10 Best Diesel Oil Additive of December 2025

• 16oz AR9100 Friction Modifier - treats one Power Stroke
• Fixes 6.0L and 7.3L Power Stroke cold start injector problems
• Reduces wear and extends component life
• Reduces engine noise, vibration and heat
• For all diesel and gasoline engines, gearboxes, hydraulics, differentials and power steering systems

Archoil

• AR9100 eliminates HEUI injector problems (6.0L & 7.3L)
• AR6400-D thoroughly cleans diesel fuel systems to restore performance

Archoil

• 100% synthetic oil additive that protects engines and improves performance
• You can use the product in gas or diesel engines, works with synthetic or conventional oil
• FR3 Friction Reducer increases horsepower and fuel economy up to 5 percent
• Reduces engine wear up to 43 percent and oil operating temperature
• 32-ounce friction reducer engine additive reduces lifter and valve noise and restores lost compression

Hot Shot's Secret

• Stiction Eliminator removes 50% more stiction than the leading competitor
• Stiction Eliminator improves Power and Compression
• Diesel Extreme cleans injector tips, cylinders, fuel lines and tank
• Diesel Extreme reduces DPF regeneration cycles up to 50%
• FR3 Friction Reducer increases fuel economy up to 5%
• FR3 Friction Reducer reduces engine wear up to 43%

Hot Shot's Secret

• For best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.
• Provides 1. 5% improved fuel economy performance compared to SAE 15W-40 oils
• Triple Protection Plus formula combines fully synthetic base oils with advanced additives for excellent equipment protection and long engine life
• Formulated with additive technology that protects against the effects of soot, dirt and other contaminants
• Engineered with shear stability to resist viscosity loss and maintain optimal engine oil pressure

Shell Rotella T

• 2 x 16oz AR9100 Friction Modifier - Treat two PowerStrokes
• Fixes 6.0 and 7.3L PowerStroke cold start injector problems
• For gasoline and diesel engines, gearboxes, hydraulics, differentials and power steering systems.
• Reduces wear and extends component life
• Reduces engine noise, vibration and friction heat

Archoil

• Stiction Eliminator for engine oil reduces wear while restoring compression and power
• Stiction Eliminator protects rings, injectors and turbo - anything that the oil touches
• Diesel Extreme cleans injector tips and disperses moisture
• Diesel Extreme fuel system cleaner restores throttle and boosts cetane up 7 points

Hot Shot's Secret

• Improved power; improved compression
• Removed engine deposits; seals rings better
• Neutralized harmful engine acids; reduced frictional drag
• Prevent excessive wear; reduced lifter and valve noise
• Restores oil pressure

Hot Shot's Secret

• Two 4 fl. oz. bottles of REV X High Performance Oil Additive in our stiction fix retail box. Will treat up to 12 quarts of oil.
• Quiets engine noise while cleaning harmful deposits, varnish and sludge in all engines. Reduces friction by creating a microscopic friction reduction layer on all treated components to reach areas standard oils can not.
• Removes stiction, common in HEUI Injectors, without using harmful and dangerous chemical strippers.
• Extends the service life of all synthetic, semi-synthetic, and mineral based oils providing a reduction of wear of all treated engine components.
• Greatly improves or eliminates cold start issues in all diesel engines.

REV X

• DECREASES FUEL consumption by up to 7%.
• RESTORES WORN PARTS to their factory characteristics by up to 70-95%.
• PROTECTS ENGINE PARTS from wear & tear.
• Up to 5 times LESS OIL BURNING in the engine.
• INCREASES ENGINE COMPRESSION up to 40%.

Resurs