Skip to main content

The Best Priced 100% Synthetic Value

AMSOIL 5W-30 100% Synthetic High-Mileage Motor Oil

Save More in the Sioux Falls store when you Join!

If you buy in the Sioux Falls AMSOIL store become a PC and save!

Look up your Oil, Filters and Save 25%

Free Catalog

See the Latest Products and Preferred Customer Pricing.

Vehicle Look-Up Guides

Match AMSOIL to your Equipment. Get Filter Numbers

Wholesale Buying Deal

Local or Out of State - Get AMSOIL at Cost (PC Pricing)

Customer Reviews

AMSOIL-Sponsored Chase Sexton Takes Supe...

AMSOIL-Sponsored Chase Sexton Takes Supercross Crown

AMSOIL-Sponsored Chase Sexton Takes Supercross Crown Lindsay Premo|May 08, 2019 8:52 AM As I plopped down on the sofa with my second cup of coffee Sunday morning, I tuned the DVR to watch the Supercross finals from Vegas (#centraltimezoneprobs). I knew two things from watching heats and LCQs the night before: 1. Those whoops were […]

How to Clean a Fishing Reel

Clean fishing reel after using AMSOIL Metal Protector.

How to Clean a Fishing Reel Josh Pettit|Jul 11, 2019 11:53 AM At some point, every angler is going to have to clean his fishing reels if he wants them to last. Like most fisherman, I have my favorite fishing equipment I use regularly, take care of after each use and put away nicely. But […]

Lawnmower Won’t Start? Do this.

deposits and varnish in carburetor bowl

Lawnmower Won’t Start? Do this. John Baker|Jul 03, 2019 1:48 PM A lawnmower that won’t start, especially when taken from storage, is almost always due to one problem: bad gas. Storing a lawnmower in the fall without adding gasoline stabilizer to the fuel tank can cause the fuel to break down and plug the fuel passages. If fixing […]