For a limited time, Preferred Customers and online/catalog customers can get a bottle of AMSOIL Gasoline Stabilizer for $5 when they use code 5GS1025 at checkout. Offer ends Oct. 21, 2025.
Promotions: AMSOIL Gasoline Stabilizer for $5
Eligible Participants: Preferred Customers and online/catalog customers
Effective Dates: Oct. 8-21, 2025
Promo Codes: 5GS1025
Disclaimer:
- Exclusive offer for AMSOIL Preferred Customers and online/catalog customers.
- Valid through 11:59 p.m. Central Oct. 21, 2025.
- Shop at AMSOIL.com to avail yourself of the offer.
- Limited to one 16-oz. bottle of AMSOIL Gasoline Stabilizer (ASTCN/ASTCNC) for $5.
- Use code 5GS1025 to apply price adjustment, if eligible, at checkout.
- Offer may be modified or terminated at any time except as prohibited by law.
- Offer not valid in Alaska or Hawaii.
- Offer may be combined with other offers.
