Subaru OEM Heater Hose (13-20 BRZ) | 72421CA000

Overview

The Genuine Subaru OEM Heater Hose (Part #72421CA000) is a factory-original replacement cooling system component designed specifically for the 2013–2020 Subaru BRZ. This exact-fit heater hose ensures proper coolant flow between the engine and heater core, maintaining cabin heating performance and preventing coolant leaks. Choosing an OEM part guarantees the same material quality, fitment, and durability as the hose installed at the factory.

Key Features & Benefits

• Genuine Subaru OEM Quality – Manufactured to Subaru's factory specifications, ensuring a perfect fit and long-lasting reliability.
• Exact-Fit Replacement – Engineered specifically for the 2013–2020 Subaru BRZ; no modifications or trimming required.
• Factory-Grade Materials – Constructed from the same heat- and pressure-resistant rubber compound used in original production, resisting cracking and degradation over time.
• Proper Coolant Flow – Maintains optimal coolant circulation to the heater core, ensuring consistent cabin heating and engine temperature regulation.
• Leak-Free Performance – Precision molded ends provide a secure, leak-free connection at factory hose clamp points.
• Backed by Subaru's Factory Warranty – Genuine OEM parts are covered under Subaru's standard parts warranty when installed by an authorized technician.

What's Included

• 1x Genuine Subaru Heater Hose – Part #72421CA000

Specifications

Fitment & Compatibility

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

Always verify your vehicle's part number against your VIN before ordering to confirm compatibility. Cross-reference: Subaru OEM Part #72421CA000.

Installation

This heater hose is a direct bolt-on (clamp-on) replacement requiring standard hand tools and basic cooling system service knowledge. The procedure involves draining a portion of the coolant, removing the old hose, installing the new hose, refilling the coolant, and bleeding the system of air. Professional installation by a qualified technician is recommended to ensure proper torque on clamps and a leak-free seal. Always allow the engine to cool completely before beginning work on the cooling system.