Whatever You Drive. Wherever You Go.

I’m not selling oil — I’m protecting the machines that take you places. Independent AMSOIL dealer shipping across the U.S. and Canada.

Join & Save 25%
Up to 25% OffReduced pricing on every orderFree ShippingOn orders over $100$5 BackFor every $100 you spendExclusive PromotionsMember-only deals all yearBirthday GiftA $5 coupon on your dayFree Membership RenewalWhen you spend $500+Up to 25% OffReduced pricing on every orderFree ShippingOn orders over $100$5 BackFor every $100 you spendExclusive PromotionsMember-only deals all yearBirthday GiftA $5 coupon on your dayFree Membership RenewalWhen you spend $500+

Partners & Affiliates:

Minnesota Adventure Trails Tread Lightly Invisible Wounds Project ADV Anonymous
Josh and Becky Friesen, owners of Mill City Synthetics, smiling outdoors with red rock formations in the background

Why Choose Mill City Synthetics?

Family-Run, Enthusiast-Driven

Mill City Synthetics is a family-run dealership — you deal directly with Josh and Becky, not a call center.

Family-Run for Personal Touch

You get a real person — Josh or Becky, not a call center. We respond within the hour.

Family-Run & Enthusiast-Owned

Quality Synthetic Products

Explore our premium offerings today!

Signature Series 0W-20 Motor OilSignature Series 0W-20 Motor OilShop NowSevere Gear 75W-90 Gear LubeSevere Gear 75W-90 Gear LubeShop NowP.i. Performance ImproverP.i. Performance ImproverShop NowHigh-Mileage 5W-30 Motor OilHigh-Mileage 5W-30 Motor OilShop NowMulti-Vehicle Synthetic ATFMulti-Vehicle Synthetic ATFShop NowQuickshot Gas TreatmentQuickshot Gas TreatmentShop NowSignature Series 5W-20 Motor OilSignature Series 5W-20 Motor OilShop NowSignature Series 5W-30 Motor OilSignature Series 5W-30 Motor OilShop Now

What Our Customers Are Saying

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Got a Question About Your Rig?

Tell us what you drive and we’ll tell you exactly what it needs. The fastest way to reach us is text: (651) 300-2010 — we respond within the hour.

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