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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Catalytic Cleaner, Boost Up Catalytic, Boost Up Catalytic Converter Cleaner Auto Parts EngineFuel and Exhaust Pipe Cleaners,Fuel System Treatment Oil for Gas and Diesel Car (1PCS)
Regular price $28.49 USDRegular price $28.49 USDUnit price / perSale price -
Opti-Lube Gas Enhance Fuel ADDITIVE: 8OZ 4 Pack Long Neck Bottles
Regular price $68.46 USDRegular price $68.46 USDUnit price / perSale price -
Ferox Fuel Catalyst for Trucks | Heavy-Duty Fuel Treatment for Diesel & Gas | Optimize Power, Reduce Waste | Treats Large Tanks | 1 Tab = 50 GAL | Works in All Engines
Regular price $67.49 USDRegular price $67.49 USDUnit price / perSale price -
Extreme Weather Diesel Exhaust Fluid Anti-Freeze Treatment & Additive
Regular price $55.49 USDRegular price $55.49 USDUnit price / perSale price -
Catalytic Cleaner, Boost Up Catalytic, Boost Up Catalytic Converter Cleaner Auto Parts EngineFuel and Exhaust Pipe Cleaners,Fuel System Treatment Oil for Gas and Diesel Car (2PCS)
Regular price $43.49 USDRegular price $43.49 USDUnit price / perSale price -
Opti-Lube Gas Enhance Fuel ADDITIVE: 8OZ Long Neck Bottles (24 Pack)
Regular price $330.63 USDRegular price $330.63 USDUnit price / perSale price -
BlueDevil Products 00261 Engine Oil Treatment - 1 Quart
Regular price $29.46 USDRegular price $29.46 USDUnit price / perSale price -
Catalytic Cleaner, Boost Up Catalytic, Boost Up Catalytic Converter Cleaner Auto Parts EngineFuel and Exhaust Pipe Cleaners,Fuel System Treatment Oil for Gas and Diesel Car (3PCS)
Regular price $58.49 USDRegular price $58.49 USDUnit price / perSale price -
Opti-Lube Gas Enhance Fuel ADDITIVE: 8OZ Long Neck Bottles (12 Pack)
Regular price $176.39 USDRegular price $176.39 USDUnit price / perSale price -
Opti-Lube Winter Formula Anti-Gel Diesel Fuel Additive: Gallon (4 Gallons (Treats 2048 Gallons))
Regular price $370.02 USDRegular price $370.02 USDUnit price / perSale price -
BIO-QT Biobor Fuel Additive Quart
Regular price $112.34 USDRegular price $112.34 USDUnit price / perSale price -
Ferox – Performance Fuel Catalyst | Not an Additive, It’s an Advantage | Built for The Road, Trail, and Beyond | All Fuels, All Engines | 1 Tab = 20 GAL
Regular price $22.49 USDRegular price $22.49 USDUnit price / perSale price -
2 Pack Bullsoneshot Standard Total Fuel System Cleaner & Fuel Additive for Gasoline Engine
Regular price $37.49 USDRegular price $37.49 USDUnit price / perSale price -
Ferox Fuel Additives | 10 Tabs for Car | Fuel System Cleaner for Gasoline & Diesel Engines | Eco-Friendly Fuel Injector Cleaner & Fuel Stabilizer to Boost Power | 1 Tab Treats 20 Gallons / 80 liters
Regular price $44.99 USDRegular price $44.99 USDUnit price / perSale price -
BestLine Racing Diamond Nano-Lubricant Engine Oil Additive For Gas & Diesel Engines.- Made in the USA. Reduce Friction by 60% - High Performance, Engine Protection, and Extend Oil Life
Regular price $32.92 USDRegular price $32.92 USDUnit price / perSale price -
Ferox – Performance Fuel Catalyst | Not an Additive, It’s an Advantage | Total Combustion Control | Race Gas Feel, Fraction of The Price | Any Fuel, Any Engine | 1 Tab = 8 GAL
Regular price $22.49 USDRegular price $22.49 USDUnit price / perSale price