Subaru OEM HVAC Heater Hose Subaru Impreza 2017-2023 | 72421FL01A

Overview

The Genuine Subaru OEM HVAC Heater Hose (Part #72421FL01A) is a factory-original replacement coolant hose designed to maintain proper heater core flow and cabin heating performance in your Subaru Impreza. Built to exact OEM specifications, this hose ensures a precise, leak-free fit with no modifications required — the ideal solution for restoring your Impreza's heating system to factory condition.

Key Features & Benefits

• Genuine Subaru OEM Quality — Manufactured to the same factory standards as the original part, ensuring reliability and longevity you can count on.
• Exact-Fit Guarantee — Engineered specifically for the 2017-2023 Subaru Impreza; installs without cutting, adapting, or modifying existing connections.
• Factory-Grade Materials — Constructed from heat- and pressure-resistant materials that withstand demanding underhood temperatures and coolant exposure.
• Leak-Free Performance — Precision-molded ends seat securely on OEM connection points, eliminating the risk of coolant leaks that can compromise cabin heat and engine cooling.
• Backed by Subaru Warranty — As a genuine Subaru part, it is covered under Subaru's standard OEM parts warranty when purchased from an authorized source.
• Direct OEM Cross-Reference — Replaces worn, cracked, or leaking original equipment hose with zero guesswork using Subaru part number 72421FL01A.

What's Included

• 1× Genuine Subaru HVAC Heater Hose (Part #72421FL01A)

Specifications

Product Fitment

• 2017-2023 Subaru Impreza

Always verify your vehicle's specific year and trim against part number 72421FL01A before ordering. If you are unsure of compatibility, reference your VIN with a Subaru parts catalog for confirmation.

Installation

This HVAC heater hose is a direct OEM replacement and is designed for straightforward installation by a qualified technician. Installation involves draining a portion of the cooling system, removing the old hose, and connecting the replacement using the factory clamp positions. Professional installation is recommended to ensure proper coolant system re-pressurization and to avoid coolant loss or air pockets in the system.