Protect your fuel system components with the Fuelab 818 Series Standard In-Line Fuel Filter (MPN 81801-2). Designed for high-performance applications, this filter features a 10-micron fabric element that captures fine particulates to prevent injector clogging and premature wear. The standard-length housing is finished in a durable red anodize, providing both corrosion resistance and a clean look for your engine bay.

• Filtration: 10-micron replaceable fabric element for superior particulate removal.
• Fittings: -6AN inlet and outlet ports for secure, leak-free plumbing into your fuel system.
• Housing: Standard length design optimized for space-efficient installation.
• Finish: Red anodized finish for durability and professional aesthetics.
• Serviceability: Features a replaceable internal element to maintain peak filtration efficiency over time.

The Fuelab 81801-1 In-Line Fuel Filter provides essential protection for your fuel system, specifically designed to trap fine contaminants before they reach sensitive injectors. This standard-length 818 Series filter utilizes a 10-micron replaceable fabric element, making it an ideal choice for use as a post-filter in high-pressure EFI configurations.

Constructed for performance and ease of maintenance, the housing features -6AN male flare inlet and outlet ports for secure plumbing into your existing fuel lines. The durable billet construction is finished in a black anodize for superior corrosion resistance and a professional look. The internal filter element can be easily serviced or replaced to maintain optimal fuel flow and system health.

• Manufacturer Part Number: 81801-1
• Series: 818 (Standard Length)
• Inlet/Outlet: -6AN Male Flare
• Filter Media: 10 Micron Fabric (Replaceable)
• Finish: Black Anodized
• Housing Material: Billet Aluminum

The Fuelab 74101 Fuel Tank Feed Thru is a specialized bulkhead fitting designed to provide a secure, leak-proof passage for fuel lines entering or exiting a fuel tank or fuel cell. This high-performance component ensures that fuel transfer is handled safely without compromising the integrity of the tank wall.

Constructed for durability in demanding environments, this feed-thru replaces unreliable grommets or sealant-heavy pass-throughs with a rigid mechanical connection. It is an essential part for custom fuel system plumbing, especially when routing lines for external fuel pumps or return circuits.

• Manufacturer Part Number: 74101
• Provides a secure, professional-grade bulkhead connection through tank walls
• Eliminates fuel vapor leaks and protects lines from edge abrasion
• Ideal for custom fuel cell and high-flow fuel system installations

The Fuelab 72004 External DC Brushless Fuel Pump Controller provides the precise electronic drive required to operate high-performance brushless fuel pumps. This controller allows for versatile fuel delivery management, supporting both constant full-speed operation and demand-based variable speed control. By utilizing a 0-5V analog or PWM signal from your ECU, the 72004 adjusts pump speed to match engine demand, significantly reducing fuel heating and electrical system strain during low-load conditions.

Built to withstand the rigors of high-performance environments, this external unit features a robust housing designed for heat dissipation. It is an essential component for any EFI or carbureted system transitioning to brushless technology for improved reliability and flow capacity.

• Manufacturer Part Number: 72004
• Current Rating: 25 Amps
• Motor Type: DC Brushless
• Control Logic: Full speed or variable speed input
• Input Signal: Compatible with PWM or 0-5V analog signals
• Installation: External mounting for easy access and cooling

Maintain optimal fuel system protection with the Fuelab 71808 5-inch micro-fiberglass replacement element. This 6-micron filter element is engineered for high-efficiency filtration, trapping fine contaminants before they can reach sensitive fuel injectors or pressure regulators. The micro-fiberglass media provides a high surface area for superior dirt-holding capacity while maintaining excellent flow rates.

• Manufacturer Part Number: 71808
• Filter Media: High-efficiency micro-fiberglass
• Filtration Rating: 6 Micron
• Element Length: 5 Inches
• Compatibility: Designed for Fuelab filter housings requiring 5-inch elements
• Included Hardware: Two (2) replacement O-rings and detailed instructions

Maintain your fuel system's efficiency and protect sensitive downstream components with the Fuelab 71805 replacement filter element. This 5-inch cellulose paper element provides 10-micron filtration, making it an ideal choice for fine filtration in gasoline and diesel fuel systems to prevent injector fouling and pump wear.

