2004 Kia Optima Fuel System Parts

    • Bosch®In-Tank Electric Fuel Pump
      $73.93$59.14
      (0)
      Kia Optima 2004, In-Tank Electric Fuel Pump by Bosch®. Bosch state-of-the-art turbine fuel pumps offer many advantages when compared to older roller-cell and inner-gear pump designs. Not only do these pumps offer near silent...
      Superior turbine pump designSmooth fuel flow
      # 36125093
    • Pilot®Electric Fuel Pump
      $51.58$41.26
      (0)
      Kia Optima 2004, Electric Fuel Pump by Pilot®. In-Tank. Original Equipment proved, patented in-house design technology, from a certified manufacture guarantee exacting fit, form & function with every unit. Superior components...
      Helps you to get the most out of your vehiclePrecision designed to perfectly fit your vehicle
      # 17991097
    • Pilot®Fuel Pump Strainer
      $12.49$9.99
      (0)
      Kia Optima 2004, Fuel Pump Strainer by Pilot®. Original Equipment proved, patented in-house design technology, from a certified manufacture guarantee exacting fit, form & function with every unit. Superior components manufactured...
      Helps you to get the most out of your vehiclePrecision designed to perfectly fit your vehicle
      # 17991098
    • Auto 7®Electric Fuel Pump
      $161.74$129.39
      (0)
      Kia Optima 2004, Electric Fuel Pump by Auto 7®. In Tank. Pump Only. Metal Plunge Bracket Type. In Tank. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      # 21466450
    • Auto 7®Fuel Pump Module Assembly
      $244.19from $195.35
      (0)
      Kia Optima 2004, Fuel Pump Module Assembly by Auto 7®. With Metal Bracket and Plastic Filter In Tank. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If you're...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      # 21497465
    • Spectra Premium®Electrical Fuel Pump
      $13.25from $10.60
      (0)
      Kia Optima 2004, Electrical Fuel Pumps by Spectra Premium®. Designed to replace your worn out or damaged fuel pump, this product guarantees OE fit, form, and function. The pump is endurance tested and validated by accredited, third...
      Distributes fuel to the fuel injection system under high pressureEngineered to stringent tolerances
      # 22844275
    • Spectra Premium®Fuel Pump Module Assembly
      $442.14from $353.71
      (0)
      Kia Optima 2.4L 2004, Fuel Pump Module Assembly by Spectra Premium®. A defective fuel pump can cause a no-start condition or poor engine performance. If replacement is required, your best choice is Spectra Premium. This assembly...
      Meets or exceeds OE specificationsExact fit for easy installation
      # 22844285
    • Beck Arnley®Electric Fuel Pump
      $79.55$63.64
      (0)
      Kia Optima 2004, Electric Fuel Pump by Beck Arnley®, OE Type, Contains Filter. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning...
      OE quality products from top original equipmentTop quality materials
      # 36225466
    • Precise®Electric Fuel Pump
      $42.00$33.60
      (0)
      Kia Optima 2004, Electric Fuel Pump by Precise®, Use 1 per Car. Turbine Type. 12 Volt. Flow: 40-55 GPH. Pressure: 70-120 Psi. Inlet Type: Strainer. Outlet Size: 5/16". Outlet Type: Hose Barb. This product is designed and...
      Distributes fuel to the fuel injection system under high pressureMeets or exceeds all OE standards and specifications
      # 23339489
    • Autobest®Fuel Pump
      $5.00from $4.00
      (0)
      Kia Optima 2004, Fuel Pump by Autobest®. Autobest fuel pumps are tested at many points during manufacturing to ensure superior quality and durability and optimal fuel pressure and volume. If your vehicle's fuel pump is faulty,...
      Includes everything needed for a complete installationAutobest uses only top quality materials to ensure product quality
      # 20550253
    • Denso®New Electric Fuel Pump
      $109.19$87.35
      (0)
      Kia Optima 2004, New Electric Fuel Pump by Denso®, 1 Piece. If your vehicle is hard to start, lacks power for overtaking, or stalls frequently, it might be time to check the fuel pump. And if it needs replacement, you can't do...
      Turbine Technology - Delivers fuel with minimal pressure pulsation for quieter operationArmature - Ultra-high balanced to minimize noise and vibration
      # 21070761
    • Motorcraft®Fuel Filter
      $8.18$6.54
      (0)
      Kia Optima 2004, Fuel Filter by Motorcraft®. Keep fuel clean with this premium product from Motorcraft. Manufactured from a 300-series stainless steel, this fuel filter traps and holds the smallest dirt particles, which can lead to...
