Subaru OEM Heater Hose - Outlet (13-14 Legacy - 25B) | 72421AJ09A

Overview

The Genuine Subaru OEM Heater Hose – Outlet (Part #72421AJ09A) is the factory-correct replacement coolant hose for the 2013–2014 Subaru Legacy with the 2.5B engine. Engineered to exact OEM specifications, this heater hose ensures a leak-free seal and reliable coolant flow between the engine and heater core, maintaining proper cabin heat and engine temperature management. If your original hose is cracked, brittle, or leaking, this is the only part guaranteed to fit and perform exactly as Subaru intended.

Key Features & Benefits

• Genuine OEM Quality – Manufactured to Subaru's original factory standards, ensuring an exact fit and long-lasting performance with no modifications required.
• Exact-Fit Replacement – Designed specifically for the 2013–2014 Subaru Legacy 2.5B, eliminating guesswork and fitment issues common with aftermarket alternatives.
• Durable Construction – Built from OEM-grade rubber and reinforcing materials to withstand high coolant temperatures, pressure cycles, and under-hood conditions.
• Leak-Free Seal – Precise dimensions and factory-matched connection points prevent coolant leaks that can lead to overheating or heater core damage.
• Factory Warranty Coverage – As a genuine Subaru part, it is backed by Subaru's OEM parts warranty for peace of mind.

What's Included

• 1x Genuine Subaru Heater Hose – Outlet (Part #72421AJ09A)

Specifications

Fitment & Compatibility

This heater hose is designed for the following Subaru vehicles:

Please verify your vehicle's engine code and trim level before ordering to ensure correct fitment. Subaru part number 72421AJ09A is the definitive cross-reference for this application.

Installation

This is a direct OEM replacement heater hose that bolts on without modification. The installation involves draining a portion of the coolant system, removing the old hose and clamps, and securing the new hose with the appropriate clamps. While a mechanically experienced DIYer can complete this repair, professional installation by a qualified technician is recommended to ensure proper coolant system integrity and to avoid air pockets in the cooling system. Always refill with Subaru-approved coolant and pressure-test the system after installation.