Cylinder 4 Coolant Mod Hose for Subaru WRX STI LGT FXT EJ20 EJ25 Engine 99078AA450

Description

• Precision Engineered for Subaru EJ20/EJ25 Engines: Specifically designed for a wide range of Subaru models including WRX (02-14), STI (04-21), Forester XT (04-08), and Legacy GT (05-09). This cylinder 4 coolant module hose ensures a perfect fit and optimal performance for your vehicle’s cooling system.

• Enhanced Durability with Premium Materials: Constructed from high-quality aluminum alloy and multi-layer silicone/rubber hose, this kit is built to withstand extreme temperatures and pressures. The robust design, often featuring CNC-machined billet aluminum fittings, offers superior heat resistance and increased longevity compared to standard rubber hoses, preventing common issues like deterioration and leaks.

• Optimized Cooling Performance: This coolant module hose is engineered to significantly improve coolant flow to cylinder #4, a known hot spot in EJ engines. By reducing and uniformly balancing coolant temperatures, it helps prevent overheating, minimize the risk of knock and detonation, and protect against issues like ringland failure, ensuring optimal engine reliability and performance.

• Simple & Secure Installation: Designed for a straightforward replacement, this kit includes essential components such as stainless steel clamps and direct-fit fittings for a hassle-free installation. Its user-friendly design allows for easy integration without complex modifications, ensuring a secure and leak-free connection.

• Complete Kit for Critical Engine Protection: Each package typically includes the specialized coolant hose, durable aluminum head and “T” fittings, and stainless steel clamps, providing everything needed for the upgrade. This essential modification is a simple yet effective way to safeguard your EJ20/EJ25 engine, offering peace of mind and extended engine life.