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Enhance your Subaru WRX or STI's engine bay with the Mishimoto Aluminum Coolant Expansion Tank, specifically designed for models from 2002 to 2016. Crafted from durable, TIG-welded aluminum, this expansion tank offers superior strength and reliability, ensuring it withstands the thermal cycles of your vehicle's cooling system. The tank features high-quality, leak-free barb fittings that provide a secure connection, preventing coolant leaks and maintaining optimal pressure within your cooling system. With a 50-percent increase in capacity over the stock plastic unit, it helps prevent overheating and coolant loss during demanding driving conditions.
Finished in a sleek black anodized coating, this expansion tank not only improves function but also enhances the aesthetic appeal of your engine bay. Its perfect fitment for a wide range of Subaru models from 2004 to 2016 ensures straightforward installation without modifications. The Mishimoto Coolant Expansion Tank complements Mishimoto's Performance Aluminum Radiator, creating a cohesive upgrade for your vehicle's cooling system. Backed by Mishimoto's lifetime warranty, this expansion tank provides peace of mind and long-lasting performance, making it an excellent upgrade for enthusiasts seeking durability and style.
This product is engineered for vehicles with 2.0 and 2.5-liter engines, including the WRX and STI models, and is suitable for both daily driving and high-performance applications. Whether you're restoring your vehicle or enhancing its cooling efficiency, this expansion tank offers a significant upgrade over stock components, ensuring your Subaru remains reliable under demanding conditions.
Features:
Fitment:
2002 Subaru Impreza WRX
2003 Subaru Impreza WRX
2004 Subaru Baja Turbo
2004 Subaru Forester XT
2004 Subaru Impreza WRX
2004 Subaru Impreza WRX STI
2005 Saab 9-2X Aero
2005 Subaru Baja Turbo
2005 Subaru Forester XT
2005 Subaru Forester XT Premium
2005 Subaru Impreza WRX
2005 Subaru Impreza WRX STI
2006 Saab 9-2X Aero
2006 Subaru Baja Turbo
2006 Subaru Forester XT Limited
2006 Subaru Impreza WRX
2006 Subaru Impreza WRX Limited
2006 Subaru Impreza WRX STI
2006 Subaru Impreza WRX TR
2007 Subaru Forester XT Limited
2007 Subaru Impreza WRX
2007 Subaru Impreza WRX Limited
2007 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2007 Subaru Impreza WRX TR
2008 Subaru Forester Sports 2.5 XT
2008 Subaru Forester XT Limited
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).