As a genuine Fuelab service component, this element is designed for exact fitment within Fuelab filter housings, ensuring fuel doesn't bypass the media. Replacing the element at regular intervals prevents debris-induced pressure drops and helps maintain consistent fuel rail pressure under load.

• Filtration Rating: 10 Micron
• Element Material: Cellulose Paper
• Length: 5.00"
• Manufacturer Part Number: 71805
• Compatibility: Designed for use with Fuelab fuel filter housings
• Package Includes: (1) Filter element, (2) replacement O-rings, and instructions

Ensure your fuel system remains free of fine particulates with the Fuelab 71804 6-micron micro-fiberglass replacement element. Designed for 3-inch filter housings, this high-efficiency filter media is engineered to protect sensitive fuel injectors and pressure regulators from microscopic debris that standard filters might miss.

This element is typically utilized as a post-filter in high-performance EFI systems where fine filtration is critical. The micro-fiberglass construction provides a high surface area for superior contaminant holding capacity while maintaining excellent flow characteristics across various fuel types. This kit includes the necessary O-rings to ensure a leak-free seal during your routine maintenance interval.

• Manufacturer Part Number: 71804
• Filter Rating: 6 Micron
• Media Material: Micro-Fiberglass
• Element Length: 3 Inch
• Fuel Compatibility: Compatible with gasoline, diesel, methanol, and ethanol/E85
• Included Hardware: (2) Replacement O-rings and installation instructions

Maintain your fuel system’s integrity with the Fuelab 71803 100-micron stainless steel replacement element. Designed for use in 3-inch filter housings, this element serves as a high-flow pre-filter to protect your fuel pump from large debris and contaminants. The stainless steel mesh construction provides excellent corrosion resistance and is compatible with a wide variety of fuels.

• Manufacturer Part Number: 71803
• Filter Media: 100 Micron Stainless Steel Mesh
• Element Length: 3 Inches
• Fuel Compatibility: Gasoline, Diesel, E85, and Methanol
• Included Hardware: Two (2) replacement O-rings and installation instructions

This element is a direct replacement for Fuelab 3-inch filter assemblies, allowing for easy service and restoration of filtration efficiency in performance fuel systems.

Maintain optimal fuel flow and protect your high-performance fuel system with this Fuelab 71802 3-inch replacement filter element. Featuring a 40-micron stainless steel mesh, this element provides precise filtration and is compatible with a wide variety of fuels, including gasoline, diesel, methanol, and ethanol. The stainless steel construction offers superior durability and chemical resistance compared to standard paper elements.

• Manufacturer Part Number: 71802
• Filtration Rating: 40 Micron
• Element Material: Stainless steel mesh
• Length: 3-Inch
• Fuel Compatibility: Gasoline, Diesel, Methanol, Ethanol (E85)
• Included Components: (1) 3-inch element, (2) replacement O-rings, and installation instructions

Maintain the integrity of your fuel system with the Fuelab 71801 10 Micron Paper Replacement Element. Designed for 3-inch filter housings, this disposable cellulose element provides critical protection for fuel injectors and sensitive downstream components by trapping fine particulates as small as 10 microns.

• 10 micron filtration rating for reliable fuel system protection
• 3-inch element length specifically for Fuelab filter housings
• High-quality cellulose (paper) filter media
• Includes two replacement O-rings to ensure a leak-free seal during service
• Complete with installation instructions for proper maintenance
• Manufacturer Part Number: 71801

Replacing your filter element at regular intervals is essential to prevent pressure drops and protect your fuel pump and injectors from debris.

Maintain consistent fuel system pressure and prevent backflow with the Fuelab 71704 10AN High Flow One Way Check Valve. Engineered for high-volume fuel systems, this valve ensures fuel only moves in one direction, preventing drain-back to the tank when the pump is off. This helps eliminate hard-start issues and protects your fuel pump from reverse-flow pressure spikes.

