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Upgrade your vehicle's cooling system with the Mishimoto racing thermostat designed specifically for the 2007-2009 Nissan 350Z and compatible Infiniti models. This high-performance thermostat opens at a lower temperature, approximately 155°F (68°C), enabling coolant to circulate earlier in the engine's operation. This feature helps maintain optimal engine temperatures during demanding street driving or track conditions, reducing the risk of overheating and improving overall thermal efficiency. Constructed with quality materials, the Mishimoto thermostat ensures reliable operation and enhanced cooling performance under extreme driving scenarios. Its installation is straightforward and compatible with stock cooling systems, making it an ideal upgrade for enthusiasts seeking improved engine longevity and consistent temperature management. The thermostat is backed by Mishimoto's signature lifetime warranty, reflecting confidence in durability and quality. Whether you're upgrading a stock engine or tuning a forced induction setup, this component provides the cooling benefits necessary for high-performance driving. Proper thermal regulation not only improves engine responsiveness but also contributes to better fuel efficiency and prolonged engine life. Suitable for use in various Nissan and Infiniti models with 3.5-liter engines, this racing thermostat is a trusted choice for serious drivers and automotive enthusiasts alike.
Features:
Fitment:
2007 Nissan 350Z Base
2007 Nissan 350Z Enthusiast
2007 Nissan 350Z Grand Touring
2007 Nissan 350Z Nismo
2007 Nissan 350Z Touring
2008 Infiniti EX35 Base
2008 Infiniti EX35 Journey
2008 Infiniti G35 Base
2008 Infiniti G35 Journey
2008 Infiniti G35 Sport
2008 Infiniti G35 X
2008 Nissan 350Z Base
2008 Nissan 350Z Enthusiast
2008 Nissan 350Z Grand Touring
2008 Nissan 350Z Nismo
2008 Nissan 350Z Touring
2009 Infiniti EX35 Base
2009 Infiniti EX35 Journey
2009 Infiniti FX35 Base
2009 Infiniti M35 Base
2009 Infiniti M35 X
2009 Nissan 350Z Enthusiast
2009 Nissan 350Z Grand Touring
2009 Nissan 350Z Touring
2010 Infiniti EX35 Base
2010 Infiniti EX35 Journey
2010 Infiniti FX35 Base
2010 Infiniti M35 Base
2010 Infiniti M35 X
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
