How often should I replace the filter element?

The replacement interval depends on fuel quality and usage. Fuelab recommends inspecting the filter element regularly and replacing it when it appears dirty or flow is reduced. A clogged filter can cause fuel starvation and performance issues.

What is the purpose of the check valve?

The check valve prevents fuel from flowing backward through the filter when the fuel pump is not running. This helps maintain fuel pressure in the system, which can improve starting and reduce the risk of vapor lock.

Is this filter compatible with all fuel types?

This filter is compatible with gasoline, diesel, and ethanol-blended fuels. However, it is always a good idea to check the manufacturer's recommendations for your specific fuel type to ensure compatibility.

Fuelab 858 In-Line Fuel Filter Long -8AN In/Out 6 Micron Fiberglass w/Check Valve - Black

Specifications

Brand: Fuelab
Part #: 85831-1
UPC: 00845096005993

Fuelab 858 In-Line Fuel Filter Long -8AN In/Out 6 Micron Fiberglass w/Check Valve - Black

Name: Fuelab 858 In-Line Fuel Filter Long -8AN In/Out 6 Micron Fiberglass w/Check Valve - Black
Brand: Fuelab
SKU: fuelab-fuelab-858-in-line-fuel-filter-long-8an-in-out-6-micron-fiberglass-w-chec-t14-309365
Price: 306.00 USD
Availability: BackOrder

$306.00

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

In-line fuel filter with check valve. Keeps your fuel system clean.

Key Features

In-line fuel filter — protects fuel system components from contamination
-8AN inlet/outlet ports — compatible with common fuel system plumbing
6 micron fiberglass filter element — traps fine particles
Check valve — prevents fuel backflow
Black anodized finish — resists corrosion

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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