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The Mishimoto 1.1 bar (16 psi) overflow reservoir cap for 1999–2015 Ford Super Duty F-250/F-350/F-450/F-550 applications helps maintain higher system pressure to raise the coolant boiling point and keep coolant circulating in the cooling system. Ergonomically designed for easy removal and installation, the cap is offered with Mishimoto's lifetime warranty and is intended as a durable replacement for aging factory caps to reduce overheating risk.
Mishimoto 1.1 Bar Rated 99-15 Ford F-250/F-350/F-450/F-550 Super Duty Overflow Reservoir Cap
