Genuine Subaru In-Tank Fuel Filter 42072AG140

In the world of modern Subaru engineering, the fuel system is the most critical factor in engine longevity. This In-Tank Fuel Filter is not just a maintenance item; it is the primary safeguard for your fuel injectors and the high-precision tolerances of your engine.

Over time, sediment and contaminants from service station tanks accumulate, forcing your fuel pump to work harder and creating a "lean" risk under boost. By the time you notice a hesitation or a rough idle, the damage to your pump's lifespan may already be done.

Genuine Subaru In-Tank Fuel Filter

The Vital Shield for Your High-Pressure Fuel System.

This is the 100% Genuine Subaru replacement for the internal fuel pump module. Unlike generic aftermarket filters that often use inferior filtration media or inconsistent housing tolerances, the Roo Racing curated Genuine Filter ensures factory-spec flow rates and micron-level protection.

For performance-oriented Subarus, we consider this a 60,000km / 4-Year "Must-Replace" item to ensure your fuel trims stay consistent and your pump remains cool and efficient.

Why the Roo Racing Genuine Filter?

• Optimized Pump Longevity: A clogged filter creates backpressure, causing the fuel pump to overheat. Replacing the filter restores the factory load profile, extending the life of your expensive pump assembly.

• Tuning Stability: Inconsistent fuel pressure is a tuner’s nightmare. This filter ensures a steady, clean supply of fuel to the rails, preventing the lean-out conditions that lead to "Ringland" issues in turbo models.

• Exact Modular Fit: Being a Genuine Subaru part, the internal O-rings and clips line up perfectly. No struggling with "near-enough" aftermarket housings that can lead to internal tank leaks and pressure loss.

Product Specifications

• Component: Internal Fuel Pump Filter (Genuine Subaru)

• Part Number: 42072AG140

• Location: In-Tank (Part of the Fuel Pump Assembly)

• Manufacturing Origin: Japan

Fitment & Compatibility

This filter is a direct replacement for the following Subaru models:

• Subaru Impreza / WRX / STI | GE, GH, GR, GV (2008–2014)

• Subaru WRX STI | VAF (2015–2021)

• Subaru Forester | SH (2009–2013)

• Subaru Liberty / Outback | BL, BP (2004–2009)

🛡️ The Roo Racing Heritage Tip

Replacing the in-tank filter is the perfect time to inspect your Fuel Pump Tank Seal (Gasket). Because these seals are under constant pressure and submerged in fuel, they often swell or perish once the assembly is removed. We recommend having a fresh seal on hand to ensure a leak-free reinstallation.

In Stock | Ready for Immediate Dispatch. Protect your injectors and your engine’s future. Upgrade to a fresh Genuine filter today.