Fuelab In-Line Fuel Filter Standard Length -6AN Inlet/Outlet 100 Micron Stainless Steel Element Black

Fuelab Stainless Steel 100 Micron In-Line Fuel Filter -6AN Black | 100 Micron Filtration | Fuel System Pre-Filter

Overview

The Fuelab Stainless Steel 100 Micron In-Line Fuel Filter is designed as a high-quality pre-filter solution for fuel pumps, compatible with a wide range of fuels including gasoline, diesel, methanol, and ethanol. Featuring a compact 3-inch design and a durable stainless steel filter element, this filter is ideal for Subaru enthusiasts looking to protect their fuel system components from contaminants that can cause pump cavitation and reduce performance reliability.

Engineered with precision, the filter incorporates a billet aluminum housing anodized to military specifications (MIL-A-8625, Type II) for exceptional corrosion resistance and durability. The 6AN inlet and outlet fittings ensure secure, leak-free connections, while the replaceable and cleanable stainless steel element offers long-term serviceability. Fuelab’s commitment to quality and performance makes this filter a trusted choice for maintaining optimal fuel flow and protecting high-performance fuel pumps.

For Subaru owners, maintaining clean fuel delivery is critical to engine health and tuning consistency, especially when running aftermarket fuel systems or high-flow pumps. This filter’s low pressure drop and 200 PSIG maximum pressure rating ensure efficient fuel flow without compromising pump performance, making it a practical upgrade for WRX, STI, BRZ, and other Subaru platforms requiring reliable fuel filtration.

Features & Specifications

This Fuelab Stainless Steel 100 Micron In-Line Fuel Filter is engineered for universal fitment and features a 100 micron stainless steel element with 6AN inlet/outlet fittings. Constructed from billet aluminum with a black anodized finish, it delivers durable, corrosion-resistant filtration for Subaru enthusiasts seeking reliable fuel system protection and pump longevity.

• Brand: Fuelab
• Product: Stainless Steel 100 Micron In-Line Fuel Filter -6AN Black
• Part Number: 81821-1
• Fitment: Universal
• Material: Billet Aluminum housing, Stainless Steel filter element
• Finish: Black anodized (MIL-A-8625, Type II)
• Construction: Billet aluminum body with replaceable stainless steel element
• Origin: Not specified
• Filter Rating: 100 micron
• Inlet/Outlet Size: -6AN male fittings
• Flow Capacity: Supports up to 200 GPH
• Maximum Pressure: 200 PSIG
• Fuel Compatibility: Gasoline, diesel, methanol, ethanol
• Mounting: Includes low profile saddle clamp bracket(s)

Key Benefits

• Fuel System Protection: Prevents contaminants from damaging fuel pumps and injectors, reducing risk of cavitation and premature wear.
• Durability: Billet aluminum housing with military-grade anodizing resists corrosion and withstands harsh environments common in Subaru applications.
• Serviceability: Replaceable and cleanable stainless steel filter element extends filter life and reduces maintenance costs.
• Universal Fitment: 6AN inlet/outlet fittings and compact design allow easy integration into a variety of Subaru fuel systems and aftermarket setups.
• Fuel Compatibility: Suitable for multiple fuel types, supporting diverse Subaru builds including those running alternative fuels or ethanol blends.
• Low Pressure Drop: Maintains efficient fuel flow to support high-performance fuel pumps without sacrificing reliability.

What's Included

• 1× Fuelab Stainless Steel 100 Micron In-Line Fuel Filter -6AN Black
• Low profile saddle clamp mounting bracket(s)
• Installation instructions

Installation & Compatibility

Installation of the Fuelab Stainless Steel 100 Micron In-Line Fuel Filter is straightforward for those familiar with fuel system plumbing, requiring basic hand tools and knowledge of fuel line routing. The included saddle clamp brackets facilitate secure mounting in tight engine bays common to Subaru platforms. This filter is designed as a pre-filter for fuel pumps and should be installed upstream to protect the pump from debris. No modifications are typically necessary, but verify hose and fitting compatibility with your specific fuel system components.

• Professional Installation: Recommended for those unfamiliar with fuel system work
• Modifications Required: None
• Verify Compatibility: Confirm fitment for your specific Subaru model and fuel system setup

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