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MORE PERFORMANCE, LESS WEAR: WHY GEAR-OIL COMPATIBILITY MATTERS

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Ask AMSOIL

MORE PERFORMANCE, LESS WEAR: WHY GEAR-OIL COMPATIBILITY MATTERS

Proper selection of gear oil is essential for maintaining the performance, efficiency and longevity of your vehicle.

November 18, 2025

The AMSOIL App: Fast, Responsive, Off-Road Capable

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The AMSOIL App: Fast, Responsive, Off-Road Capable

The AMSOIL app provides a faster, smarter and more personalized way to order products and manage maintenance.

November 4, 2025

Martin Camp Joins Team AMSOIL for 2026 Dakar Rally

Martin Camp Joins Team AMSOIL for 2026 Dakar Rally

Martin Camp’s lifelong dream of competing in the Dakar Rally is drawing closer as he approaches his 60th birthday.

October 31, 2025

Editor’s Picks

Turn More Heads with AMSOIL Car Care

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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.

Your Ultimate Oil Change

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Your Ultimate Oil Change

Right product. Right package. Right to your door.

What AMSOIL Motor Oil is Right for You?

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What AMSOIL Motor Oil is Right for You?

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

Top 5 Motor Oil Myths Busted

Top 5 Motor Oil Myths Busted

Motor oil myths abound. Here are five of the most persistent along with our myth-busting facts.

Synthetic vs. Conventional Oil: The Definitive Guide

Synthetic vs. Conventional Oil: The Definitive Guide

Find out everything you need to know about synthetic vs. conventional motor oil.

5W-20 vs 5W-30 vs 10W-30: What’s the Difference?

5W-20 vs 5W-30 vs 10W-30: What’s the Difference?

The primary differences are their viscosities when cold and once your engine has reached operating temperature.

Transmission Flush vs Fluid Change: Which is Better?

Transmission Flush vs Fluid Change: Which is Better?

Is a flush or pan drop better when changing transmission fluid? Learn the pros and cons of each method.

How to Check Power Steering Fluid (and When to Change it)

How To

How to Check Power Steering Fluid (and When to Change it)

There are a couple ways to change power steering fluid, depending on your technical know-how.

How to Clean your Gas and Diesel Fuel Injectors

How to Clean your Gas and Diesel Fuel Injectors

Using proven AMSOIL fuel additives can save you money on expensive maintenance.

Featured

Turn More Heads with AMSOIL Car Care

News

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

Your Ultimate Oil Change

News

Your Ultimate Oil Change

Right product. Right package. Right to your door.

November 1, 2024

What AMSOIL Motor Oil is Right for You?

News

What AMSOIL Motor Oil is Right for You?

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

December 11, 2023

Understanding Oil Viscosity

How To

Understanding Oil Viscosity

Viscosity is the measure of a fluid’s resistance to flow.

January 17, 2023

AMSOIL Performance Testing

Laboratory tested and proven on the road.

See how AMSOIL products perform in the lab and in the field.

Check out the tests

Latest News

MORE PERFORMANCE, LESS WEAR: WHY GEAR-OIL COMPATIBILITY MATTERS

News

Ask AMSOIL

MORE PERFORMANCE, LESS WEAR: WHY GEAR-OIL COMPATIBILITY MATTERS

Proper selection of gear oil is essential for maintaining the performance, efficiency and longevity of your vehicle.

November 18, 2025

The AMSOIL App: Fast, Responsive, Off-Road Capable

News

The AMSOIL App: Fast, Responsive, Off-Road Capable

The AMSOIL app provides a faster, smarter and more personalized way to order products and manage maintenance.

November 4, 2025

Martin Camp Joins Team AMSOIL for 2026 Dakar Rally

Martin Camp Joins Team AMSOIL for 2026 Dakar Rally

Martin Camp’s lifelong dream of competing in the Dakar Rally is drawing closer as he approaches his 60th birthday.

October 31, 2025

30 Gift Ideas for the Gearhead on Your List

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Ask AMSOIL

30 Gift Ideas for the Gearhead on Your List

Don’t know what to get for the enthusiast on your list? Here are 30 items they will love.

October 29, 2025

Sportsman Spotlight: Nicholas Reich’s Journey from Wisconsin Trails to the Winner’s Circle

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Sponsorships

Sportsman Spotlight: Nicholas Reich’s Journey from Wisconsin Trails to the Winner’s Circle

Reich has quickly established himself as a powerful force in the sport of rock racing.

October 14, 2025

Latest Videos

AMSOIL Snowmobile Oil is Engineered for Extremes

AMSOIL Snowmobile Oil is Engineered for Extremes

February 12, 2025

Latest Events

Martin Camp Joins Team AMSOIL for 2026 Dakar Rally

Martin Camp Joins Team AMSOIL for 2026 Dakar Rally

Martin Camp’s lifelong dream of competing in the Dakar Rally is drawing closer as he approaches his 60th birthday.

October 31, 2025

Latest Testimonials

Appalachian Trail Shuttle Service Runs on AMSOIL

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Appalachian Trail Shuttle Service Runs on AMSOIL

Brown’s 2019 Toyota* 4-Runner TRD Off-Road* has reached 642,000 miles and still runs great.

August 7, 2025

Banks Power

Since the 1960s, Gale Banks’ futuristic high-performance engines have broken new ground and set world records.

May 20, 2025

More Testimonials

SYNTHETIC VS. CONVENTIONAL

Although you might know that synthetic oils outperform conventional oils, you might not understand why. The differences begin at the molecular level.

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