• High Flow Capacity: Engineered to support flow rates up to 350 GPH with minimal pressure drop.
• Porting: Equipped with -10AN inlet and outlet ports for seamless integration into high-performance fuel lines.
• Durable Construction: Designed to withstand the demands of high-pressure fuel systems while maintaining a lightweight profile.
• Application: Ideal for maintaining prime in high-performance EFI or carbureted setups.
• Part Number: 71704

The Fuelab 71702 High Flow One Way Check Valve is engineered to maintain fuel system head pressure and prevent backflow when the pump is cycled off. This helps eliminate hard starts caused by fuel drainage and protects your fuel system components from reverse-flow surges. Designed for high-volume applications, this valve supports flow rates up to 350 GPH with minimal pressure drop, ensuring your engine receives the volume it requires under load.

• Manufacturer Part Number: 71702
• Flow Capacity: 350 GPH (Gallons Per Hour)
• Inlet/Outlet Size: -6AN Male
• Construction: High-flow internal design to minimize restriction
• Function: Prevents fuel drainage to maintain system prime

The Fuelab Fuel Cell Vent Kit (MPN 63713) is designed to provide reliable pressure regulation and venting for performance fuel cell installations. Proper venting is a critical safety and performance requirement, preventing fuel cell deformation caused by vacuum or over-pressurization during high-flow operation and temperature fluctuations.

Built to handle the demands of motorsport environments, this kit ensures consistent fuel system behavior and protects the integrity of your fuel cell. It serves as a direct solution for custom builds or as a replacement for worn venting hardware in existing setups.

• Manufacturer Part Number: 63713
• Function: Regulates internal fuel cell pressure and vacuum
• Compatibility: Suitable for universal fuel cell venting applications
• Reliability: Engineered for durability in high-performance fuel systems

The Fuelab Quick Service Surge Tank 2.0 is engineered to eliminate fuel starvation by maintaining a constant reservoir of fuel, protecting your engine during high-G cornering, heavy braking, or low-fuel situations. This modular unit is a gold-anodized chassis only, providing a versatile platform for builders who already have pumps or wish to select their own specific lift and surge pump configurations.

As part of the Quick Service series, this 2.0 version features a design focused on accessibility. The modular assembly allows for faster inspection and maintenance of internal components compared to traditional sealed units. The gold anodized finish provides essential corrosion resistance for various fuel types while ensuring a professional look in the engine bay or trunk.

• Manufacturer Part Number: 62820-0
• Series: Quick Service Surge Tank 2.0
• Finish: Gold Anodized
• Configuration: Chassis only (No lift pump and no surge pump included)
• Application: Universal fuel system component

The Fuelab H/E Series 61714 Fuel Surge Tank System is engineered for high-output applications requiring consistent fuel delivery under extreme conditions. This 290mm tall reservoir houses an integrated 1500 HP brushless twin screw pump, designed to eliminate fuel starvation caused by fuel slosh in the main tank during high-G cornering or hard launches.

The brushless motor technology provides superior efficiency and reliability compared to traditional brushed motors, while the speed-controllable interface allows for precise fuel management via external PWM signals. This system ensures your engine receives a steady flow of high-pressure fuel even when primary tank levels are low or under high lateral loads.

• Integrated 1500 HP brushless twin screw pump
• 290mm tall surge tank reservoir
• Speed controllable for demand-based fuel delivery
• High-efficiency (H/E) series brushless motor design
• Manufacturer Part Number: 61714

The Fuelab 59501-1 Ultralight EFI Adjustable Fuel Pressure Regulator is engineered for high-performance fuel systems where precise pressure control and weight reduction are essential. Designed for universal applications, this regulator supports a broad adjustment range of 25-90 PSI, making it ideal for everything from street performance to forced-induction racing setups.

Built with a compact, lightweight housing, the unit features dual -8AN inlet ports to allow for versatile plumbing options—such as feeding separate fuel rails—while the single -6AN return port ensures efficient fuel bypass without pressure spikes. This regulator is a direct solution for maintaining stable rail pressure in high-demand EFI environments.

