PWR Coolant Overflow Tank 2002-2007 WRX / 2004-2007 STI | All-Aluminum Construction | Replacement Coolant Reservoir
Overview
The PWR Coolant Overflow Tank is a direct replacement reservoir designed specifically for the 2002-2007 Subaru WRX and 2004-2007 WRX STI models. Crafted from high-quality aluminum, this tank serves as a durable and reliable upgrade over the factory plastic units, ensuring efficient coolant overflow management and improved longevity. It is intended for Subaru enthusiasts who demand robust cooling system components that can withstand the rigors of spirited driving and track use.
Handcrafted and TIG welded in the USA, this overflow tank exemplifies precision engineering and attention to detail. PWR’s commitment to quality is evident in the all-aluminum construction, which offers superior resistance to heat and pressure compared to OEM plastic tanks. The design maintains OEM fitment and function, making it a seamless upgrade that integrates perfectly with the factory cooling system.
For Subaru owners, especially those pushing their WRX or STI hard on the street or track, maintaining optimal coolant levels is critical to engine health and performance. This PWR overflow tank provides peace of mind with its durable build and reliable operation, helping to prevent coolant loss and overheating issues. It pairs with the PWR radiator cap CR-UC-YPR008B for a complete cooling system enhancement.
Features & Specifications
This PWR Coolant Overflow Tank is engineered for 2002-2007 Subaru WRX and 2004-2007 WRX STI models and features an all-aluminum construction. Handcrafted and TIG welded in the USA, it delivers enhanced durability and heat resistance for Subaru enthusiasts seeking a reliable and long-lasting coolant reservoir replacement.
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Brand: PWR
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Product: Coolant Overflow Tank 2002-2007 WRX / 2004-2007 STI
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Part Number: CR-UC-WPP001B
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Fitment: 2002-2007 WRX / 2004-2007 STI
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Material: Aluminum
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Finish: Natural aluminum
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Construction: Handcrafted, TIG welded
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Origin: Made in USA
Key Benefits
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Durability: All-aluminum construction resists cracking and warping common in plastic OEM tanks
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Heat Resistance: Superior thermal properties help maintain coolant integrity under high temperatures
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Fitment: Direct replacement designed specifically for 2002-2007 WRX and 2004-2007 STI for seamless installation
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Quality Craftsmanship: Handcrafted and TIG welded in the USA ensures consistent build quality and reliability
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Maintenance: Compatible with PWR radiator cap CR-UC-YPR008B for optimal cooling system performance
What's Included
- 1× PWR Coolant Overflow Tank 2002-2007 WRX / 2004-2007 STI
Installation & Compatibility
Installation of the PWR Coolant Overflow Tank is straightforward and designed to be a direct bolt-on replacement for the factory reservoir. Basic hand tools are sufficient for removal of the OEM tank and installation of this aluminum unit. No modifications or special tools are required. It is compatible with the stock cooling system and recommended to be used with the PWR radiator cap CR-UC-YPR008B for best results. This upgrade is suitable for both street and track-driven WRX and STI models within the specified years.
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Professional Installation: DIY-Friendly
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Modifications Required: None
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Verify Compatibility: Confirm fitment for your specific year and trim level
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