Fuelab In-Line Fuel Filter Standard Length -6AN Inlet/Outlet 6 Micron Fiberglass Element w/ Check Valve Black

Fuelab In-Line Fuel Filter Standard Length -6AN 6 Micron Fiberglass Element w/ Check Valve Black | High Flow Filtration | Fuel System Component

Overview

The Fuelab In-Line Fuel Filter with integrated check valve is a high-performance fuel system component designed for universal fitment across Subaru platforms and other vehicles using -6AN fuel lines. This filter combines a 6-micron micro-fiberglass element with a built-in check valve to ensure clean fuel delivery while maintaining fuel pressure after engine shutdown. Ideal for enthusiasts seeking reliable filtration and consistent fuel system performance, this filter supports gasoline, diesel, methanol, and ethanol fuels, making it versatile for various tuning and fueling setups.

Engineered with precision, the Fuelab filter features a billet aluminum housing anodized to military specifications (MIL-A-8625, Type II) for durability and corrosion resistance. The integrated check valve assembly is designed to reduce fuel pressure loss during shutdown, improving cold starts and overall fuel system responsiveness. The replaceable micro-fiberglass element offers superior filtration efficiency, reducing maintenance frequency compared to conventional filters.

For Subaru owners focused on maintaining optimal fuel system health, this filter provides enhanced flow capacity and particle protection critical for high-performance and daily-driven applications alike. Its universal design and robust construction ensure compatibility and longevity, supporting the demanding conditions of turbocharged WRX/STI engines or naturally aspirated setups. Proper filtration and pressure retention contribute to consistent engine performance and reliability.

Features & Specifications

This Fuelab In-Line Fuel Filter is engineered for universal fitment with -6AN fuel lines and features a 6-micron micro-fiberglass filter element combined with an integrated check valve. Constructed from billet aluminum with a military-grade anodized finish, it delivers high flow capacity and reliable fuel pressure retention for Subaru enthusiasts seeking durable and efficient fuel filtration.

• Brand: Fuelab
• Product: In-Line Fuel Filter Standard Length -6AN 6 Micron Fiberglass Element w/ Check Valve Black
• Part Number: 84831-1
• Fitment: Universal
• Material: Billet Aluminum
• Finish: Black Anodized (MIL-A-8625, Type II)
• Construction: CNC Machined with Integrated Check Valve Assembly
• Origin: Not Specified
• Filter Element: 6 Micron Micro-Fiberglass, 3 Inch Length
• Maximum Pressure Rating: 200 PSIG
• Inlet/Outlet Size: -6AN Male
• Fuel Compatibility: Gasoline, Diesel, Methanol, Ethanol
• Maintenance: Replaceable Disposable Filter Element

Key Benefits

• Filtration Efficiency: 6-micron micro-fiberglass element provides superior particle filtration, protecting fuel injectors and pumps.
• Fuel Pressure Retention: Integrated check valve maintains fuel pressure after shutdown, improving cold starts and throttle response.
• Durability: Billet aluminum housing with military-grade anodizing ensures corrosion resistance and long service life.
• Compatibility: Universal -6AN fittings fit a wide range of Subaru fuel systems and aftermarket setups.
• Maintenance Reduction: Advanced filter element reduces cleaning frequency and extends service intervals.
• Fuel Versatility: Compatible with gasoline, diesel, methanol, and ethanol fuels for diverse tuning applications.

What's Included

• 1× Fuelab In-Line Fuel Filter Standard Length -6AN 6 Micron Fiberglass Element w/ Check Valve Black
• 1× Low Profile Saddle Clamp Mounting Bracket
• 1× Replaceable 3 Inch 6 Micron Micro-Fiberglass Filter Element (installed)
• Installation Instructions

Installation & Compatibility

Installation of the Fuelab In-Line Fuel Filter is straightforward for enthusiasts familiar with fuel system components and -6AN fittings. The filter includes a low profile saddle clamp for secure mounting, but professional installation is recommended to ensure proper fuel line connections and leak-free operation. No special tools beyond standard AN wrenches and clamps are typically required. This filter is universally compatible with any vehicle using -6AN fuel lines, including Subaru WRX, STI, BRZ, and other models, but verifying fitment for your specific setup is advised. No tuning modifications are necessary, though maintaining clean fuel and proper pressure supports optimal engine performance.

• Professional Installation: Recommended
• Modifications Required: None
• Verify Compatibility: Confirm fitment for your specific fuel system and line size

Shop with confidence at Subimods—your Subaru parts specialists.