Mishimoto High-Pressure Radiator Cap, 1.3 Bar with Universal Fill Necks, for Efficient Cooling, Small
Mishimoto High-Pressure Radiator Cap, 1.3 Bar with Universal Fill Necks, for Efficient Cooling, Small
The Mishimoto High Pressure Radiator Cap (1.3 bar), offers a smart cooling upgrade for many vehicles and fits standard 31–32 mm fill necks. Designed to replace factory caps that are not built for higher pressure and extreme driving, this cap raises coolant system pressure to 1.3 bar (19 psi), increasing the coolant boiling point for safer operation under demanding conditions. Users consistently confirm its universal fit and easy installation, no modifications required. It’s a straightforward OEM upgrade that prevents coolant loss due to vaporization and enhances system reliability. Built from high-strength alloy steel with an ergonomic screw in design, this cap resists corrosion and stays sealed even after repeated removal. The painted finish and precise threading deliver OEM-level fit and peace of mind. In an automotive climate where engine cooling reliability is critical, especially in hotter climates, turbocharged applications, and performance builds, this cap addresses a growing trend toward system upgrades with minimal effort. As coolant systems are pushed beyond OEM limits, a high- pressure cap becomes an effective safeguard against overheating and fluid loss. Backed by Mishimoto’s engineering-first approach and long-standing reputation in performance cooling, this cap gives owners a reliable upgrade that performs and endures.
Product Features
- Universal Compatibility: Engineered to fit most vehicles with 3132 mm fill necks for secure installation. Note: will not fit stock KTM radiators
- Durable Construction: Crafted from corrosion-resistant alloy steel with a painted finish and ergonomic screw in design for long-term reliability
- Easy to Install: Ergonomically designed for easy removal and installation with universal compatibility across many radiator necks
- Peace of Mind: Constructed with high-performance materials and backed by Mishimoto's high standards for durability and quality