2008 Toyota 4Runner Owners Manual - Page 392

07 12.25 -Engine number The engine number is stamped on the engine block as shown. CY20023 CY20014 The vehicle identification number (VIN) is also on the Certification Label. 4.0 L V6 (1GR−FE) engine CY20005 4.7 L V8 (2UZ−FE) engine 350