Dextrous Engineering Co., Ltd., the official importer and distributor of AMSOIL products from the United States, has also been granted exclusive authority to oversee the AMSOIL trademark in Thailand.
To further enhance customer confidence and provide added value to AMSOIL users, Dextrous Engineering Co., Ltd. has launched the AMSOIL Membership & Rewards Program, allowing customers to register as members, earn points, and redeem a wide selection of premium rewards. The program is also designed to provide customers with greater assurance that the AMSOIL products they purchase are 100% genuine and officially imported by Dextrous Engineering Co., Ltd. To support product authentication and help prevent counterfeiting, the Company applies a premium anti-counterfeit QR Code sticker to eligible product packaging prior to delivery to customers.
Products participating in the campaign include:
Motorcycle Engine Oils – Quart Size ;
- 4T Synthetic Performance Motorcycle Oil
- Synthetic Scooter Oil SAE 10W-40
- Metric Motorcycle Oil
- V-Twin Motorcycle Oil
Automotive Engine Oils – Quart and Gallon Sizes ; Applicable to passenger cars, pickup trucks, PPVs, and SUVs.
Customers can simply scan the QR Code on participating products to register as a member and begin earning points. Accumulated points can be redeemed for a variety of premium rewards, including:
- AMSOIL vehicle stickers in various sizes
- Crew-neck T-shirts and polo shirts
- Umbrellas and vehicle covers
- Gasoline and diesel fuel injector cleaners
- 4T Motorcycle Oil and Scooter Oil
- Vehicle cleaning and paint-care products
- Lotus’s Gift Cards
- And many other exclusive rewards
Full details regarding available rewards, point requirements, and redemption conditions will be provided after successful membership registration.
*** Reward Redemption Available from 1 August 2026 ***


