What does the pressure rating on a radiator cap mean?

The pressure rating, like the 1.3 bar on this Cusco cap, indicates the point at which the cap's valve will open. This allows the cooling system to operate at a higher temperature than it would at atmospheric pressure, improving its efficiency.

Why is it important to replace a radiator cap?

Over time, the spring and seal in a radiator cap can weaken or corrode, preventing it from holding the correct pressure. This can lead to overheating or coolant loss, so replacing it with a new, properly rated cap is essential for cooling system health.

Does this radiator cap come with any hardware?

This product is a direct replacement radiator cap and does not typically require additional hardware for installation. It is designed to fit directly onto your vehicle's radiator neck.

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Trusted Since 1957

Est. 1957

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Specifications

Brand: Cusco
Part #: 00B 050 A13
UPC: 4996338001511

Cusco MISC Radiator CAP A

Name: Cusco MISC Radiator CAP A
Brand: Cusco
Price: 32.64 USD
Availability: InStock

$32.64

Only 6 left in stock

Fits 1985-1987 Toyota Corolla. This Cusco radiator cap helps maintain proper cooling system pressure.

Key Features

Fits 1985-1987 Toyota Corolla and 2016 Mazda MX-5 Miata.
Rated for 1.3 bar pressure, which is higher than many stock caps.
Helps maintain proper cooling system pressure to prevent overheating.
Designed to allow coolant to flow to the overflow tank and return.
Durable construction for reliable operation.

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Fits these vehicles

Mazda MX-5 Miata 2016
Toyota Corolla 1985-1987

Product Details

The 1.3 bar pressure rating on this Cusco radiator cap is a key detail for keeping your 1985-1987 Toyota Corolla's cooling system working right. It's designed to open at a specific pressure, allowing coolant to flow to the overflow tank when the system gets too hot, and then pull it back in as it cools. This helps prevent overheating and keeps your engine running smoothly.

This cap is well-built with durable materials to handle the heat and pressure cycles of normal engine operation. It's a direct replacement for your stock cap, meaning it fits right without any modifications needed. For a 1985-1987 Corolla, ensuring your cooling system is properly pressurized is crucial, and this cap does just that.