ISR Performance Silicone Radiator Hose Kit

2003–2008 Nissan 350Z

Part #: IS-RH-Z33L-RD

Overview

If you're looking to upgrade your Nissan 350Z's cooling system, the ISR Performance Silicone Radiator Hose Kit is an excellent choice. Designed specifically for models from 2003 to 2008, this kit replaces your factory rubber hoses with durable, high-performance silicone alternatives. Whether you're a daily driver, a spirited enthusiast, or a performance tuner, these hoses help ensure your cooling system remains reliable under demanding conditions.

By upgrading to silicone hoses, you'll benefit from enhanced heat resistance and improved pressure handling, helping to support your vehicle's cooling efficiency and overall reliability. Not only do these hoses improve the durability of your engine bay components, but they also add a sleek, clean look that complements any engine bay aesthetic.

Key Features

ISR Performance has engineered these hoses with performance and longevity in mind. Crafted from high-quality, two-layer silicone material, they are designed to withstand higher temperatures and coolant pressures than OEM rubber hoses. This makes them ideal for enthusiasts who push their vehicles hard or operate in extreme conditions.

• Constructed from durable, two-layer silicone for superior heat and pressure resistance
• Designed to replace factory rubber hoses for improved durability and appearance
• Resists cracking, hardening, and swelling over time, ensuring long-lasting performance
• Available in multiple colors—black, blue, and red—to customize your engine bay
• Engineered for easy installation with OEM-style fittings and connections
• Helps maintain optimal coolant flow and engine temperature management
• Enhances the aesthetic appeal of your engine bay with a clean, professional look
• Suitable for high-performance applications and daily driving alike
• Manufactured by ISR Performance, a trusted name in aftermarket cooling components

Construction & Design

The ISR Silicone Radiator Hose Kit features high-quality, two-layer silicone construction that provides excellent thermal stability and pressure tolerance. The hoses are precisely molded to fit the factory connections of the Nissan 350Z, ensuring a secure and leak-free fit. The smooth internal surface promotes unrestricted coolant flow, which helps maintain consistent engine temperatures.

Designed with durability in mind, these hoses resist cracking, hardening, and swelling, even after prolonged exposure to high heat and coolant pressures. The vibrant color options allow you to add a personalized touch to your engine bay, while the black hoses offer a sleek, understated look.

Installation & Fitment

The ISR Silicone Radiator Hose Kit is designed for a straightforward, bolt-on installation. The hoses are manufactured to match the OEM connections of the Nissan 350Z from 2003 to 2008, ensuring a perfect fit without the need for modifications. No cutting, drilling, or special tools are required, making this an accessible upgrade for DIY enthusiasts and professional installers alike.

• Direct replacement for factory rubber radiator hoses
• No cutting or modifications needed
• Secure OEM-style fittings for leak-free operation
• Installation typically takes less than an hour

What's Included

• Complete set of silicone radiator hoses for the Nissan 350Z (2003-2008)
• All necessary clamps and hardware for installation
• Instruction manual for proper installation

Ideal For

• Performance enthusiasts seeking reliable cooling upgrades
• Owners looking to replace aging, cracked factory hoses
• Customizers wanting to enhance engine bay aesthetics
• Anyone aiming to improve cooling system durability and performance