Subaru OEM Coolant Hose - Pre Heater Subaru Crosstrek / Forester / Impreza / Legacy / Outback | 21204AB430

Overview

The Genuine Subaru OEM Coolant Crossover Hose (Part #21204AB430) is an exact-fit factory replacement hose. It fits the following vehicles:
2021-2025 Subaru Crosstrek
2019-2025 Subaru Forester
2024-2025 Subaru Impreza
2020-2025 Subaru Legacy
2020-2025 Subaru Outback
Engineered to the same exacting standards as the original component, this hose ensures proper coolant flow between engine components, helping maintain optimal operating temperature and preventing overheating. If your vehicle is showing signs of coolant leaks or a deteriorating crossover hose, replacing it with a genuine OEM part guarantees a perfect fit and long-lasting performance.

Key Features & Benefits

• Genuine Subaru OEM Quality – Manufactured to Subaru's factory specifications, ensuring the same fit, form, and function as the original part that came with your vehicle.
• Exact-Fit Guarantee – Designed exclusively for:
  2021-2025 Subaru Crosstrek
  2019-2025 Subaru Forester
  2024-2025 Subaru Impreza
  2020-2025 Subaru Legacy
  2020-2025 Subaru Outback; eliminating guesswork and the risk of compatibility issues common with aftermarket alternatives.
• Durable Construction – Built from OEM-grade materials engineered to withstand high coolant temperatures, pressure cycling, and the demanding under-hood environment.
• Maintains Cooling System Integrity – Proper coolant crossover flow is critical to engine temperature regulation; a factory-spec hose ensures no restrictions or leaks that could lead to costly engine damage.
• Factory Warranty Backed – As a genuine Subaru OEM part, this hose is covered under Subaru's standard parts warranty.
• Direct OEM Replacement – Cross-references directly to Subaru part number 21204AB430 for accurate ordering and installation.

What's Included

• 1x Genuine Subaru Coolant Crossover Hose (Part #21204AB430)

Specifications

Fitment & Compatibility

This coolant crossover hose is engineered specifically for the following Subaru vehicles:

• 2021-2025 Subaru Crosstrek
• 2019-2025 Subaru Forester
• 2024-2025 Subaru Impreza
• 2020-2025 Subaru Legacy
• 2020-2025 Subaru Outback

Always verify your vehicle's year, model, and trim before ordering. Subaru part number 21204AB430 is the definitive reference for fitment confirmation.

Installation

This coolant crossover hose is a direct OEM replacement and is designed for straightforward installation for those with intermediate mechanical experience. However, because the cooling system must be partially drained and the engine should be cool before beginning work, professional installation by a qualified technician or Subaru-authorized service center is recommended to ensure proper torque, clamp seating, and system re-pressurization. No modifications are required – this is a true bolt-on, plug-and-play OEM replacement.