HPS Performance Silicone Ancillary Hose Kit Red 2004 WRX | High-Temperature Silicone | Coolant Hose Kit

Overview

The HPS Performance Silicone Ancillary Hose Kit is a direct replacement solution for the 2004 Subaru WRX’s ancillary coolant hoses. Designed specifically for the 2nd generation 2004 Subaru Impreza WRX 2.0L Turbo, this kit addresses common issues such as coolant leaks and engine overheating caused by aging or damaged OEM rubber hoses. It is ideal for Subaru enthusiasts seeking a durable, high-quality upgrade that maintains proper coolant flow and engine temperature stability.

Engineered with precision bends and curves to match the factory routing, these hoses ensure a perfect fit without the need for modifications. Constructed from reinforced high-temperature silicone rated for up to 350°F, the kit offers superior heat resistance and longevity compared to standard rubber hoses. Included stainless steel embossed hose clamps provide secure, non-damaging fastening, enhancing reliability under extreme operating conditions.

For Subaru WRX owners, maintaining optimal cooling system integrity is critical for both daily driving and spirited performance. This hose kit not only prevents common coolant system failures but also withstands the elevated temperatures and pressures typical of turbocharged engines. The upgrade supports consistent engine efficiency and peace of mind, especially in demanding environments.

Features & Specifications

This HPS Performance Silicone Ancillary Hose Kit is engineered for the 2004 Subaru WRX and features high-temperature reinforced silicone construction. Constructed from durable silicone material, it delivers enhanced heat resistance and longevity for Subaru enthusiasts seeking reliable coolant system performance and leak prevention.

• Brand: HPS Performance
• Product: Silicone Ancillary Hose Kit Red 2004 WRX
• Part Number: 57-1806-RED
• Fitment: 2004 Subaru WRX 2.0L Turbo
• Material: High Temperature Reinforced Silicone
• Finish: Red
• Construction: Molded with precise bends and curves
• Origin: Not specified
• Maximum Temperature: 350°F
• Included Clamps: 100% stainless steel embossed hose clamps
• OEM Part Numbers Replaced: 807611031, 807611090, 807612011, 807615182, 21204AA351, 21204AA691, 21204AA711, 45162AE000, 45162AE010, 99078AA073, 99078AA450
• Warranty: 2 Years

Key Benefits

• Durability: Reinforced silicone resists cracking, collapsing, and heat degradation better than OEM rubber hoses.
• Fitment: Engineered with exact bends and curves for a direct bolt-in replacement, eliminating fitment issues common with universal hoses.
• Heat Resistance: Rated for continuous operation up to 350°F, ideal for turbocharged Subaru engines running at high temperatures.
• Leak Prevention: Stainless steel embossed clamps secure hoses without cutting into the silicone, preventing leaks and hose damage.
• Reliability: Helps maintain consistent coolant flow and engine temperature, reducing risk of overheating and associated engine damage.
• Maintenance: Silicone hoses have a higher water permeation rate; regular coolant level checks are recommended for daily-driven vehicles.

What's Included

• 1× HPS Performance Reinforced Silicone Ancillary Coolant Hose Kit (Red)
• Multiple 100% stainless steel non-perforated embossed hose clamps
• Installation instructions (included)

Installation & Compatibility

Installation of the HPS Performance Silicone Ancillary Hose Kit is straightforward for those with basic mechanical skills and common hand tools. The kit is designed as a direct replacement for the 2004 Subaru WRX 2.0L Turbo ancillary coolant hoses, requiring no modifications or trimming. Stainless steel clamps included ensure a secure fit without damaging the hoses. While professional installation is not mandatory, it is recommended if you are unfamiliar with coolant system components. Regular coolant level monitoring is advised due to the higher water permeation rate of silicone hoses compared to OEM rubber.

• Professional Installation: Recommended for best results
• Modifications Required: None
• Verify Compatibility: Confirm fitment for 2004 Subaru WRX 2.0L Turbo

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