Subaru OEM Engine Maintenance Kit | SOA906V9341

Overview

The Subaru OEM Engine Maintenance Kit (SOA906V9341) is a comprehensive three-part fuel and emissions system cleaning solution engineered specifically for Subaru turbocharged engines. Designed for WRX, STI, Forester XT, Legacy GT, and Outback XT owners, this kit tackles carbon buildup, fuel injector deposits, and throttle body grime without requiring disassembly. Using genuine Subaru OEM-formulated chemicals ensures compatibility and performance that aftermarket alternatives simply cannot match.

Key Features & Benefits

• Three-Stage Cleaning System — Addresses fuel injectors, throttle components, and upper engine deposits in one complete kit, saving time and money versus purchasing individual products separately.
• No-Disassembly Fuel Injector Cleaning — The Fuel Injector Cleaner (SOA868V9166) is added directly to the gas tank, cleaning injectors and intake valves from the inside out while you drive.
• High-Pressure Throttle Body Treatment — The Throttle Plate and Induction Cleaner (SOA868V9170) delivers a concentrated aerosol mist that dissolves grime on the throttle plate and idle air control components, restoring smooth idle and throttle response.
• Upper Engine Carbon Removal — The Top Engine Cleaner (SOA868V9161) targets soft carbon deposits in the intake plenum, valves, upper cylinders, and compression rings, helping restore compression and combustion efficiency.
• Genuine Subaru OEM Formulation — Each product is engineered and approved by Subaru to meet factory specifications, ensuring safe use on all compatible Subaru turbocharged platforms.
• Preventive & Restorative — Effective as both a regular maintenance treatment and a corrective measure for engines experiencing rough idle, hesitation, or reduced fuel economy due to carbon buildup.

What's Included

• Fuel Injector Cleaner — SOA868V9166 (gas tank additive)
• Throttle Plate and Induction Cleaner — SOA868V9170 (high-pressure aerosol)
• Top Engine Cleaner — SOA868V9161 (intake and upper cylinder mist)

Specifications

Fitment & Compatibility

This Subaru OEM Engine Maintenance Kit is designed for Subaru turbocharged applications and is compatible with the following vehicles:

• Subaru WRX: 2002–2007, 2008–2014, 2015–2021, 2022
• Subaru WRX STI: 2004–2007, 2008–2014, 2015–2021
• Subaru Forester XT: 2004–2008, 2009–2013, 2014–2018
• Subaru Legacy GT: 2005–2009
• Subaru Outback XT: 2005–2009

If you are unsure whether this kit fits your specific vehicle, please contact our parts team with your year, make, model, and VIN for confirmation.

Installation

This kit is designed for straightforward DIY use without professional tools or disassembly. The Fuel Injector Cleaner is added directly to a full tank of fuel. The Throttle Plate and Induction Cleaner and Top Engine Cleaner are applied via aerosol spray into the appropriate intake locations per the instructions included with each product. For best results, follow the application sequence recommended by Subaru and perform this service as part of your regular scheduled maintenance. Always refer to the individual product instructions and your vehicle's owner's manual before use.