Subaru OEM Coolant Crossover Hose (15-21 WRX) | 21204AB270

Overview

The Genuine Subaru OEM Coolant Crossover Hose (Part #21204AB270) is a factory-replacement coolant hose designed specifically for 2015–2021 Subaru WRX models. This OEM-spec hose ensures a precise, leak-free fit and maintains the integrity of your WRX's cooling system — exactly as Subaru engineered it. Choosing a genuine Subaru part guarantees compatibility, durability, and peace of mind that no aftermarket alternative can match.

Key Features & Benefits

• Exact OEM Fit — Engineered to factory specifications for the 2015–2021 Subaru WRX, ensuring a perfect drop-in replacement with no trimming or modification required.
• Genuine Subaru Quality — Manufactured to the same standards as the original part installed at the factory, guaranteeing long-term reliability and cooling system performance.
• Coolant Crossover Design — Routes coolant between key engine components, maintaining optimal operating temperatures and preventing overheating.
• Factory Warranty Coverage — Backed by Subaru's genuine parts warranty for added confidence in your purchase.
• OEM Part Number Reference — Part #21204AB270 cross-references directly with the Subaru factory parts catalog for confirmed fitment.

What's Included

• 1x Genuine Subaru Coolant Crossover Hose (Part #21204AB270)

Specifications

Fitment & Compatibility

This genuine Subaru coolant crossover hose is compatible with the following vehicles:

Always verify your vehicle's VIN or consult your Subaru parts catalog to confirm fitment before ordering. Part number 21204AB270 is your direct OEM cross-reference.

Installation

This coolant crossover hose is a direct OEM replacement, designed for straightforward installation by a qualified technician. Drain and flush the cooling system before replacing any coolant hose. Torque all clamps to factory specifications and refill with Subaru Super Coolant or an approved equivalent. While a mechanically inclined owner may complete this job at home, professional installation is recommended to ensure the cooling system is properly bled and pressure-tested after the repair.