Fuelab 85831-4 In-Line Fuel Filter with Integrated Check Valve Micron - 6

The Fuelab 858 Series In-Line Fuel Filter combines high-performance filtration with an integrated check valve in a single compact unit. This innovative design allows your fuel system to maintain pressure after engine and pump shutdown, eliminating the need for a separate check valve component and additional fittings.

Key Features:

• 6 micron fiberglass filter element for superior filtration
• Integrated check valve maintains fuel pressure after shutdown
• Long length design with 5 inch element size
• Check valve protected by filter housing
• Compatible with methanol, ethanol, gasoline, and diesel fuel
• Eliminates need for separate check valve and extra adapters

The integrated check valve design provides a clean, simplified installation while protecting the valve from debris. Compatible with multiple fuel types including alcohol-based racing fuels, this filter is ideal for performance applications where maintaining fuel system pressure is critical for consistent starts and operation.