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| SKU | PERASM-ENG-505BK |
| MPN | ASM-ENG-505BK |
| GTIN | ASM-ENG-505BK |
| Certifications | None |
| Material | High-quality aluminum |
| Color/Finish | Black anodized |
Upgrade your Subaru WRX, STI, or BRZ/GR86/FRS/86 with the PERRIN Coolant Overflow Tank in sleek black. Designed specifically for model years 2002 to 2025 Subaru WRX, 2004 to 2021 STI, and 2013 to 2026 BRZ, GR86, FRS, and 86, this high-performance overflow tank ensures your cooling system operates efficiently under all conditions. Crafted by Perrin Performance, a trusted name in automotive tuning, it offers improved durability and a clean, professional look for your engine bay.
This overflow tank replaces the factory unit with a precision-engineered design that maximizes coolant management and engine longevity. Installation is straightforward and supports both enthusiast builds and professional workshop upgrades alike. Whether you're hitting the track or enjoying spirited daily drives, the PERRIN Overflow Tank is a reliable upgrade that supports your vehicle's cooling needs without compromise.
This overflow tank replaces the factory unit with a precision-engineered design that maximizes coolant management and engine longevity. Installation is straightforward and supports both enthusiast builds and professional workshop upgrades alike. Whether you're hitting the track or enjoying spirited daily drives, the PERRIN Overflow Tank is a reliable upgrade that supports your vehicle's cooling needs without compromise.
Customer reviews
Based on 160 reviews
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















