Mishimoto · New
Mishimoto High-Pressure 1.3 Bar Radiator Cap - Small - One-Way
MPN MMRC-13-ONWY · Store SKU misMMRC-13-ONWY
Supplier stock checked 11/7/2026, 11:52:30 AM UTC. Adding a part does not reserve it.
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Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Maximize your Subaru's performance with the Mishimoto High-Pressure 1.3 Bar Radiator Cap. When pushing your vehicle under demanding driving conditions, the cooling system becomes highly pressurized, often exceeding the limits of stock caps. This leads to coolant loss into the overflow reservoir, compromising performance. Engineered specifically for Subaru vehicles, with one-way functionality matching the OEM radiator cap design, guaranteeing appropriate operation of your Subaru's cooling system. The Mishimoto cap maintains optimal coolant flow by withstanding higher pressures. Its direct-fit design ensures easy installation, and the unique, non-directional sticker means it's always facing the right way. Upgrade your Subaru's cooling system and experience the difference in performance with the Mishimoto High-Pressure Radiator Cap. High-performance component designed to enhance thermal efficiency, durability, and reliability under demanding conditions. Engineered to support optimal temperature control and system performance across applications. Radiator Cap, High-Pressure, 1.3 Bar, Small, One-Way, fits Subarus
Manufacturer fitment & guides
Check MMRC-13-ONWY against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
