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In all 2012 INFINITI G37 models, the standard 3.7L V6 engine was the only option available. Operating on a timing chain system, these chains are designed to exceed 300,000 miles in lifespan, potentially lasting longer than the vehicle. However, if subjected to external damage from accidents or errors during maintenance, the chains may fail. Replacing them would typically range between $110 to $200 for a full kit, with a total parts and labor cost estimated between $600 and $1100.
Thanks for the information.
The Infiniti G37 from 2012 comes equipped with a timing chain instead of a timing belt.