• Manufacturer Part Number: 59501-1
• Adjustment Range: 25-90 PSI
• Inlet Ports: (2) -8AN
• Return Port: (1) -6AN
• Application: Universal EFI systems
• Design: Ultralight compact housing for significant weight savings

This universal EFI adjustable fuel pressure regulator is engineered for high-flow applications where precise fuel management is critical. The Fuelab 565 Series features a specialized Max Flow Bypass design to handle high-volume fuel pumps without creating pressure creep at idle or low-load conditions.

• Manufacturer Part Number: 56504-1
• Adjustment Range: 40-80 PSI
• Inlet Ports: Dual (2) -10AN
• Return Port: Single (1) -10AN
• Housing: Black anodized finish
• Application: Universal EFI systems

Built with large internal passages and a high-capacity bypass valve, this regulator ensures stable fuel pressure even in high-horsepower configurations. The 56504-1 is designed to integrate seamlessly into fuel systems requiring -10AN plumbing for maximum throughput and consistent delivery.

The Fuelab 545 Series EFI Adjustable Mini Fuel Pressure Regulator (FPR) provides precise fuel pressure management for high-performance electronic fuel injection systems. Designed for universal EFI applications, this compact regulator solves space constraints in tight engine bays without sacrificing the flow capacity needed for demanding fuel systems.

Constructed with a black anodized finish for superior corrosion resistance, the 54501-1 features an in-line configuration that simplifies plumbing. It utilizes a precision adjustment screw to set fuel pressure between 25 and 90 PSI, ensuring your fuel rail maintains the exact pressure required for optimal injector characterization and tuning.

• Manufacturer Part Number: 54501-1
• Adjustment Range: 25-90 PSI
• Inlet Port: (1) -6AN
• Return Port: (1) -6AN
• Configuration: In-line mini body
• Application: Universal EFI systems
• Finish: Black anodized

The Fuelab 535 Series EFI Adjustable Mini Fuel Pressure Regulator (MPN 53501-5) provides precise fuel pressure control in a compact, space-saving design. Engineered for high-performance electronic fuel injection (EFI) systems, this regulator offers a versatile adjustment range of 25 to 90 PSI to meet specific fueling requirements.

This unit features a durable gold finish and is configured with two -6AN inlet ports and a single -6AN return port. Its "Mini" form factor is specifically designed for installations where engine bay space is at a premium, allowing for flexible mounting without compromising on flow capacity or pressure stability.

• Manufacturer Part Number: 53501-5
• Pressure Adjustment Range: 25-90 PSI
• Inlet Ports: (2) -6AN
• Return Port: (1) -6AN
• Series: 535 Series Mini
• Finish: Gold
• Application: Universal EFI

The Fuelab 535 Series Mini Fuel Pressure Regulator (MPN 53501-4) delivers high-performance fuel management in a compact, lightweight housing designed for space-constrained engine bays. Engineered for electronic fuel injection (EFI) systems, this regulator features a fine-thread pitch for precise pressure adjustments across a 25-90 PSI range.

Constructed for durability and versatility, the 53501-4 is equipped with two -6AN inlets and one -6AN return port, allowing for flexible plumbing configurations. The purple anodized finish provides essential corrosion resistance for various fuel types, including gasoline, diesel, methanol, and ethanol blends.

• Manufacturer Part Number: 53501-4
• Adjustment Range: 25-90 PSI
• Inlet Ports: (2) -6AN
• Return Port: (1) -6AN
• Compatible with EFI systems
• Corrosion-resistant purple anodized finish
• Compact design for weight savings and easy mounting

The Fuelab 53501-3 is a compact, high-performance 535 Series EFI Adjustable Mini Fuel Pressure Regulator designed for precise pressure control in space-limited engine bays. This universal regulator provides a steady fuel supply for EFI systems, featuring a wide adjustment range of 25 to 90 PSI to suit various performance requirements.

