HPS Silicone Heater Coolant Hose Kit

2022–2026 Toyota GR86 & Subaru BRZ 2.4L H4 (ZN8)

57-1282-BLK / 57-1282-RED

Overview:

The HPS Silicone Heater Coolant Hose Kit is a direct replacement for the stock OEM rubber heater coolant hoses on 2022 to 2025 Toyota GR86 and 2022 to 2026 Subaru BRZ models equipped with the 2.4L H4 engine. Crafted from high-temperature 3-ply reinforced silicone, this kit offers superior heat resistance and durability, meeting or exceeding original equipment specifications. Designed for both daily drivers and performance enthusiasts, it ensures reliable coolant flow and prevents overheating caused by cracked or damaged OEM hoses.

With a maximum temperature rating of 350°F, these hoses provide long-lasting performance under extreme under-hood conditions. The kit includes stainless steel clamps engineered to protect the silicone hoses during installation and use, making it an ideal upgrade or replacement for your vehicle’s heater coolant system.

Key Features:

This silicone heater coolant hose kit combines advanced materials and thoughtful design to deliver enhanced durability and fitment for your Toyota GR86 or Subaru BRZ.

• Constructed from premium-grade, high-temperature 3-ply reinforced silicone for superior heat resistance and longevity.
• Engineered with precise bends and curves to ensure perfect OEM fitment without modification.
• Includes 100% stainless steel non-perforated embossed hose clamps that securely fasten hoses without damaging the silicone.
• Prevents coolant leaks and engine overheating caused by cracked, collapsed, or deteriorated OEM rubber hoses.
• Race-proven design built to withstand prolonged exposure to high temperatures and harsh under-hood environments.
• Maximum temperature rating of 350°F supports reliable operation even under extreme heat conditions.
• Available in multiple colors including black, blue, and red to match your engine bay aesthetic.
• Backed by a 2-year warranty for peace of mind and quality assurance.

Construction & Design:

The hoses are manufactured using a three-ply reinforced silicone construction, which provides excellent flexibility and resistance to cracking, collapsing, and heat degradation compared to standard rubber hoses. This design ensures consistent coolant flow and maintains system integrity over time. The included stainless steel clamps are embossed and non-perforated, preventing damage to the silicone surface and ensuring a secure, leak-free connection. The hoses are designed to replicate the OEM routing with exact bends and curves, allowing for straightforward installation without the need for cutting or modification.

Installation & Fitment:

This kit is a direct fit replacement for the heater coolant hoses on the following vehicles:

• 2022–2025 Toyota GR86 2.4L H4 (Base, Premium, Hakone Edition, TRUENO Edition, 10th Anniversary Special Edition)
• 2022–2026 Subaru BRZ 2.4L H4

No cutting, drilling, or special tuning is required for installation. The hoses fit precisely using existing mounting points and connections, making it a straightforward upgrade or replacement for your vehicle’s heater coolant system. Regular coolant level checks are recommended, as silicone hoses have a higher water permeation rate compared to standard EPDM rubber hoses.

What's Included:

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

Ideal For:

This hose kit is perfect for Toyota GR86 and Subaru BRZ owners seeking a durable, high-quality replacement for their factory heater coolant hoses. It is especially suited for:

• Daily drivers who want enhanced reliability and longevity over OEM rubber hoses
• Performance enthusiasts requiring hoses that withstand higher temperatures and demanding conditions
• Anyone looking to prevent coolant leaks and engine overheating caused by aging or damaged stock hoses
• Owners who prefer a clean, professional fitment with color options to complement their engine bay

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.