Subaru OEM Water Pump Gasket | 21114AA120

Overview

The Genuine Subaru OEM Water Pump Gasket (Part #21114AA120) is an exact-fit factory replacement gasket designed for the Subaru models listed in the Fitment & Compatibility section below. Engineered to OEM tolerances, this gasket ensures a leak-free seal between the water pump and engine block, protecting your cooling system and preventing costly coolant loss. Choosing a genuine Subaru part guarantees perfect fitment, factory-grade materials, and compatibility backed by Subaru's warranty.

Key Features & Benefits

• Genuine Subaru OEM Quality – Manufactured to factory specifications, ensuring the same fit, form, and function as the original part installed at the factory.
• Exact-Fit Guarantee – Designed for the Subaru models listed in the Fitment & Compatibility section below, eliminating guesswork and fitment issues common with aftermarket alternatives.
• Leak-Free Seal – Precision-formed gasket material creates a dependable, long-lasting seal between the water pump housing and engine block to maintain cooling system integrity.
• Factory-Grade Materials – Constructed from OEM-approved materials that resist heat, coolant, and pressure cycling for lasting durability.
• Protects Your Engine – A properly sealed water pump prevents coolant leaks that can lead to overheating and serious engine damage.
• Factory Warranty Coverage – Backed by Subaru's genuine parts warranty for added peace of mind.

What's Included

• 1x Genuine Subaru Water Pump Gasket (Part #21114AA120)

Specifications

Fitment & Compatibility

This water pump gasket is a direct OEM replacement for the following Subaru vehicles:

2013-2020 Subaru BRZ

2013-2017 Subaru Crosstrek

2011-2018 Subaru Forester

2012-2016 Subaru Impreza

2013-2019 Subaru Legacy

2013-2019 Subaru Outback

Always verify your vehicle's part number using your VIN before ordering to confirm compatibility with your specific trim and build date.

Installation

This water pump gasket is typically replaced during a water pump replacement service. Installation requires draining the cooling system, removing the water pump, cleaning the mating surfaces, and installing the new gasket with the replacement pump. Professional installation by a qualified Subaru technician is recommended to ensure proper torque specifications and cooling system integrity. Always use fresh OEM-approved coolant when refilling after installation.