Subaru OEM Heater Core Hose (21-23 Crosstrek - 25D) | 72421SJ000

Overview

The Genuine Subaru OEM Heater Core Hose (Part #72421SJ000) is a factory-replacement coolant hose designed for precise fit and reliable performance in your Subaru Crosstrek. Engineered to exact factory specifications, this OEM heater core hose ensures proper coolant flow between the engine and heater core, maintaining interior heating efficiency and preventing coolant leaks. Ideal for Crosstrek owners seeking a direct, no-compromise replacement backed by Subaru's factory quality standards.

Key Features & Benefits

• Genuine Subaru OEM Part – Manufactured to the same specifications as the original factory hose, ensuring exact fit and function with no modifications required.
• Exact-Fit Design – Precision-molded to match OEM routing and connection points, eliminating fitment guesswork and reducing installation time.
• Durable Construction – Built from high-quality, heat- and pressure-resistant materials to withstand the demands of the cooling/heating system over the long term.
• Maintains Heating System Performance – Ensures optimal coolant flow to the heater core for consistent cabin heating and defrost performance.
• Leak-Free Reliability – OEM-grade sealing surfaces and hose ends provide a secure, leak-resistant connection at every junction.
• Factory Warranty Coverage – Backed by Subaru's genuine parts warranty for added peace of mind.

What's Included

• 1x Genuine Subaru Heater Core Hose (Part #72421SJ000)

Specifications

Fitment & Compatibility

This heater core hose is designed to fit the following Subaru vehicles:

Always verify your vehicle's year, model, and trim level before ordering. Cross-reference with Subaru part number 72421SJ000 to confirm compatibility.

Installation

This heater core hose is a direct OEM replacement designed for a bolt-on, no-modification installation. The factory-matched hose ends align precisely with OEM connection points on the engine and heater core. While a mechanically experienced DIYer can perform this replacement, professional installation by a qualified technician is recommended to ensure proper coolant system service, including safe draining and refilling of coolant. Always allow the engine to cool completely before servicing any cooling or heating system components.