How to replace the fuel filter on Kia Optima?

This procedure applies only to 2001 through 2006 four-cylinder models and 2001 V6 models, which use an external fuel filter; on all other models, the fuel filter is an integral component of the fuel pump assembly. First, relieve the fuel system pressure and disconnect the cable from the negative terminal of the battery. Place rags or a drain pan under the fuel filter. Raise the rear of the vehicle and support it securely on jackstands, noting that the fuel filter is mounted near the left front corner of the fuel tank. Loosen the fitting nuts on the fuel lines while holding the fuel filter fittings with a wrench. Remove the bolt securing the filter mounting strap, then take out the filter. Installation is the reverse of removal, using new sealing washers and tightening the fitting nuts to the specified torque. Finally, reconnect the battery, turn the ignition key to the On position, and check for leaks.

Genuine Kia Optima Fuel Filter

Gas Filter

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13 Fuel Filters found

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Kia Optima Fuel Pump Filter
Part Number: 311123R000
$27.17 MSRP: $38.87
You Save: $11.70 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Filter-Fuel Pump; Filter, Fuel Filter
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2013 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Long Life Fuel Filter
Part Number: 319112G000
$27.17 MSRP: $38.87
You Save: $11.70 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Filter-Long Life Fuel; Fuel Filter
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2006-2010 Kia Optima | High Grade, Middle Grade | 2.4L, 2.4L - Theta 2, 2.4L - Theta FF, 2.7L, 2.7L - MU | 4 Door Sedan, Sedan - 4Door 5P
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Kia Optima Fuel Pump Filter
Part Number: 311123Q550
$33.67 MSRP: $48.59
You Save: $14.92 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Filter-Fuel Pump; Filter, Fuel Filter
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2015 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Fuel Pump Filter
Part Number: 311122T000
$33.67 MSRP: $48.59
You Save: $14.92 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Filter-Fuel Pump; Fuel Filter
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2015 Kia Optima | 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Filter Pump
Part Number: 3109009000
$12.92 MSRP: $17.50
You Save: $4.58 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Filter-Pump
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan
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Kia Optima Fuel Pump Filter
Part Number: 31112C2500
$36.91 MSRP: $53.27
You Save: $16.36 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Filter-Fuel Pump; Fuel Filter
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2016-2020 Kia Optima | 1.6L - GAMMA, 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Fuel Pump Filter
Part Number: 311121R100
$33.67 MSRP: $48.59
You Save: $14.92 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Filter-Fuel Pump; Filter, Fuel Filter
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2013 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
View related parts
Kia Optima Fuel Pump Filter
Part Number: 311122T100
$33.67 MSRP: $48.59
You Save: $14.92 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Filter-Fuel Pump; Fuel Filter
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2013 Kia Optima | 2.0L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Fuel Filter Assembly
Part Number: 3191109100
$28.68 MSRP: $38.87
You Save: $10.19 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Filter Assembly-Fuel
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan
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Kia Optima Fuel Filter Assembly
Part Number: 3191138204
$27.17 MSRP: $38.87
You Save: $11.70 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Filter Assembly-Fuel; Filter, Fuel Filter
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan
View related parts
Kia Optima Fuel Pump Filter
Part Number: 311122T600
$33.67 MSRP: $48.59
You Save: $14.92 (31%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Filter-Fuel Pump; Fuel Filter
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2013 Kia Optima | 2.0L - Theta 2 | Sedan - 4Door 5P
View related parts
Kia Optima Suction Filter
Part Number: 310903R000
$15.15 MSRP: $20.53
You Save: $5.38 (27%)
Product Specifications
- Other Name: Filter-Suction
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2011-2015 Kia Optima | 2.0L - Theta 2, 2.4L - Theta 2 | Sedan - 4Door 5P
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Kia Optima Gas Fuel Filter Assembly
Part Number: 3191134000
Product Specifications
- Other Name: Filter Assembly-Fuel
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
Fits the following Vehicles:
- 2000-2005 Kia Optima | High Grade, Middle Grade | 2.4L, 2.5L, 2.7L | 4 Door Sedan

Kia Optima Fuel Filter

The Kia Optima Fuel Filter protects the engine by removing dirt, rust, and even stray water before they can grind down pumps or clog injectors. By forcing every drop of fuel through fine pleated media, the filter will trap abrasive particles, maintain steady flow, and allow the pump and injectors to operate at their designed pressure to provide smooth acceleration. Earlier models of the Kia Optima applied an in-tank strainer combined with an external in-line Fuel Filter under the car connected by threaded or quick disconnect fittings that allow for easy replacement at regular intervals. As the development of the platform went on, many versions of the Kia Optima moved to a high-capacity Fuel Filter integrated in the electric pump assembly within the tank, with the strainer being the only serviceable barrier until pump change. Diesel trims, in which they are offered, include an additional bowl-style Fuel Filter to separate water to allow it to drain before corrosion begins. No matter what layout your Kia Optima has, replacing the Fuel Filter at the recommended interval will avoid hard starts, rough idle, and sluggish response, maintaining horsepower and fuel economy.

If you're in search of top-notch, reasonably priced OEM Kia Optima Fuel Filter, then you've found the perfect spot. Our website boasts an extensive inventory of Kia Optima Fuel Filter, all priced at the market's premier price. Rest assured, every genuine part we offer comes with a warranty straight from the manufacturer.

Kia Optima Fuel Filter Parts Questions & Experts Answers

Long Life Fuel Filter
319112G000
Q: How to replace the fuel filter on Kia Optima?
A:
This procedure applies only to 2001 through 2006 four-cylinder models and 2001 V6 models, which use an external fuel filter; on all other models, the fuel filter is an integral component of the fuel pump assembly. First, relieve the fuel system pressure and disconnect the cable from the negative terminal of the battery. Place rags or a drain pan under the fuel filter. Raise the rear of the vehicle and support it securely on jackstands, noting that the fuel filter is mounted near the left front corner of the fuel tank. Loosen the fitting nuts on the fuel lines while holding the fuel filter fittings with a wrench. Remove the bolt securing the filter mounting strap, then take out the filter. Installation is the reverse of removal, using new sealing washers and tightening the fitting nuts to the specified torque. Finally, reconnect the battery, turn the ignition key to the On position, and check for leaks.