      Direct OEM replacement for proper fitMeets strict Ford Motor Company standards
      # 23872566
    • Hastings®In-Line Fuel Filter
      $26.01$20.81
      (0)
      Kia Optima 2004, In-Line Fuel Filter by Hastings®. This filter is designed to protect fuel system components, such as injection pumps and injectors, from damaging contaminants, including water, bacteria, non-combustible materials,...
      Meets or exceeds all filtration requirements of the applicationExtends fuel system component life
      # 21460800
    • MANN-Filter®Spin-On Fuel Filter
      $18.03$14.42
      (0)
      Kia Optima 2004, Spin-On Fuel Filter by MANN-Filter®. This filter forms a harmonious combination of housing and filter element that provides superior protection to the engine from any dirt, dust, and other contaminants. It ensures...
      High cleaning efficiency for greater engine protectionEnsures high functional reliability of fuel injection components
      # 20561943
    • Airtex®Electric Fuel Pump
      $14.96from $11.97
      (0)
      Kia Optima 2004, Electric Fuel Pump by Airtex®, Use 1 per Car. This electric fuel pump is engineered by a recognized OEM supplier utilizing the latest advancements in fuel delivery technology. Advanced materials, improved brushes...
      Meets or exceeds OEM quality standardsFactory-like fit, function, and dependability
      # 22536864
    • Airtex®Fuel Pump Module Assembly
      $238.33$190.66
      (0)
      Kia Optima 2.4L 2004, Fuel Pump Module Assembly by Airtex®, Use 1 per Car. Turbine Type. 12 Volt. Flow: 50-55 GPH. Pressure: 65-70 Psi. Inlet Type: Strainer. Outlet Size: 1/4". Outlet Type: Female Line Connection. Includes: Fuel...
      Meets or exceeds OEM quality standardsModified return porting enhances performance and flow over OE design
      # 22604029
    • Beck Arnley®Fuel Pump Filter
      $28.38$22.70
      (0)
      Kia Optima 2004, Fuel Pump Filter by Beck Arnley®, Location: Tank. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import...
      OE quality products from top original equipmentTop quality materials
      # 35811952
    • Dorman®Fuel Tank
      $323.18$258.54
      (0)
      Kia Optima 2004, Fuel Tank by Dorman®, 1 per Pack. Your fuel tank is damaged or leaking? If so, this is the direct replacement that will fit perfectly. Featuring a strong steel construction, this replacement fuel tank is painted...
      Direct OEM replacement for proper fitRust-resistant construction
      # 34121770
    • Auto 7®Fuel Injector
      $49.00from $39.20
      (0)
      Kia Optima 2004, Fuel Injector by Auto 7®. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If you're experiencing these symptoms, Auto 7 has the quality parts...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      # 21497257
    • GB Remanufacturing®Remanufactured Multi Port Fuel Injector
      $33.01$26.41
      (0)
      Kia Optima 2004, Remanufactured Multi Port Fuel Injector by GB Remanufacturing®. OE-quality or better performance at a reduced cost is what you'll get with this remanufactured multi-port fuel injector. This injector is an exact OEM...
      Remanufactured OEM part, not similar or aftermarket substituteAffordable alternative to a new OEM injector
      # 22324444
    • Beck Arnley®Fuel Injector
      $54.70from $43.76
      (0)
      Kia Optima 2004, Fuel Injector by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the...
      OE quality products from top original equipmentTop quality materials
      # 36242459
    • Auto 7®Fuel Injection Pressure Regulator
      $45.93$36.74
      (0)
      Kia Optima 2004, Fuel Injection Pressure Regulator by Auto 7®. At Fuel Rail. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If you're experiencing these...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      # 21497249
    • Beck Arnley®Fuel Injection Pressure Regulator
      $29.64from $23.71
      (0)
      Kia Optima 2004, Fuel Injection Pressure Regulator by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import...
      OE quality products from top original equipmentTop quality materials
      # 36242423
    • Beck Arnley®Fuel Injection Idle Speed Stabilizer
      $92.30$73.84
      (0)
      Kia Optima 2004, Fuel Injection Idle Speed Stabilizer by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import...
      OE quality products from top original equipmentTop quality materials
      # 36224928
    • Auto 7®Manifold Absolute Pressure Sensor
      $53.90$43.12
      (0)
      Kia Optima 2004, Manifold Absolute Pressure Sensor by Auto 7®. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If you're experiencing these symptoms, Auto 7...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      # 21470309
    • Auto 7®Throttle Position Sensor
      $43.63from $34.90
      (0)
      Kia Optima 2004, Throttle Position Sensor by Auto 7®. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If you're experiencing these symptoms, Auto 7 has the...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      # 21497396
    • Beck Arnley®Fuel Injection Manifold Pressure Sensor
      $62.63$50.10
      (0)
      Kia Optima 2.4L 2004, Fuel Injection Manifold Pressure Sensor by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning...
