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Ensure optimal engine temperature regulation in your Jeep Wrangler JK with the Mishimoto 3.6L Thermostat and Housing. Engine overheating can cause significant internal damage, and a faulty thermostat is often the culprit. This upgraded thermostat features a high-quality aluminum housing designed for enhanced durability and leak prevention, making it suitable for all climates and driving conditions. The included galvanized steel bleeder screw provides a tighter seal and simplifies maintenance, ensuring your cooling system remains reliable over time. This thermostat opens at approximately 194°F, slightly lower than the stock 203°F, to promote proper coolant flow and maintain consistent engine temperature as intended by the manufacturer. Constructed using premium wax components, Mishimoto thermostats guarantee smooth operation and long-lasting performance. Backed by Mishimoto's Lifetime Warranty, this part offers peace of mind along with superior craftsmanship and quality. Installing this thermostat helps prevent engine overheating, reduces wear, and maintains optimal engine efficiency, making it an essential upgrade for Jeep owners seeking reliability and durability in their cooling system.
Features:
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).
