Fuel Filter (In-Tank Assembly) > HYUNDAI ELANTRA III (XD Chassis) / HYUNDAI TIBURON (GK) 1.6L / 1.8L / 2.0L GASOLINE ENGINE > 31911-2D000 | GENUINE PART (Hyundai/Kia MOBIS Original Equipment)
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Genuine OEM Component (Hyundai-Kia MOBIS Original Equipment).
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Part Number: 31911-2D000 (Official Hyundai/Kia OE Number).
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Component Name: Fuel Filter Assembly / Element (Often the complete filtration unit within the fuel pump).
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Primary Applications (Engine Specific): This filter is specifically designed for the third-generation compact sedan and its related coupe:
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Hyundai Elantra III (XD Chassis / Avante XD): Fits 1.6L, 1.8L, and 2.0L Gasoline models (approx. 2000–2006). Confirms your Hyundai Elantra XD 2004.
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Hyundai Tiburon / Coupe (GK Chassis): Fits 2.0L L4 and 2.7L V6 Gasoline models (approx. 2003–2008).
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Filter Type: This is an in-tank filter, meaning it is integrated into the fuel pump module located inside the fuel tank.
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Key Function: Ensures the fuel delivered to the injectors is clean and helps maintain the stable fuel pressure required by the Multi-Port Injection (MPI) system.
This is a Genuine OEM Fuel Filter Assembly, identified by the Hyundai/Kia MOBIS part number 31911-2D000. The search results consistently confirm this is the correct factory-original filtration unit for the fuel pump module used in the third-generation Hyundai Elantra (XD chassis), which covers your 2004 model year. It is also used in the related Hyundai Tiburon/Coupe (GK) model.
The role of this in-tank fuel filter is vital for the performance and longevity of the engine:
MPI System Protection: Although the Elantra XD uses a reliable MPI system, the injectors operate with precision. The filter's main purpose is to meticulously clean the fuel, preventing microscopic contaminants (like rust or dirt) from clogging the injectors or damaging the electric fuel pump motor.
Pressure Regulation: In the XD's design, the filter assembly is an integral part of the fuel pump module, often housing components like the fuel pressure regulator. Using the Genuine MOBIS Part is critical to ensure proper sealing, the correct filtration micron rating, and accurate pressure regulation for stable engine performance.
Correct Replacement Type: For the 2004 Elantra XD, the fuel filter is located in the fuel tank, not externally in the engine bay, as confirmed by OE part documentation.
Fitment Assurance: The part number 31911-2D000 is verified as the correct genuine in-tank fuel filter for the Hyundai Elantra XD 2004 and other associated models of that era.
Compatible Vehicle (Primary Applications - Check VIN for final confirmation):
Hyundai Elantra III (XD / Avante XD) 1.6L / 1.8L / 2.0L Gasoline (2000–2006)
Hyundai Tiburon / Coupe (GK) 2.0L / 2.7L Gasoline (2003–2008)
Part Number:
✔ 31911-2D000 (Fuel Filter Assembly - Genuine Hyundai/Kia MOBIS OE)
Part Type:
✔ Fuel Filter (In-Tank Assembly / Element) (Genuine Part, Elantra XD/Tiburon GK Specific)
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