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Weapon R polished aluminum coolant overflow tank for 1989–1994 Nissan 240SX (S13) replaces the factory reservoir with a finished polished-aluminum unit. It serves as a direct replacement reservoir to support cooling-system maintenance or engine-bay detailing, offering a clean, corrosion-resistant look while complementing performance-minded underhood upgrades for S13 chassis applications.
Weapon R 89-94 240SX/ S13 Polished Aluminum Coolant Overflow Tank