• Precision Control: Adjustable range from 25-90 PSI to meet specific fuel system demands.
• Port Configuration: Equipped with dual (2) -6AN inlet ports and a single (1) -6AN return port.
• Durable Construction: Finished in blue anodizing for superior corrosion resistance and a clean look.
• Compact Profile: Mini design allows for easier installation in tight compartments without sacrificing flow capacity.
• Manufacturer Part Number: 53501-3

The Fuelab 53501-2 provides precise fuel pressure control in a compact package, specifically engineered for EFI systems where engine bay space is at a premium. As part of the 535 Series, this Mini Fuel Pressure Regulator (FPR) supports an adjustable range from 25 to 90 PSI, allowing for fine-tuned performance across various fuel demands. Its high-flow bypass design ensures stable pressure and consistent delivery to your fuel rail.

• Adjustment Range: User-adjustable from 25 to 90 PSI for versatile tuning.
• Port Configuration: Features dual -6AN inlets and a single -6AN return port for streamlined plumbing.
• Compact Footprint: Mini design allows for easier mounting in crowded engine bays without sacrificing flow capacity.
• Durable Construction: Finished in red anodizing for corrosion resistance and fuel compatibility.
• Manufacturer Part Number: 53501-2

The Fuelab 535 Series EFI Mini Fuel Pressure Regulator provides precise fuel control in a compact, bypass-style design. Engineered for high-performance EFI systems where space is limited, this regulator offers the same high-flow capacity as larger models but in a smaller, lighter package. It features a versatile (3) -6AN ORB port configuration—consisting of two inlets and one return—allowing for flexible plumbing in various fuel rail layouts.

• Adjustable Range: 25-90 PSI for fine-tuning fuel delivery
• Ports: (3) -6AN ORB ports (2 Inlets, 1 Return)
• Included Accessory: Comes with a matching fuel pressure gauge kit
• Design: Compact mini-series bypass regulator with 1/8" NPT gauge port
• Compatibility: Suitable for gasoline, diesel, methanol, and ethanol fuels
• Manufacturer Part Number: 53501-1K

The Fuelab 535 Series EFI Adjustable Mini Fuel Pressure Regulator provides precision fuel pressure management in a compact, space-saving footprint. Engineered for high-performance EFI systems, this regulator allows for fine-tuned adjustments between 25 and 90 PSI to meet specific engine demands. Its multi-port configuration, featuring two -6AN inlets and a single -6AN return, offers plumbing flexibility for complex fuel rail setups while maintaining stable, consistent pressure.

• Manufacturer Part Number: 53501-1
• Product Series: 535 Mini FPR
• Pressure Adjustment Range: 25-90 PSI
• Inlet Port Size: (2) -6AN
• Return Port Size: (1) -6AN
• Color/Finish: Black
• Application: EFI Systems

The Fuelab 52501-1 525 Series EFI Adjustable Fuel Pressure Regulator provides precise fuel control for high-performance electronic fuel injection systems. Designed for in-line installation, this bypass-style regulator manages pressures between 25 and 90 PSI, ensuring your fuel rail maintains the exact pressure required for your engine's demand.

Each regulator is machined from billet aluminum and finished in a durable black anodize for corrosion resistance. The 525 Series utilizes a fine-thread adjustment screw for tactile, accurate pressure settings and includes a dedicated 1/8" NPT port for mounting a fuel pressure gauge or sensor. Its versatile design is compatible with gasoline, diesel, methanol, and ethanol fuels.

• Adjustment Range: 25-90 PSI
• Inlet Port: (1) -6AN
• Return Port: (1) -6AN
• Gauge Port: 1/8" NPT with plug
• Material: Billet aluminum with black anodized finish
• Configuration: In-line bypass regulator
• Manufacturer Part Number: 52501-1

The Fuelab 515 Series EFI Adjustable Fuel Pressure Regulator is designed for high-performance fuel systems requiring precise pressure control and high flow capacity. This bypass-style regulator features a large seat assembly to handle high-volume fuel pumps while maintaining stable rail pressure from 25 to 90 PSI.

