GReddy Type-S 1.3 Bar Radiator Cap | 13901002

GReddy Type-S 1.3 Bar Radiator Cap | 13901002

Improve your cooling system's pressure capacity with the GReddy Type-S 1.3 Bar High-Pressure Radiator Cap. Engineered in Japan for performance applications, this radiator cap increases the cooling system's pressure threshold compared to many factory radiator caps, helping raise the coolant boiling point and reduce the risk of overheating during demanding driving conditions.

Constructed with a rust-resistant stainless-steel body and a durable silicone rubber seal, the GReddy Type-S radiator cap is designed for reliable operation under repeated heat cycles. Its precisely calibrated 1.3 bar pressure valve provides consistent pressure regulation while maintaining the quality and reliability expected from genuine GReddy performance cooling components.

Designed for compatible Type-S radiator filler necks, this high-pressure cap is a popular cooling system upgrade for Japanese performance vehicles, including many Nissan, Subaru, Mazda, and Mitsubishi applications.

Key Features

• GReddy Type-S high-pressure radiator cap
• 1.3 kgf/cm² pressure rating (127 kPa)
• Designed to increase the coolant boiling point
• Helps reduce the risk of coolant boiling under demanding conditions
• Rust-resistant stainless-steel construction
• Heat-resistant and corrosion-resistant silicone rubber seal
• Precisely calibrated pressure relief valve
• Designed for compatible Type-S radiator filler necks
• Manufactured in Japan
• GReddy part number 13901002

Technical Specifications

• Manufacturer: GReddy / TRUST
• Product Type: High-Pressure Radiator Cap
• Cap Style: Type-S
• Opening Pressure: 1.3 kgf/cm²
• Pressure Rating: 127 kPa (approximately 18.4 PSI)
• Body Material: Stainless Steel
• Seal Material: Silicone Rubber
• Country of Manufacture: Japan
• Manufacturer Part Number: 13901002

Vehicle Applications

The GReddy Type-S radiator cap is designed for vehicles equipped with compatible Type-S radiator filler necks. Common applications include select Japanese performance vehicles from the following manufacturers:

• Nissan performance vehicles
• Subaru performance vehicles
• Mazda performance vehicles
• Mitsubishi Lancer Evolution applications
• Select Toyota applications
• Aftermarket radiators using compatible Type-S filler necks

Vehicle compatibility depends on the radiator filler neck design and required pressure rating. Please confirm that your vehicle uses a Type-S radiator cap and that its cooling system is suitable for a 1.3 bar pressure rating before ordering.

Why Upgrade to a High-Pressure Radiator Cap?

A higher pressure radiator cap increases the pressure at which the cooling system releases coolant, raising the coolant's boiling point and providing additional resistance to boiling during high-temperature operation.

This can be beneficial for properly maintained performance cooling systems exposed to demanding operating conditions. However, a higher pressure cap does not automatically lower engine temperatures or correct an inadequate cooling system. Always confirm that your radiator, hoses, reservoir, and other cooling components are rated for the increased pressure.

What's Included

• One GReddy Type-S 1.3 Bar High-Pressure Radiator Cap

Why Buy GReddy from JD Customs USA?

JD Customs USA offers genuine GReddy performance products for enthusiasts who value Japanese engineering, proper vehicle fitment, and dependable aftermarket components. From radiator caps and cooling upgrades to turbochargers, exhaust systems, and engine performance accessories, GReddy has a long history of developing products for Japanese performance vehicles.

Our team understands the importance of selecting properly matched cooling system components and provides detailed product specifications to help customers make informed purchasing decisions. Whether you're maintaining a Mitsubishi Evo, upgrading a Subaru WRX, or completing a custom Nissan performance build, JD Customs USA is here to help you find the right components.

• Genuine GReddy performance products
• Accurate manufacturer specifications and part numbers
• Knowledgeable support for Japanese performance vehicles
• Assistance with compatible cooling system upgrades
• Secure ordering from an established performance parts retailer