Collection: Additives
Enhance your vehicle’s performance and longevity with premium additives from GearUp Supply. Our carefully selected collection of automotive oils and fluids is designed to optimize engine efficiency, reduce wear, and maintain smooth operation under all driving conditions. Whether you’re looking to boost fuel economy or protect vital components, these practical yet high-quality additives deliver reliable results, making them an essential part of any smart maintenance routine. Trust GearUp Supply for products that balance cutting-edge formulation with everyday dependability.
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Lucas Oil 10020-PK24 Fuel Treatment - 5.25 Ounce (Pack of 24)
Regular price $142.45 USDRegular price $142.45 USDUnit price / perSale price -
Archoil AR6500 Diesel Treatment (40 Ounces) - Treats 400 Gallons - Additive for All Diesel Vehicles
Regular price $67.43 USDRegular price $67.43 USDUnit price / perSale price -
STAR BRITE Star Tron Enzyme Fuel Treatment - Concentrated Formula 32 Fl. Oz. – Treats up to 512 Gallons - Fuel Stabilizer & Treatment, Gasoline Stabilizer, Star Tron Marine Enzyme Fuel Treatment
Regular price $37.49 USDRegular price $37.49 USDUnit price / perSale price -
Lucas Oil LUC10020 Fuel Treatment - 5.25 Oz, multi-colored
Regular price $8.32 USDRegular price $8.32 USDUnit price / perSale price -
TECHRON - 266701317 Techron Concentrate Plus Fuel System Cleaner, 32 oz
Regular price $32.24 USDRegular price $32.24 USDUnit price / perSale price -
Catalytic Converter Cleaner,120 ml Auto Parts Engine Cleaner, Exhaust System Pipe Carbon Removal Treatment Additive Oil, Fuel System Treatment Oil Additive for Gas and Diesel Car (120ml-1PC)
Regular price $11.99 USDRegular price $11.99 USDUnit price / perSale price -
Archoil AR6500 Diesel Treatment (40 oz) Two Pack - Treats 800 Gallons - Additive for All Diesel Vehicles
Regular price $119.85 USDRegular price $119.85 USDUnit price / perSale price -
Star Tron Enzyme Fuel Treatment Concentrate, 16 Fl. Oz. – Treats up to 256 Gallons – Rejuvenate & Stabilize Old Gasoline, Cure Ethanol Problems, Improve MPG, Reduce Emissions, Increase Horsepower
Regular price $27.99 USDRegular price $27.99 USDUnit price / perSale price -
Lucas Oil 10013 Fuel Treatment - 1 Gallon
Regular price $47.16 USDRegular price $47.16 USDUnit price / perSale price -
Archoil AR6400-D Diesel Fuel System Cleaner (Two Pack) - Cleans Injectors, Turbo & DPF
Regular price $67.35 USDRegular price $67.35 USDUnit price / perSale price -
Archoil AR6400-D Diesel Fuel System Cleaner - Cleans Injectors, Turbo, DPF & EGR
Regular price $37.42 USDRegular price $37.42 USDUnit price / perSale price -
Archoil AR6400-D Diesel Fuel System Cleaner (Four Pack) - Cleans Injectors, Turbo & DPF
Regular price $119.85 USDRegular price $119.85 USDUnit price / perSale price -
Phoenix Systems BrakeStrip Plus Service Center Kit. Double Ended Brake Fluid Plus Coolant Test Strips and Rating Scale Cards
Regular price $120.73 USDRegular price $120.73 USDUnit price / perSale price -
2Pcs Catalytic Converter Cleaner, Auto Parts Engine Auto Parts Engine Cleaner, Pipe Carbon Removal Cleaner Treatment Additive Oil, Fuel System Treatment Oil Additive for Gas and Diesel Car (120 ml)
Regular price $22.49 USDRegular price $22.49 USDUnit price / perSale price -
Catalytic Converter Cleaner, Auto Parts Engine Auto Parts Engine Cleaner, Pipe Carbon Removal Cleaner Treatment Additive Oil, Fuel System Treatment Oil for Gas and Diesel Car (2PCS*120ML)
Regular price $19.49 USDRegular price $19.49 USDUnit price / perSale price -
Design Engineering Radiator Relief Coolant Additive Engine Coolant for Cars, Trucks, RVs, Motorcycles & More Radiator Coolant Reduces Engine Temps Up to 30°F 16 oz.
Regular price $25.13 USDRegular price $25.13 USDUnit price / perSale price