AMSOIL Diesel Oil, Fuel Additives and Maintenance Products

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Quick answer

Use the fitment guide first when product selection depends on the exact vehicle, equipment or service need. Use the product page when you already know the product family you want.

I need diesel oil

Open the diesel oil category for current oil families, viscosities and product details.

View Diesel Oil

• Use this diesel oil category to compare current AMSOIL diesel oil families and viscosities.
• Confirm the exact application before choosing viscosity, package size or service guidance.

I need diesel fuel treatment

Open diesel additive options for routine treatment, cleanup, cetane support, cold-flow planning or gelled-fuel recovery.

View Diesel Fuel Additives

• Use this diesel additive category for fuel cleanup, cetane support, cold-flow planning and gelled-fuel recovery options.
• Choose the additive option by season, fuel condition and current product directions.

Engine and fuel

Diesel oil and additive categories

Choose the engine-oil family by application and the fuel additive by the current operating need. Open the product detail page for current application guidance, then verify the exact fit through the lookup guide when the vehicle or equipment controls viscosity, capacity or part numbers.

Diesel engine oil

Compare current diesel oil families and viscosities after matching the application.

Browse Diesel Engine Oil

• Use this diesel oil category to compare current AMSOIL diesel oil families and viscosities.
• Confirm the exact application before choosing viscosity, package size or service guidance.

Diesel additives

Browse routine treatment, cleanup, cetane, cold-flow and recovery options.

Browse Diesel Additives

• Use this diesel additive category for fuel cleanup, cetane support, cold-flow planning and gelled-fuel recovery options.
• Choose the additive option by season, fuel condition and current product directions.

Diesel Recovery guidance

Review emergency gelled-fuel context before opening the exact recovery product.

Review Diesel Recovery

• Use this diesel additive category for fuel cleanup, cetane support, cold-flow planning and gelled-fuel recovery options.
• Choose the additive option by season, fuel condition and current product directions.

Service systems

Filtration, drivetrain and equipment fluids

Use the category that matches the system, then verify the exact vehicle or equipment application. Open the product detail page for current application guidance, then verify the exact fit through the lookup guide when the vehicle or equipment controls viscosity, capacity or part numbers.

Filters

Confirm each filter by exact application and part number.

Browse Filters

• Oil filters complete the oil change by matching the vehicle's filter part number to the selected oil family.
• Use the vehicle lookup result or product details to confirm the exact filter before ordering.

Bypass filtration

Compare current bypass systems, mounts and related components.

Browse Bypass Filtration

• Bypass systems add a secondary filtration option for applications where the system fits.
• Review system, mount and filter requirements before buying components.

Review bypass guidance

Transmission fluid

Choose transmission fluid only after confirming the transmission and specification.

Browse Transmission Fluid

• Transmission designs require the correct ATF, CVT, DCT or manual fluid family.
• Use product details and lookup results before choosing a fluid.

Gear oil

Confirm viscosity, differential and gearcase requirements.

Browse Gear Oil

• Gearcases, axles and differentials depend on viscosity and application requirements.
• Confirm the system before selecting gear lube.

Hydraulic oil

Match the hydraulic category to the system and viscosity requirements.

Browse Hydraulic Oil

• Hydraulic systems depend on viscosity grade and equipment requirements.
• Use current guidance before selecting an anti-wear or tractor-hydraulic fluid.

Bearing and chassis grease

Choose grease by load, water exposure and service point.

Browse Grease

• Grease points vary by load, water exposure and equipment design.
• Match the grease family to chassis, bearings, pins or bushings.

Antifreeze and coolant

Browse the main coolant category, then confirm chemistry and equipment compatibility before use.

Browse Antifreeze and Coolant

• Coolant selection depends on system requirements and product compatibility.
• Use product details before mixing or changing coolant types.

Vehicle and product match

Confirm the exact match before ordering

FAQ

Common questions