Autobest

Autobest F4323 Electric Fuel Pump

Brand Autobest F4323
Fits Subaru, Nissan, Isuzu, and Opel · 26 vehicles

Complete installation kit. Includes the accessories needed for a full fuel pump install.

Ethanol-tolerant design. Built for modern fuel systems with superior fuel compatibility.

Rollervane pump. Delivers steady fuel flow with efficient 12V operation.

Cross-references Airtex Fuel Pumps E8312, Carter P70304 and Delphi FD0035 for the same application. See all 55.

$73.90Free shipping
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Autobest F4323 Electric Fuel Pump

The Autobest F4323 electric fuel pump is an external, 12V rollervane fuel pump built for steady fuel delivery in older import applications. It includes the accessories needed for a complete installation, while the strainer is sold separately. This Autobest Electric Fuel Pump line focuses on quality materials and ethanol tolerance for modern fuel blends.

Key Features

  • External 12V electric fuel pump with rollervane design
  • Average flow rating: 90 GPH
  • Operating pressure range: 72.5 to 116 PSI
  • Average current draw: 4.8A
  • Hose inlet and hose outlet configuration
  • FKM gasket or seal included
  • Male terminals with threaded connection
  • Limited lifetime warranty

Product Details

Autobest F4323 is an electric fuel pump for fuel system service where consistent pressure and flow are required. It is built with top-grade components and tested throughout manufacturing to support dependable operation. The pump is externally mounted, uses a single outlet, and is designed for 12V systems with improved ethanol tolerance for today’s fuel formulations. This part cross-references Airtex E8312 and Carter P70304 for the same application.

Compatible With 1985-1987 Isuzu Impulse, externally mounted main supply pump; 1983-1986 Isuzu Impulse; 1986 Nissan 720; 1981-1984 Nissan Maxima; 1980-1983 Nissan 200SX; 1979-1983 Nissan 280ZX; and 1977-1981 Nissan 810, except California. For shoppers searching for an electric fuel pump for Nissan 280ZX, Nissan Maxima fuel pump replacement, or Isuzu Impulse external fuel pump applications, the F4323 is a direct-fit option within the listed vehicles.

Common Uses

  • Restoring fuel pressure on a hard-starting vehicle
  • Replacing a weak or noisy external fuel pump
  • Addressing fuel starvation under load
  • Correcting inconsistent fuel delivery at the rail or carburetor
  • Servicing older Nissan and Isuzu fuel systems with external pump layouts

Installation Notes

Confirm inlet and outlet hose sizing before installation. The strainer is sold separately, so verify the fuel system has the correct filtration in place. This pump uses male threaded terminals and does not include a wire harness or regulator. Review vehicle-specific routing, mounting location, and pressure requirements before final installation.

Quality Assurance

Autobest uses top-quality materials and tests pumps during manufacturing to help maintain consistent performance. The F4323 includes a limited lifetime warranty and is supplied with the accessories needed for a complete installation, excluding the strainer.

This part fits 26 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
1987IsuzuImpulse2.0LL4N/AExternally Mounted Main Supply Pump
1986IsuzuImpulse2.0LL4N/AExternally Mounted Main Supply Pump
1986IsuzuImpulse1.9LL4N/A
1986Nissan7202.4LL4N/A
1985IsuzuImpulse2.0LL4N/AExternally Mounted Main Supply Pump
1985IsuzuImpulse1.9LL4N/A
1984IsuzuImpulse1.9LL4N/A
1984NissanMaxima2.4LL6N/A
1983IsuzuImpulse1.9LL4N/A
1983Nissan200SX2.2LL4GASN/A
1983Nissan280ZX2.8LL6N/A
1983NissanMaxima2.4LL6N/A
1982Nissan200SX2.2LL4GASN/A
1982Nissan280ZX2.8LL6N/A
1982NissanMaxima2.4LL6N/A
1981Nissan200SX2.0LL4GASN/A
1981Nissan280ZX2.8LL6N/A
1981Nissan8102.4LL6N/AExc. Calif.
1981NissanMaxima2.4LL6N/A
1980Nissan200SX2.0LL4GASN/A
1980Nissan280ZX2.8LL6N/A
1980Nissan8102.4LL6N/AExc. Calif.
1979Nissan280ZX2.8LL6N/A
1979Nissan8102.4LL6N/AExc. Calif.
1978Nissan8102.4LL6N/AExc. Calif.
1977Nissan8102.4LL6N/AExc. Calif.
Directly replaces or cross-references 55 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Airtex Fuel Pumps — E8312Carter — P70304Delphi — FD0035US Motor Works — USEP83128-94113-205-18-94146-774-08-94411-322-0152-0253152-0765152-0804402-P83127420-211107420-2120017011-80W1017011-D330017011-D331017011-F510217011-F511217011-P721117011-P790017011-P900017011-P901617011-P902217011-W131117011-W241117011-W301117011-W301617011-Y800042021-GA290694556956769578695796961269614696156961689836259292140EFP301EFP8050EFP8312EH312EP185EP220EP424EP7103EP7222EP7245EP7248EP7250EP7251EP7257EP7261SP1188