      OE quality products from top original equipmentTop quality materials
      # 35811951
    • Beck Arnley®Throttle Position Sensor
      $42.80from $34.24
      (0)
      Kia Optima 2004, Throttle Position Sensor by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in...
      OE quality products from top original equipmentTop quality materials
      # 35840354
    • Beck Arnley®Fuel Injector O-Ring Kit
      $3.38$2.70
      (0)
      Kia Optima 2004, Fuel Injector O-Ring Kit by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in...
      OE quality products from top original equipmentTop quality materials
      # 36224824
    • Spectra Premium®Fuel Pump Strainer
      $13.25$10.60
      (0)
      Kia Optima 2004, Fuel Pump Strainer by Spectra Premium®. Left unprotected, dirt and debris could quickly destroy an electric fuel pump. The fuel pump strainer is the pump’s first line of defense, preventing dirt, debris, and...
      Designed to protect the fuel pump and prevent fuel system contaminationEngineered to stringent tolerances
      # 22800219
    • Delphi®Fuel Pump Strainer
      $13.78$11.02
      (0)
      Kia Optima 2004, Fuel Pump Strainer by Delphi®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste your...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 24558817
    • Airtex®Fuel Pump Wiring Harness
      $11.65$9.32
      (0)
      Kia Optima 2.7L 2004, Fuel Pump Wiring Harness by Airtex®, Use 1 per Car. 1 1/2" Diameter Pump. Replace your worn, corroded, or damaged electrical connections with this Fuel Pump Wiring Harness that will provide superior electrical...
      Delivers ultimate electrical performanceMeets or exceeds OE specifications
      # 22604277
    • Airtex®Fuel Pump Strainer
      $14.96$11.97
      (0)
      Kia Optima 2004, Fuel Pump Strainer by Airtex®, Use 1 per Car. Push Fit Type. This electric fuel pump is engineered by a recognized OEM supplier utilizing the latest advancements in fuel delivery technology. Advanced materials,...
      Meets or exceeds OEM quality standardsFactory-like fit, function, and dependability
      # 22649929
    • Replace®Fuel Tank Strap
      $61.51$49.21
      (0)
      Kia Optima 2004, Fuel Tank Strap by Replace®, 1 Pair. Included 2 Straps: St#1 = 35-1/2", St#2 = 40". Fuel tank straps retain the fuel tank to the vehicle. In their location underneath the vehicle, the fuel tank and straps are...
      # 9876822
    • Dorman®Fuel Tank Filler Neck
      $103.10$82.48
      (0)
      Kia Optima 2004, Fuel Tank Filler Neck by Dorman®, 1 per Pack. 1.12" Dia. 26.7" Length. Material: Steel. Filler Neck Cap not Included. This is an aftermarket part that replaces factory OE # 3103038150.
      # 16523199
    • Auto 7®Fuel Injection Idle Air Control Valve Gasket
      $1.38$1.10
      (0)
      Kia Optima 2004, Fuel Injection Idle Air Control Valve Gasket by Auto 7®. Auto 7 is a premier manufacturer of automotive replacement parts for Hyundai, Kia, and GM-Daewoo. All Auto 7 products went through manufacturing process that...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      # 21469162
    • Auto 7®Fuel Tank Breather FIlter
      $12.15$9.72
      (0)
      Kia Optima 2.4L 2004, Fuel Tank Breather FIlter by Auto 7®. At Top Of Filler Neck. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If you're experiencing these...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      # 21469697
    • Auto 7®Fuel Filler Door Lock Actuator
      $43.03from $34.42
      (0)
      Kia Optima 2004, Fuel Filler Door Lock Actuator by Auto 7®. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If you're experiencing these symptoms, Auto 7 has...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      # 21497245
    • Stant®Fuel Cap Tester Adapter
      $21.85$17.48
      (0)
      Kia Optima 2004, Fuel Cap Tester Adapter by Stant®. Threaded Adapter Connected to Tester. Test fuel tank caps quickly and accurately with Stant Fuel Cap Tester adapters. They’ve been developed to enable fuel caps to be tested for...
      Stant’s fuel cap tester adapters make it quick and easy to accurately test fuel caps for leaksFuel cap tester adapters have been developed to test fuel caps for compliance with current EPA regulations
      # 21860982
    • Stant®InStant Fill™ Fuel Cap
      $20.68$16.54
      (0)
      Kia Optima 2004, InStant Fill™ Fuel Cap by Stant®. 2-15/16" Pressure Vacuum (1-9/16" x 2-1/32" Threaded). A defective fuel cap can cause your vehicle to fail an emissions test, and allow up to 22 gallons of gasoline to evaporate...
