Subaru OEM Heater Hose Outlet (07-09 LGT/OBXT) | 72421AG01B

Overview

The Genuine Subaru OEM Heater Hose Outlet (Part #72421AG01B) is an exact-fit factory replacement component for the engine cooling and cabin heating system on 2007–2009 Subaru Legacy GT and Outback XT models. Designed and manufactured to Subaru's original engineering specifications, this OEM part ensures a precise, leak-free connection and restores your heating system to factory performance. If your current heater hose outlet is cracked, warped, or leaking coolant, replacing it with a genuine Subaru part is the only way to guarantee OEM-quality fitment and long-term reliability.

Key Features & Benefits

• Genuine Subaru OEM Part – Manufactured to the exact factory specifications of your 2007–2009 Legacy GT or Outback XT, eliminating fitment guesswork and compatibility concerns.
• Exact-Fit Replacement – Matches original hose routing, port diameter, and mounting geometry for a direct, no-modification installation.
• Factory-Grade Materials – Constructed from the same heat- and coolant-resistant materials used in original production, ensuring durability under repeated thermal cycling.
• Leak-Free Seal – Precision-molded connections maintain a secure, pressure-tight interface with heater hoses and the cooling circuit, preventing coolant loss and cabin heat loss.
• Protects Heating System Integrity – Restoring a damaged or degraded outlet prevents coolant contamination, overheating risk, and reduced cabin heating efficiency.
• Subaru Factory Warranty – Backed by Subaru's genuine OEM parts warranty for added peace of mind.

What's Included

• 1x Genuine Subaru Heater Hose Outlet – Part #72421AG01B

Specifications

Fitment & Compatibility

This Genuine Subaru Heater Hose Outlet is designed specifically for the following vehicles:

Always verify your vehicle's VIN and existing part number against #72421AG01B before ordering to confirm compatibility with your specific build.

Installation

This heater hose outlet is a direct OEM replacement that installs in the same location as the factory component. The installation involves draining or isolating the relevant section of the cooling/heating circuit, removing the old outlet, and securing the new part with the original hose clamps. Basic mechanical experience and common hand tools are sufficient for most DIY installers; however, if you are not comfortable working with cooling system components or pressurized coolant, professional installation by a qualified Subaru technician is recommended. Always allow the engine to cool completely before beginning work and refill with Subaru-approved coolant to the correct level after installation.