HPS Silicone Radiator and Heater Coolant Hose Kit

2008–2015 Scion iQ 1.3L 4cyl

57-1341

Overview:

The HPS Silicone Radiator and Heater Coolant Hose Kit is a direct replacement and upgrade for the factory rubber radiator and heater hoses on your 2008 to 2015 Scion iQ with the 1.3L 4-cylinder engine. Designed for both daily drivers and performance enthusiasts, this kit offers enhanced durability and heat resistance to help prevent coolant leaks and overheating issues caused by aging or damaged OEM hoses.

Constructed from premium high-temperature reinforced silicone, these hoses provide superior reliability and longevity under extreme under-hood conditions. You'll benefit from improved coolant system integrity and peace of mind knowing your vehicle’s cooling system is protected by race-proven materials and design.

Key Features:

This hose kit combines advanced materials and thoughtful engineering to deliver a high-quality cooling solution:

• Made from 3-ply reinforced high-temperature silicone rated to withstand up to 350°F, exceeding original equipment specifications.
• Precisely molded with correct bends and curves for a perfect fitment, ensuring easy installation without modifications.
• Includes 100% stainless steel non-perforated embossed hose clamps that securely fasten hoses without damaging the silicone.
• Designed to prevent coolant leaks and engine overheating caused by cracked, collapsed, or damaged OEM radiator and heater hoses.
• Race-proven construction engineered for prolonged exposure to under-hood heat and coolant temperatures.
• Available in multiple colors including Black, Blue, and Red to match your vehicle’s style or engine bay theme.
• Water permeation rate is higher than standard EPDM rubber hoses, so regular coolant level checks are recommended for daily driving use.
• Backed by a 2-year warranty for added confidence in quality and durability.

Construction & Design:

The kit features premium-grade silicone hoses reinforced with a 3-ply design to provide exceptional strength and flexibility. This construction resists cracking, collapsing, and degradation from heat and chemicals commonly found in engine coolant systems. The hoses are molded with exact bends and curves to replicate OEM routing, ensuring a seamless fit without the need for trimming or adjustments.

The included stainless steel clamps are embossed and non-perforated, preventing damage to the silicone while providing a secure, leak-free seal. This combination of materials and design choices results in a durable, long-lasting cooling hose solution that outperforms traditional rubber hoses.

Installation & Fitment:

This hose kit is designed as a direct bolt-on replacement for the 2008–2015 Scion iQ 1.3L 4-cylinder models. Installation is straightforward and requires no cutting, drilling, or special tuning. The hoses fit precisely using existing mounting points and connections, making it an ideal upgrade for both routine maintenance and performance improvements.

• Direct replacement for OEM lower and upper radiator hoses and heater coolant hoses.
• Uses factory mounting points and connections for hassle-free installation.
• No modifications or special tools required.

What's Included:

• HPS Performance reinforced silicone radiator and heater hoses
• 100% stainless steel non-perforated embossed hose clamps

Ideal For:

This hose kit is perfect for Scion iQ owners seeking a reliable, long-lasting upgrade to their cooling system hoses. It suits daily drivers who want enhanced durability and peace of mind, as well as enthusiasts looking to prevent overheating issues during spirited driving or track use. The kit’s high heat tolerance and quality construction make it a smart choice for anyone aiming to maintain optimal engine cooling performance.

HPS Performance specializes in high-temperature reinforced silicone hoses and related joining solutions—couplers, tubing, and clamps—built for boosted and high-heat engine bays. Used in performance and racing applications, HPS products are designed to meet demanding temperature and pressure conditions for dependable charge-air and coolant routing.