2009 Toyota Tundra Owners Manual - Page 509

4-3. Do-it-yourself maintenance n Recommended viscosity 4.0 L V6 (1GR-FE) and 4.7 L V8 (2UZ-FE) engines SAE 5W-30 is the best choice for good fuel economy, and good starting in cold weather. *: Outside temperature If SAE 5W-30 oil is not available, SAE 10W-30 oil may be used. However, it should be replaced with SAE 5W-30 at the next oil change. 5.7 L V8 (3UR-FE, 3UR-FBE) engine SAE 5W-20 or 0W-20 *: SAE 5W-20 or 0W-20 engine oil may be used. However, SAE 0W-20 is the best choice for good fuel economy and good starting in cold weather. Outside temperature n How to read oil container labels Some oil containers are labeled with ILSAC certification marks that help you to select the proper oil. 482