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 Optimize your diesel engine's performance with AMSOIL Diesel Fuel Additives, engineered to address the unique challenges of modern diesel engines. Whether you’re seeking enhanced fuel efficiency, improved cold-weather performance, or reliable emergency solutions, AMSOIL has you covered.

Key benefits include:

• Cleaner injectors and improved fuel economy: Prevents deposits and reduces injector wear for peak efficiency and up to 8% better fuel economy​(Diesel All-in-One Addit…)​(Diesel Injector Clean D…).
• Enhanced cold-weather reliability: Prevents gelling, reduces wax settling, and improves flowability in extreme conditions​(Diesel All-in-One Addit…)​(Diesel Cold Flow Additi…).
• Increased cetane for smoother operation: Raises cetane up to 8 points, ensuring easier starts, smoother idling, and reduced emissions​(Diesel Cetane Boost Dat…)​(Diesel Injector Clean +…).
• Emergency performance: Quickly dissolves gelled fuel and thaws frozen fuel filters to get you back on the road​(Diesel Recovery Data Sh…).

AMSOIL’s diesel additive lineup includes:

• Diesel All-In-One: Combines detergency, lubricity, and cold-weather performance in a single, all-season solution​(Diesel All-in-One Addit…).
• Diesel Injector Clean: Targets tough internal and traditional injector deposits while lubricating pumps and injectors​(Diesel Injector Clean D…).
• Diesel Cetane Boost: Maximizes power and improves startability by raising fuel cetane​(Diesel Cetane Boost Dat…).
• Diesel Cold Flow: Protects against gelling and improves low-temperature operability​(Diesel Cold Flow Additi…).
• Diesel Injector Clean + Cetane Boost: A dual-action formula for enhanced cleaning and performance​(Diesel Injector Clean +…).
• Diesel Recovery: Emergency treatment for gelled fuel, restoring flow quickly and safely​(Diesel Recovery Data Sh…).

Whether for heavy-duty trucking, off-road machinery, or light-duty diesel vehicles, AMSOIL Diesel Fuel Additives deliver unmatched protection, reliability, and performance to keep your engine running strong.

 Protect your diesel engine with AMSOIL's most advanced formula—Signature Series 100% Synthetic Max-Duty Diesel Oil. Engineered for diesel enthusiasts and hardworking professionals, this oil delivers 6X better wear protection than industry standards, ensuring your engine runs stronger for longer. With superior viscosity control, it resists the thickening effects of soot and oxidation, maintaining peak performance even in extreme conditions.

Key benefits include:

• Exceptional wear protection: Guards vital components like rings and cylinder liners, preserving power and fuel efficiency.
• Extreme temperature performance: Stays fluid in sub-zero starts and resists breakdown during high-heat operations.
• Reduced oil consumption: Offers up to 76% less burn-off compared to conventional oils.
• Turbocharger cleanliness: Keeps turbochargers running at maximum efficiency, even under heavy loads.

Whether you're pushing through tough jobs or towing with confidence, Signature Series Max-Duty Diesel Oil provides the durability and dependability your diesel deserves. Designed for extended drain intervals, this oil protects your investment while saving time and money.

 Keep your diesel equipment running at peak performance with AMSOIL Heavy-Duty 100% Synthetic Diesel Oil. Designed for hard-working engines, this oil delivers 4X better wear protection than required by industry standards, helping reduce maintenance costs and extend engine life. Its advanced synthetic base oils and detergent additives ensure superior viscosity control and protect against soot build-up, keeping your engine clean and efficient.

Key benefits include:

• Enhanced engine durability: Reduces wear on critical components like rings and cylinder liners for maximum lifespan.
• Extreme temperature reliability: Performs in severe heat and stays fluid in freezing conditions for dependable cold starts.
• Reduced oil consumption: Up to 66% less burn-off compared to standard oils, minimizing waste and improving value.

Whether you're hauling heavy loads, working on job sites, or maintaining a fleet, AMSOIL Heavy-Duty Synthetic Diesel Oil provides the reliability and efficiency your equipment demands.

 Elevate your fleet's performance with AMSOIL Commercial-Grade Diesel Oil, a high-value, synthetic-blend oil with over 50% synthetic content. Engineered to deliver 2X better wear protection than conventional oils, it ensures your equipment runs efficiently while reducing downtime and maintenance costs. Its advanced formulation minimizes viscosity change and keeps soot particles suspended to prevent wear-causing deposits.

Key benefits include:

• Durable engine protection: Protects against wear on critical components like cylinder liners and rings, preserving engine power and efficiency.
• Dependable in extreme conditions: Withstands severe heat and remains fluid in cold temperatures for consistent performance.
• Reduced oil consumption: Lower burn-off helps maintain clean combustion chambers and extends component life.

Whether you're managing a commercial fleet or operating heavy-duty equipment on a budget, AMSOIL Commercial-Grade Diesel Oil delivers reliable protection and outstanding value for demanding applications.

 Experience precision-engineered performance with AMSOIL 100% Synthetic European Motor Oil, specially formulated for the unique demands of European gasoline, diesel, and hybrid engines. Designed to meet the exacting standards of European automakers, this oil provides reliable protection while supporting emissions system performance.

Key benefits include:

• Exceptional engine cleanliness: Fights sludge and deposit build-up for superior performance and longevity.
• Turbocharger protection: Resists high-temperature breakdown, cooling turbochargers and preventing oil starvation during cold starts.
• Extended drain intervals: Maintains dependable performance throughout the long service intervals recommended by European manufacturers.

Whether you drive a high-performance gasoline car or a fuel-efficient diesel, AMSOIL European Motor Oil offers tailored protection for engines requiring top-tier lubrication.

 AMSOIL oil analysis kits provide a comprehensive solution for monitoring the condition and performance of engine oil in various vehicles and machinery. These kits are designed to help users detect potential issues before they lead to significant problems by analyzing the oil for contaminants, wear metals, and other indicators of engine health. By utilizing Oil Analyzers state-of-the-art laboratory services, users receive detailed reports on the oil's condition, helping to optimize maintenance schedules and extend the lifespan of engines. This proactive approach not only enhances equipment reliability but also maximizes efficiency and minimizes downtime and repair costs. Additionally, incorporating oil analysis into routine maintenance practices can lead to significant long-term savings and ensures that machines operate at peak performance. 

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