AMSOIL OE Synthetic Motor Oil is API certified and specially formulated for longer oil change intervals recommended by vehicle manufacturers. Advanced synthetic technology resists chemical breakdown for maximum wear protection well beyond 3,000-miles

AMSOIL OE Motor oil ensures customers’ vehicles receive excellent protection for the entire length of the manufacturer-recommended drain interval, whether it’s 3,000 miles or 10,000 miles. Lower cost and still ensures maximum protection engines.

Best Oil for Harley Davidson motorcycles is AMSOIL. AMSOIL Synthetic 20W-50 Motorcycle Oil (MCV) is a premium oil designed for Harley and those who demand the absolute best lubrication for their motorcycles.

Amsoil has the World's Best 15w-40 Diesel Oil.This is the best lubricant money can buy. If you own a Dodge truck with a Cummins Turbo, Chevy / GMC Duramax, Ford PowerStroke or semi truck / Bigrig, Tow Truck you owe it to yourself to use it.

AMSOIL XL Synthetic Motor Oils have been reformulated to last longer in service and meet the more stringent ILSAC GF-5 and API SN service categories.10,000 miles or six months of service,WCF or longer oil life monitoring systems.