100 is formulated to address sticky HEUI injectors found in 6.0L and 7.3L Power Stroke engines while also serving...

Rislone Diesel DEF Treatment is an anti-crystallization additive you pour into the DEF/AdBlue tank at each refill to help prevent white crystalline deposits in SCR systems. Modern diesel exhaust aftertreatment systems rely on a clean Diesel Exhaust Fluid (DEF) supply to function efficiently. Over...

Dr. Tranny Lubegard Instant Shudder Fix is a concentrated friction modifier sold as six 2 oz application tubes designed to stop torque-converter lock-up shudder quickly when added to automatic transmission fluid. This six-pack of Dr. Tranny by Lubegard contains small, easy-to-use 2 oz tubes...

REV X Stiction Fix Oil Treatment is a two-bottle engine oil additive designed to remove stiction, reduce friction, and clean varnish and sludge without harsh chemical strippers. REV X Stiction Fix comes as a retail-ready two-pack of 4 fl. oz. bottles formulated to treat...

STA-BIL 360 Marine Fuel System Treatment is an all-in-one 8 oz bottle (sold in a 12-pack) formulated to clean, protect and stabilize marine fuel systems for smoother operation and longer component life. Built specifically for boats, personal watercraft and other marine engines, this concentrated...

Hot Shot's Secret Original Stiction Eliminator is an engine oil additive formulated to clean, lubricate, and reduce stiction in gasoline and diesel engines, helping restore injector performance and lower internal wear. This 64 oz bottle contains the brand’s original stiction-fighting formula designed for routine...

Dr. Tranny Instant Shudder Fixx is a concentrated transmission friction modifier sold as six 2 oz tubes (Part #19610) designed to reduce torque converter lock-up shudder and improve clutch engagement in compatible automatic transmissions. This product is a targeted automatic transmission additive formulated to...

AdBlue DEF LR072258 is the OEM-spec diesel exhaust fluid supplied in two leak-free half-gallon bottles, made for Land Rover diesel SCR systems. If your Land Rover Discovery 5, Range Rover Sport, Range Rover L405, Velar or Evoque uses selective catalytic reduction (SCR), this AdBlue®...

BOOSTane Professional Octane Booster is a concentrated 32oz racing additive that raises pump gas octane up to 116 for high-performance and race engines. Whether you're tuning a turbocharged track car or preparing a naturally aspirated drag engine, BOOSTane Professional is formulated to significantly elevate...

Lubegard 63032 Platinum Universal ATF Protectant is a 32 oz additive that converts many standard Dexron/Mercon ATFs into dealer-style OEM ATF performance while restoring and protecting transmission components. Designed for technicians and DIYers who want dealer-level transmission performance without stocking multiple proprietary fluids, this...

AT-205 Re-Seal is a concentrated seal rejuvenator that restores hardened rubber seals and gaskets to reduce leaks without harming internal components. Whether a vehicle’s oil, transmission fluid, power steering fluid, or hydraulic system is weeping from aged rubber parts, ATP Automotive’s AT-205 Re-Seal works...

Hot Shot's Secret Diesel Extreme Fuel Additive (64 oz) is a concentrated treatment designed to clean fuel tanks and injectors, remove free water, stabilize diesel, and improve lubrication throughout the fuel system. Whether you operate a diesel pickup, work truck, or heavy equipment, maintaining...

Stanadyne Performance Formula is a concentrated diesel fuel additive that cleans injectors, restores cetane, improves cold-flow properties, and helps recover lost fuel economy and power. Designed for modern diesel engines and compatible with ultra-low sulfur diesel and biodiesel blends up to B20, this four-pack...

Marvel Mystery Oil Original Motor Treatment is a multi-purpose fuel and oil additive that cleans fuel systems, lubricates internal engine parts, and helps reduce wear for longer engine life. Designed over a century ago and still used today, Marvel Mystery Oil is a concentrated...