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The Mishimoto High-Pressure 1.3 Bar Radiator Cap is designed to optimize your vehicle's cooling system by maintaining proper pressure levels during demanding driving conditions. When the cooling system becomes highly pressurized, stock radiator caps often fail to contain the coolant, leading to leaks and reduced efficiency. This high-pressure cap raises the boiling point of engine coolant, providing a safer and more reliable cooling environment for your vehicle. Crafted for universal fitment, it works seamlessly with most import vehicles that require a small radiator cap, making it a versatile upgrade for enthusiasts seeking enhanced performance.
Constructed with ergonomic design features, the Mishimoto radiator cap allows for easy removal and installation, ensuring quick and secure fitting. The 1.3 bar (19 psi) pressure rating ensures the cooling system can handle higher pressures without leaking, reducing the risk of overheating during aggressive driving or track days. This cap helps keep coolant within the system, preventing fluid loss and maintaining optimal engine temperatures. The durable build quality and reliable sealing make it an essential component for drivers looking to push their vehicle’s performance limits while maintaining safety and efficiency.
Whether you are upgrading your existing setup or replacing a worn-out cap, the Mishimoto High-Pressure Radiator Cap offers a straightforward solution to improve your vehicle’s cooling system. Its compatibility with most expansion tanks and radiators requiring a small cap makes it an adaptable and practical choice for a variety of import vehicles. Invest in this high-pressure radiator cap to ensure your engine stays cool under pressure, ultimately enhancing overall vehicle performance and longevity.
Features:
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
