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Introducing Lucas Oil Additive - Heavy Duty Amber, the ultimate solution for maintaining your fleet and protecting your engine. Made in the USA, this 32 oz bottle of amber-colored liquid is packed with advanced technology that helps extend the life of diesel engines by preventing wear and reducing friction. Its advanced formula effectively cleans and lubricates injectors, reduces smoke and soot, and enhances performance in all climates. Ideal for both on and off-road vehicles, this heavy-duty additive improves fuel economy and helps keep your engine running smoothly. Upgrade your vehicle maintenance routine with Lucas Oil Additive - Heavy Duty Amber and experience the difference for yourself.