Subaru OEM Heater Hose - Outlet Subaru WRX / STI / Forester / Impreza / Outback | 72421FE010

Overview

The Genuine Subaru OEM Heater Hose – Outlet (Part #72421FE010) is a factory-replacement coolant hose engineered specifically for the following vehicles: 2003 Subaru Forester, 2002-2004 Subaru Impreza, 2002-2004 Subaru Outback, 2004 Subaru STI, and 2002-2004 Subaru WRX. Designed to exact OEM specifications, this outlet heater hose ensures a leak-free, precision fit that aftermarket alternatives simply cannot match. Keeping your cabin heating system functioning properly, this hose is the correct, factory-approved solution for maintaining peak cooling and heating performance on your EJ-powered Subaru.

Key Features & Benefits

• Genuine Subaru OEM Part – Manufactured to factory specifications, ensuring exact fit, function, and longevity without modification.
• Exact-Fit Guarantee – Engineered specifically for the vehicles listed in the Fitment & Compatibility section below, eliminating guesswork and compatibility concerns.
• Premium OEM Materials – Constructed from durable, heat-resistant rubber compounds that withstand the high-temperature demands of the EJ engine's cooling system.
• Leak-Free Performance – Precision-molded ends provide a secure, tight seal at both connection points, preventing coolant loss and potential overheating.
• Factory Warranty Coverage – As a genuine Subaru part, it is backed by Subaru's OEM parts warranty when installed as directed.
• Direct Replacement – Drop-in installation with no cutting, splicing, or adapters required.

What's Included

• 1x Genuine Subaru OEM Heater Hose – Outlet (Part #72421FE010)

Specifications

Fitment & Compatibility

This heater outlet hose is a direct OEM replacement for the following Subaru vehicles:

• 2003 Subaru Forester
• 2002-2004 Subaru Impreza
• 2002-2004 Subaru Outback
• 2004 Subaru STI
• 2002-2004 Subaru WRX

Always verify your vehicle's VIN and current part number before ordering to confirm fitment. Cross-reference with the OEM Subaru parts catalog to ensure the correct application for your vehicle.

Installation

This is a direct bolt-on, drop-in replacement heater hose. Installation requires standard hand tools and should only be performed after the engine has completely cooled. It is also recommended to drain a portion of coolant before removing the original hose. After replacement, always refill the cooling system as directed, bleed it according to the factory service manual, and check for leaks before driving.