Fuelab 81831-2 Series In-Line Fuel Filter Micron - 818 6 Fiberglass Red 6AN

The Fuelab 81831-2 is a compact, high-performance inline fuel filter from the popular 818 Series, featuring a 3-inch, 6-micron fiberglass filter element housed in a red anodized billet aluminum body. Engineered for demanding fuel systems, it delivers reliable filtration for gasoline, diesel, methanol, and ethanol applications.

The billet aluminum housing is finished with a durable military-spec anodize (MIL-A-8625, Type II) for corrosion resistance and long service life. Male AN / 37° flared fitting end caps allow direct connection to fuel system components with AN female ports, while machined internal radii minimize pressure drop across the filter.

Key Features:

• 6-micron fiberglass filter element — standard length 3-inch element for fine particulate filtration
• 200 GPH flow capacity — compact design supports up to 200 gallons per hour
• -6AN male inlet and outlet — male AN / 37° flared fittings for direct AN plumbing integration
• 200 PSIG maximum pressure rating — suitable for high-pressure fuel systems
• Billet aluminum housing — red anodized finish per MIL-A-8625, Type II
• Multi-fuel compatible — works with gasoline, diesel, methanol, and ethanol
• Replaceable or cleanable filter element — reduces long-term maintenance costs
• Includes low-profile saddle clamp mounting bracket — for secure, clean installation
• Overall body length: 4.33 in. | Outside diameter: 2.13 in.
• Backed by Fuelab's 2-year limited warranty

Note: AN female ports required on mating components. O-ring required for connection. Consult component manufacturer port specifications.