Complete Fuel Pump Module Assembly
One major advantage:
- Complete module assembly with fuel sending unit
This helps restore:
- Fuel delivery
- Fuel pressure
- Fuel level readings
- Overall fuel system reliability
Instead of replacing only a single component and hoping the rest cooperates.
Because old fuel pumps and old sending units tend to fail in groups like bad coworkers.
Restores Proper Fuel Pressure
The assembly helps restore:
- Factory fuel pressure
- Stable fuel flow
- Reliable startup performance
- Proper injector operation
- Consistent engine performance
Especially important on:
- GDI engines
- Turbocharged applications
- High-mileage commuter vehicles
Because modern direct-injection engines are extremely sensitive to fuel delivery issues.
Vehicle Compatibility
The 31110-D5500 Electric Fuel Pump Module Assembly is compatible with:
Hyundai Sonata
- 2015 Hyundai Sonata
- 2016 Hyundai Sonata
- 2017 Hyundai Sonata
- 2018 Hyundai Sonata
- 2019 Hyundai Sonata
Kia Optima
- 2016 Kia Optima
- 2017 Kia Optima
- 2018 Kia Optima
- 2019 Kia Optima
- 2020 Kia Optima
Engine compatibility:
- 1.6L
- 2.0L
- 2.4L
Replacement Part Numbers
Direct replacement for:
- 31110-D5500
- 31110-C2500
- SP3087M
- FG2312
- FE0715
- E9389M
- P77058M
- QM031
- 603GE
- 94460-C2500
- 94460C2500
- 31111-C1100
- MM058
- 810GE
Always verify VIN and OE part number before ordering.
Because Hyundai and Kia occasionally update fuel system components during production runs.
【High Quality】made from fine quality materials, factory after strict inspection, meet or achieve the OE same old, to verify the reliability and sturdiness of the product, applicable to a long service life
Common Signs of Fuel Pump Failure
Typical symptoms include:
- Long crank times
- Hard starts
- Hesitation during acceleration
- Reduced fuel pressure
- Random stalling
- Loss of power
- Crank-no-start conditions
And eventually the vehicle starts acting like every startup request is an inconvenience.
OE-Style Construction
The fuel pump assembly is manufactured using:
- High-quality materials
- OE-style specifications
- Factory-level inspection standards
Helping provide:
- Reliable operation
- Long service life
- Consistent fuel delivery
- Proper electrical performance
Without requiring:
- Wiring modifications
- Fuel system changes
- Additional fabrication
Which is exactly how daily-driver repairs should work.
Ideal for High-Mileage Commuters
This fuel pump assembly is especially useful for:
- Daily drivers
- Long-distance commuters
- Ride-share vehicles
- Family sedans
- Preventative maintenance repairs
Because Sonata and Optima owners generally want one thing:
Reliable transportation without drama.
【Role of the fuel pump】 to suck fuel from the fuel tank, pressurize it and transfer it to the fuel supply pipe, and cooperate with the fuel pressure regulator to determine a certain fuel pressure
【Warm Note】Please check the OE number and compatibility sparsely in case unsuitable purchase
Installation Notes
Typical installation includes:
- Relieving fuel system pressure
- Accessing the fuel tank module
- Disconnecting electrical and fuel line connections
- Removing the original fuel pump assembly
- Installing the replacement unit
- Verifying fuel pressure and fuel gauge operation
Estimated installation time:
- 1–3 hours
Professional installation is recommended if:
- Fuel system experience is limited
- Connector damage exists
- Previous repairs involved mystery wiring.
Why Replace the Fuel Pump?
Common reasons include:
- Hard starting
- Fuel pressure loss
- Hesitation
- Stalling
- Fuel gauge problems
- High-mileage preventative maintenance
Because fuel pumps almost never fail:
- at home
- during daylight
- or when your schedule is empty.
Final Verdict
For 2015–2019 Hyundai Sonata and 2016–2020 Kia Optima owners, the 31110-D5500 Electric Fuel Pump Module Assembly offers OE-style fitment, integrated fuel level functionality, and dependable fuel system performance.
Key Benefits
- Direct-fit replacement
- Includes fuel sending unit
- Restores factory fuel pressure
- OE-style construction
- Compatible with multiple engine options
- Ideal for daily-driver reliability
Most importantly, your Sonata or Optima can return to quietly and efficiently doing what it was designed to do: getting you to work without creating new problems.
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