Koyo Hyper Radiator Cap Type A Red 1.3 Bar Deep Plunger, Part koySK-C13

Red Label: fits all KOYORAD radiators w/ fillernecks (Red) Koyorad Hyper Radiator Cap - Deep Plunger Style

The Koyo Hyper Radiator Cap Type A is a high-performance replacement cap designed for Koyorad radiators equipped with compatible filler necks. Finished in red and rated at 1.3 bar, this deep-plunger-style cap helps maintain the cooling system’s intended pressure, supporting efficient coolant circulation and improved resistance to boil-over during demanding driving conditions.

Built for automotive cooling-system applications, the Koyo koySK-C13 radiator cap provides a dependable sealing interface between the radiator and cap assembly. Its deep plunger design is intended for use with Koyorad radiators featuring the appropriate filler-neck configuration. Verify radiator compatibility before installation to ensure the cap’s pressure rating, sealing profile, and fitment match the vehicle or cooling-system application.

The Koyo Type A Radiator Cap is a practical choice for replacing a worn, damaged, or improperly sealing cap on a compatible Koyorad radiator. Proper installation and a fully functional cooling system are essential for maintaining stable operating temperatures. Always allow the engine and radiator to cool completely before removing the existing cap or servicing the cooling system.

What's Included

• One Koyo Hyper Radiator Cap, Type A, red, 1.3 bar

Features:

• Application: Designed to fit compatible Koyorad radiators with filler necks
• Pressure Rating: 1.3 bar rating supports proper cooling-system pressure control
• Cap Style: Deep plunger design provides a suitable sealing profile for compatible radiator filler necks
• Construction: Durable automotive replacement cap from Koyo for dependable cooling-system service

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: N
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1