US Motor Works USEP8785M Fuel Pump Module Assembly

Brand US Motor Works USEP8785M
Empty 200.0 ohms
Flow Rate Min 140.0 lph
Full 10.0 ohms
Includes Hardware and tank seal where applicable, installation instruction
Pressure Max N/a psi
Pressure Min 50.0 ohms
Voltage 12.0 vdc
Fits Kia · 10 vehicles

OE-spec design. Built and tested to meet or exceed original equipment specifications.

Quality materials. Manufactured with high-quality materials for dependable fuel delivery.

Fuel pump module assembly. Complete fuel module for air and fuel delivery applications.

Cross-references Airtex Fuel Pumps E8785M, 31110-2G150 and 31110-2G150DS for the same application. See all 4.

$206.75Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $206.75
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Fuel Pump Module Assembly for Kia Optima and Magentis

US Motor Works USEP8785M is a fuel pump module assembly built for 2006-2010 Kia Optima and 2006-2010 Kia Magentis applications. It is engineered to meet or exceed original equipment specifications and uses quality materials for dependable fuel delivery.

Key Features

  • Fuel pump module assembly for in-tank installation
  • Designed for 12 VDC electrical systems
  • Flow rate minimum: 140 LPH
  • Fuel level sender resistance: 200 ohms empty, 10 ohms full
  • Includes hardware and tank seal where applicable, plus installation instructions
  • Built to meet or exceed original equipment specifications

Detailed Description

The US Motor Works USEP8785M fuel pump module assembly is a direct-fit fuel delivery component for select Kia models. It is designed for the 2006-2010 Kia Optima and 2006-2010 Kia Magentis, with in-tank assembly configuration and integrated fuel tank sending unit notes as listed in the fitment data. The module supports consistent fuel flow at a minimum of 140 LPH and operates on a 12 VDC system, making it a practical replacement for worn or failing OE-style fuel modules. This part cross-references Airtex Fuel Pumps E8785M for the same application.

What It Helps Fix

  • Hard starting caused by weak fuel delivery
  • Engine stalling from inconsistent pump output
  • Fuel gauge errors related to sender resistance wear
  • Loss of fuel pressure from a failing in-tank module
  • Driveability issues tied to an aging fuel pump assembly

Installation Notes and Tips

Fits 2006-2010 Kia Optima, N/A. Fits 2006-2010 Kia Magentis, N/A. Confirm the vehicle’s in-tank fuel module configuration and electrical connector match before installation. Follow the included installation instructions and replace the tank seal where applicable during service. Part number USEP8785M should be verified against the original unit and interchange references before installation.

Quality Assurance

US Motor Works states that its fuel modules are designed and tested to meet or exceed original equipment specifications. The USEP8785M is manufactured with quality materials and is intended to provide OE-style fit and function for the listed Kia applications.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2010KiaMagentisLX2.7LV6GASN/AIn Tank Assy.(Incl.Fuel Tank Sending Unit)
2010KiaOptimaSX2.7LV6GASN/AIn Tank Assy.(Incl.Fuel Tank Sending Unit)
2009KiaMagentisLX2.7LV6GASN/AIn Tank Assy.(Incl.Fuel Tank Sending Unit)
2009KiaOptimaSX2.7LV6GASN/AIn Tank Assy.(Incl.Fuel Tank Sending Unit)
2008KiaMagentisLX2.7LV6GASN/AIn Tank Assy.(Incl.Fuel Tank Sending Unit)
2008KiaOptimaLX2.7LV6GASN/AIn Tank Assy.(Incl.Fuel Tank Sending Unit)
2007KiaMagentisLX2.7LV6GASN/AIn Tank Assy.(Incl.Fuel Tank Sending Unit)
2007KiaOptimaLX2.7LV6GASN/AIn Tank Assy.(Incl.Fuel Tank Sending Unit)
2006KiaMagentisLX2.7LV6GASN/AIn Tank Assy.(Incl.Fuel Tank Sending Unit)
2006KiaOptimaLX2.7LV6GASN/AIn Tank Assy.(Incl.Fuel Tank Sending Unit)
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Airtex Fuel Pumps — E8785M31110-2G15031110-2G150DSSP3033M