Premium synthetic lubricants for every engine
Limited-Time AMSOIL Deal!
Get a FREE USB CHARGING CABLE when you spend $100 on AMSOIL products. Use code CHARGE426 at checkout! This exclusive offer is reserved for Online/Catalog Customers and Preferred Customers.
Free Gift with $100 Purchase
Qualifying AMSOIL orders receive a FREE USB CHARGING CABLE.
Fast Shipping on Orders $100+
Ships from AMSOIL warehouses with full tracking.
Trusted AMSOIL Performance
Independent AMSOIL Dealer support for product selection.
FREE USB CHARGING CABLE with qualifying purchase
Shop these top picks and apply your promo code at checkout.
AMSOIL 100% Synthetic Manual Synchromesh Transmission Fluid
Product Code: MTFQT-EA
National Synthetics is an authorized AMSOIL dealer. Links earn us a commission at no extra cost to you. Full disclosure
Product Code: AGCSC-EA
National Synthetics is an authorized AMSOIL dealer. Links earn us a commission at no extra cost to you. Full disclosure
AMSOIL Miracle Wash Waterless Wash and Wax Spray
Product Code: AMWSC-EA
National Synthetics is an authorized AMSOIL dealer. Links earn us a commission at no extra cost to you. Full disclosure
Great product
"AMSOIL has protected me for years now — all my engines, never had an issue. All the research I've done leads to AMSOIL being the superior product among the oil masses."
- Verified Buyer, Canada
February 13, 2026
Best Oil On The Planet
"This is the best investment for your engine you can make. Do mid-cycle oil filter changes with a good filter."
- Verified Buyer, Texas
February 12, 2026
LT1 Engine Oil
"Quality product, and great customer service."
- Verified Buyer, Texas
February 11, 2026
Preferred Dealer Since 2001
Secure Checkout
Satisfaction Guaranteed
Get a FREE USB CHARGING CABLE when your AMSOIL order reaches $100. Use promo code CHARGE426 at checkout.
Eligible AMSOIL customers who meet the qualifying order amount and apply promo code CHARGE426 before the promotion expires.
This promotion is reserved for eligible AMSOIL customers placing qualifying orders of $100 with promo code CHARGE426. Orders that do not meet those conditions do not receive the free USB CHARGING CABLE.
The promotion expires Tuesday, April 21, 2026 at 11:59 PM Central Time.
1) Add AMSOIL products to reach $100.
2) Enter code CHARGE426 at checkout.
3) Receive your FREE USB CHARGING CABLE if order requirements are met.
Shop directly at AMSOIL.com using dealer number 1858536 and apply promo code CHARGE426 during checkout.
Exclusive offer for AMSOIL Preferred Customers and online/catalog customers. Valid through 11:59 p.m. Central April 21, 2026. To redeem, use code CHARGE426 at checkout. Code will automatically apply product, if eligible, in cart at checkout. Limited to one free USB charging cable (G3919). Redeemable once per customer. Offer applies only to current orders of $100 or more based on subtotal with savings. Offer may be modified or terminated at any time except as prohibited by law. Available while supplies last.