Constructed from billet aluminum with a durable black anodized finish, this unit is built for demanding e-commerce and motorsport applications. It includes two -10AN inlet ports and a single -6AN return port, providing versatile plumbing options for dual-rail or high-flow single-rail configurations. A dedicated 1/8" NPT port is integrated for a fuel pressure gauge or pressure sensor tap.

• Brand: Fuelab
• Series: 515 Series
• MPN: 51505-1-L-E
• Adjustment Range: 25-90 PSI
• Seat Size: Large seat for high flow
• Inlet Ports: (2) -10AN
• Return Port: (1) -6AN
• Material: Billet Aluminum
• Finish: Black Anodized
• Gauge Port: 1/8" NPT

The Fuelab 515 Series EFI Adjustable Fuel Pressure Regulator provides precise fuel pressure management for high-performance EFI systems. This universal regulator is designed to maintain consistent pressure across its operating range, ensuring your fuel system meets the demands of your engine.

Featuring a durable purple anodized finish, the 51502-4 is built for reliability and ease of installation. It utilizes a versatile port configuration with two -6AN inlets and a single -6AN return port, making it compatible with a wide variety of fuel rail and plumbing setups. The internal valve design allows for fine-tuning fuel pressure between 25 and 90 PSI.

• Manufacturer Part Number: 51502-4
• Series: 515 Series
• Pressure Range: 25-90 PSI
• Inlet Ports: (2) -6AN
• Return Port: (1) -6AN
• Application: Universal EFI systems
• Color: Purple

The Fuelab 51502-3 is a high-performance 515 Series EFI adjustable fuel pressure regulator designed for universal fuel injection applications. This bypass-style regulator provides precise pressure control and maintains consistent fuel delivery to the rail, even during high-flow demand. Its versatile design features dual inlets and a single return port, allowing for a variety of plumbing configurations in custom fuel systems.

• Manufacturer Part Number: 51502-3
• Series: Fuelab 515 Series
• Adjustment Range: 25-90 PSI
• Inlet Ports: (2) -6AN
• Return Port: (1) -6AN
• Finish: Blue Anodized
• Application: Universal EFI systems
• Compatible with gasoline, diesel, methanol, and ethanol fuels

The Fuelab 51502-2 is a versatile, high-performance fuel pressure regulator designed for precision EFI tuning. This bypass-style regulator provides stable fuel pressure between 25 and 90 PSI, handling high-flow fuel systems without pressure creep. Its dual-inlet design allows for flexible plumbing configurations, whether you are running a single-rail or dual-rail setup.

• Adjustment Range: 25-90 PSI for versatile tuning across various EFI platforms
• Inlet Ports: Two -6AN inlets for high-flow fuel delivery
• Return Port: One -6AN return port to manage bypass flow efficiently
• Construction: Billet aluminum housing with a durable red anodized finish
• Pressure Reference: 1:1 boost reference ratio via 1/8" NPT port
• Monitoring: 1/8" NPT gauge port for direct pressure readings
• Compatibility: Suitable for gasoline, diesel, methanol, and ethanol fuels
• Manufacturer Part Number: 51502-2

The Fuelab 515 Series EFI Adjustable Fuel Pressure Regulator (MPN: 51502-1) provides precise fuel pressure management for high-performance electronic fuel injection systems. Designed for universal application, this regulator is engineered to maintain stable rail pressure across a wide range of fuel flow requirements.

• Pressure Range: 25-90 PSI (adjustable)
• Inlet Ports: Two (2) -6AN inlets for flexible plumbing configurations
• Return Port: One (1) -6AN return port
• Compatibility: Universal EFI systems
• Finish: Durable black anodized housing
• Manufacturer Part Number: 51502-1

Built with a compact design to fit tight engine bays, the 51502-1 allows tuners to accurately dial in fuel pressure to match specific injector sizing and engine demands. Its high-flow design ensures minimal pressure drop and consistent performance under load.