Mishimoto 2015 Ford Mustang EcoBoost / 3.7L / 5.0L Aluminum Coolant Expansion Tank-Polished

Add some additional reliability and engine bay styling with the Mishimoto Ford Mustang EcoBoost, V6, V8 Aluminum Coolant Expansion Tank. The Mishimoto Coolant Expansion Tank has internal baffles to prevent coolant starvation from overflow ports to engine. Also, during high speed cornering, braking, and acceleration, the internal baffled reduce coolant sloshing. The engineers at Mishimoto have also included a sight glass to allow for proper hot and cold coolant levels. The stock coolant expansion tanks is major eye sore in the engine bay, so the Mishimoto Expansion Tank is offered in polished or anodized black to keep your Mustang looking great and installs in under one hour! This tank was designed to work with the stock expansion tank cap and includes an overflow nipple on the fill neck for adding an additional coolant tank so your Mustang is NHRA legal. Plastic expansion tanks are prone to failure after years of constant temperature variations, so the Mishimoto tank is constructed from durable, TIG-welded aluminum for optimal durability and longevity. The Mishimoto Coolant Expansion Tank is engineered for perfect fitment in the 2015-2023 Ford Mustang EcoBoost, V6 and V8! As with all our products, this expansion tank includes the Mishimoto Lifetime Warranty.in

Additional Information

Engine coolant reservoir designed to store and regulate excess coolant for proper system operation. Durable construction resists heat and pressure, helping prevent leaks and maintain optimal temperature.

Application Summary

2015 Ford Mustang EcoBoost 2.3 Liter 6R80, 2015 Ford Mustang EcoBoost Premium 2.3 Liter 6R80, 2015 Ford Mustang GT 5.0 Liter 6R80, 2015 Ford Mustang GT 50 Years Limited Edition 5.0 Liter 6R80, 2015 Ford Mustang GT Premium 5.0 Liter 6R80, 2015 Ford Mustang V6 3.7 Liter 6R80

Part Type

Engine Coolant Reservoir

• Installs in under 1 hour
• Internal baffles keep coolant near overflow port during aggressive driving, preventing air entry into coolant system
• Sight tube allows for proper hot and cold coolant levels

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Coolant Reservoir Tank, Rectangular, Recirculating, Bolt-in, Aluminum, Polished, Ford, Each

Mishimoto coolant reservoir tanks offer under-your-hood styling! Whether you're polishing the look of your engine bay or you just want to replace the plastic OEM tank, Mishimoto aluminum coolant reservoir tanks are your solution. These inclusive kits are delivered with a mounting bracket, hardware, and reinforced hose. Improve the aesthetics of your engine bay with polished aluminum coolant reservoir tanks from Mishimoto.