Subaru OEM Radiator Hose - Outlet Subaru WRX 2015-2021 / Forester XT 2014-2018 | 45161SG010

Overview

The Genuine Subaru OEM Lower Radiator Hose (Part #45161SG010) is the factory-direct cooling system component designed specifically for the 2014–2018 Subaru Forester XT and 2015–2021 Subaru WRX. Engineered to Subaru's exact specifications, this hose ensures a leak-free seal and optimal coolant flow to keep your turbocharged engine running at the correct operating temperature. If you're replacing a worn, cracked, or swollen lower radiator hose on your Forester XT or WRX, this is the exact part that came on the vehicle from the factory.

Key Features & Benefits

• Exact OEM Fit – Manufactured to Subaru factory tolerances for a precise, leak-free connection with no modification required.
• Genuine Subaru Quality – Not an aftermarket approximation; this is the same hose installed on the assembly line, ensuring material integrity and longevity.
• Heat & Pressure Resistant Construction – Built to withstand the elevated underhood temperatures and coolant pressures of the FA20DIT turbocharged engine found in the WRX.
• Prevents Costly Overheating – A properly sealing lower radiator hose maintains coolant circulation, protecting your engine from heat-related damage.
• Factory Warranty Coverage – Backed by Subaru's genuine parts warranty when purchased and installed through authorized channels.
• Direct OEM Replacement – Eliminates fitment guesswork; simply remove the old hose and install this one with standard hand tools.

What's Included

• 1x Genuine Subaru Lower Radiator Hose (Part #45161SG010)

Specifications

Fitment & Compatibility

This lower radiator hose is designed for the following Subaru vehicles:

Is this compatible with the WRX STI? The WRX STI uses a different engine (EJ257) and may require a different hose. Confirm fitment using your VIN before ordering. Part number 45161SG010 is specifically listed for the FA20DIT-powered WRX.

Installation

This is a direct bolt-on / hose-on replacement requiring no cutting, splicing, or modification. The job is suitable for a DIY mechanic with basic hand tools. Allow the engine to cool completely before draining coolant and removing the old hose. Replace the hose clamps if worn, refill with Subaru Super Coolant, and bleed the cooling system per the factory service manual. Professional installation is recommended if you are not comfortable working with cooling systems.