Diesel

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How Engine Sludge Forms. And How to Prevent It.

Engine sludge is a black gelatinous substance that wreaks havoc in engines.

July 29, 2026

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A Decade of AMSOIL Ultimate Callout Challenge

March 27, 2026

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Two-Stroke and Four-Stroke Engine Lubrication Differences

January 19, 2026

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Protect Against Cylinder-Liner Cavitation

September 5, 2025

Product Highlights

Biodiesel’s Impact on Diesel Oil

Biodiesel presents some benefits over conventional fuel, but it also presents some challenges to diesel oil.

July 23, 2025

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The Difference Between Winter- and Summer-Blend Gas

Summer-blend gas provides about 1.7 percent increased energy content, meaning it offers a slight boost in fuel economy. Here's how...

May 15, 2025

Prevent Fuel-Contamination Issues in Excavators

May 5, 2025

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Be Prepared for Winter Driving

Prepare your vehicle for hazardous roads before winter arrives.

December 4, 2024

Superior Diesel Cold-Temperature Protection

December 1, 2024

How To

How to Prevent Diesel Fuel Gelling in Cold Weather

Learn how to keep frozen diesel fuel from leaving you stranded.

December 1, 2024

News

A Closer Look at Diesel Fuel Systems

While technology continues to advance, diesel fuel systems still require support from fuel additives with every tank.

August 27, 2024

Which Diesel Oil Do You Need? A Simple Comparison

May 29, 2024

Performance Racing Industry Awards 2023

December 18, 2023

How To

Combat the Effects of Cold Temperatures

October 25, 2023

How To

Top 5 Skid Steer Maintenance Tips

September 29, 2023

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Turn More Heads with AMSOIL Car Care

AMSOIL car-care products are engineered with advanced technology to deliver powerful cleaning action that helps vehicles shine brighter.

June 3, 2025

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Your Ultimate Oil Change

Right product. Right package. Right to your door.

November 1, 2024

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Which AMSOIL Motor Oil Is Right for You? A Comparison

No matter what you drive or how you drive, AMSOIL provides specially formulated motor oil designed to protect your vehicle.

December 11, 2023

Bryce Menzies

Legend. After seven championships and numerous podium finishes, Bryce Menzies has already earned the moniker.

October 25, 2024

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Featured

How Engine Sludge Forms. And How to Prevent It.

Latest

A Decade of AMSOIL Ultimate Callout Challenge

Two-Stroke and Four-Stroke Engine Lubrication Differences

Protect Against Cylinder-Liner Cavitation

Biodiesel’s Impact on Diesel Oil

AMSOIL
SHOP BY VEHICLE TOOL

Browse Articles

The Difference Between Winter- and Summer-Blend Gas

Prevent Fuel-Contamination Issues in Excavators

Be Prepared for Winter Driving

Superior Diesel Cold-Temperature Protection

How to Prevent Diesel Fuel Gelling in Cold Weather

A Closer Look at Diesel Fuel Systems

Which Diesel Oil Do You Need? A Simple Comparison

Performance Racing Industry Awards 2023

Combat the Effects of Cold Temperatures

Top 5 Skid Steer Maintenance Tips

Featured In Other Sections:

Turn More Heads with AMSOIL Car Care

Your Ultimate Oil Change

Which AMSOIL Motor Oil Is Right for You? A Comparison

Bryce Menzies

AMSOIL Performance Testing

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