Signature Series

Amsoil Signature Series Synthetic Motor Oil is engineered to outperform conventional and synthetic motor oils. It combines industry-premier synthetic technology with AMSOIL premium additives in a unique formulation that exceeds the higher performance demands of modern engines.

0W-20 (ASM)

Amsoil 0W-20 ASM Signature Series Synthetic Motor Oil is engineered to outperform conventional and synthetic motor oils. It combines industry-premier synthetic technology with Amsoil premium additives in a unique formulation that exceeds the higher performance demands of modern engines.

0W-30 (AZO)

Amsoil Signature Series 0W-30 Synthetic Motor Oil. Amsoil Signature Series Synthetic Motor Oil is engineered to outperform conventional and synthetic motor oils. It combines industry-premier synthetic technology with Amsoil premium additives in a unique formulation that exceeds the higher performance demands of modern engines….

0W-40 (AZF)

Amsoil Signature Series 0W-40 Synthetic Motor Oil (AZF) is engineered to outperform conventional and synthetic motor oils. It combines industry-premier synthetic technology with AMSOIL premium additives in a unique formulation that exceeds the higher performance demands of modern engines. Signature Series delivers the performance and…

10W-30 (ATM)

Amsoil Signature Series 10W-30 Synthetic Motor Oil. Amsoil Signature Series Synthetic Motor Oil is engineered to outperform conventional and synthetic motor oils. It combines industry-premier synthetic technology with Amsoil premium additives in a unique formulation that exceeds the higher performance demands of modern engines….

5W-20 (ALM)

Amsoil Signature Series 5W-20 Synthetic Motor Oil. Amsoil Signature Series Synthetic Motor Oil is engineered to outperform conventional and synthetic motor oils. It combines industry-premier synthetic technology with Amsoil premium additives in a unique formulation that exceeds the higher performance demands of modern engines….

5W-30 (ASL)

Amsoil Signature Series 5W-30 Synthetic Motor Oil. Amsoil Signature Series Synthetic Motor Oil is engineered to outperform conventional and synthetic motor oils. It combines industry-premier synthetic technology with Amsoil premium additives in a unique formulation that exceeds the higher performance demands of modern engines….

5W-50 (AMR)

Amsoil Signature Series 5W-50 Synthetic Motor Oil. Amsoil Signature Series Synthetic Motor Oil is engineered to outperform conventional and synthetic motor oils. It combines industry-premier synthetic technology with Amsoil premium additives in a unique formulation that exceeds the higher performance demands of modern engines….