      OE Pressure relief prevents fuel vapors from exiting the fuel system under normal operating conditionsOE Vacuum relief prevents fuel vapors from exiting the fuel system via the fill tube under normal operations
      # 21862164
    • Stant®Regular Locking Fuel Cap
      $19.66$15.73
      (0)
      Kia Optima 2004, Regular Locking Fuel Cap by Stant®. Packaged in a Box. These locking caps are specially designed to protect your vehicle from vandalism and fuel theft. They’re made from sturdy, long-life materials and they’re...
      Keyed alike versions are available for small fleets or consumers with more than one vehicleOE Pressure relief prevents fuel vapors from exiting the fuel system under normal operating conditions
      # 21864968
    • Stant®OE Equivalent Fuel Cap
      $8.68$6.94
      (0)
      Kia Optima 2004, OE Equivalent Fuel Cap by Stant®. Packaged in a Box. A defective fuel cap can cause your vehicle to fail an emissions test, and allow up to 22 gallons of gasoline to evaporate in one year, wasting your money and...
      OE Pressure relief prevents fuel vapors from exiting the fuel system under normal operating conditionsOE Vacuum relief prevents fuel vapors from exiting the fuel system via the fill tube under normal operations
      # 21943879
    • Spectra Premium®Fuel Tank Strap Kit
      $80.63$64.50
      (0)
      Kia Optima 2004, Fuel Tank Strap Kit by Spectra Premium®. Designed to replace worn, rusted, or missing straps, this fuel tank strap kit will help to keep your fuel tank in place ensuring its secure installation. Purchasing this...
      Designed to keep your fuel tank in placeSame quality as OE for less money
      # 22802161
    • Auto 7®Fuel Injector Seal
      $4.18$3.34
      (0)
      Kia Optima 2004, Fuel Injector Seal by Auto 7®. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If you're experiencing these symptoms, Auto 7 has the quality...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      # 21469558
    • Fel-Pro®Upper Fuel Injection Plenum Gasket Set
      $11.25$9.00
      (0)
      Kia Optima 2.7L 2004, Upper Fuel Injection Plenum Gasket Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      # 19074908
    • Fel-Pro®Fuel Injector O-Ring Kit
      $5.35$4.28
      (0)
      Kia Optima 2004, Fuel Injector O-Ring Kit by Fel-Pro®, Improved Design. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      # 19081557
    • Victor Reinz®Fuel Injection Idle Air Control Valve Gasket
      $2.25$1.80
      (0)
      Kia Optima 2004, Fuel Injection Idle Air Control Valve Gasket by Victor Reinz®, Use 1 per Car. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store. But...
      # 24043412
    • Victor Reinz®Fuel Injection Plenum Gasket
      $9.90$7.92
      (0)
      Kia Optima 2.7L 2004, Fuel Injection Plenum Gasket by Victor Reinz®, Use 1 per Car. OEM Standard. Material: Rubber Coated Beaded Steel. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to...
      # 24043985
    • Victor Reinz®Fuel Injection Throttle Body Mounting Gasket
      $1.33from $1.06
      (0)
      Kia Optima 2004, Fuel Injection Throttle Body Mounting Gasket by Victor Reinz®, Use 1 per Car. OEM Standard. Material: Paper. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local...
      # 24160242
    • AJUSA®Fuel Injection Plenum Gasket
      $11.63$9.30
      (0)
      Kia Optima 2.7L 2004, Fuel Injection Plenum Gasket by AJUSA®. If you need durable gaskets to prevent leaks on your vehicle, Ajusa is the way to go. Engineered using the latest technologies and global engineering resources, the...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      # 23006067
    • Auto 7®Fuel Injection Throttle Body Mounting Gasket
      $2.45from $1.96
      (0)
      Kia Optima 2004, Fuel Injection Throttle Body Mounting Gasket by Auto 7®. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If you're experiencing these...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      # 21497254
    • Fel-Pro®Fuel Injection Throttle Body Mounting Gasket
      $1.45from $1.16
      (0)
      Kia Optima 2004, Fuel Injection Throttle Body Mounting Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      # 18945886
    • Auto 7®Fuel Injection Plenum Gasket
      $21.49$17.19
      (0)
      Kia Optima 2.7L 2004, Fuel Injection Plenum Gasket by Auto 7®. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If you're experiencing these symptoms, Auto 7...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      # 21469213
    • Auto 7®Accelerator Cable
      $29.01from $23.21
      (0)
      Kia Optima 2004, Accelerator Cable by Auto 7®. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If you're experiencing these symptoms, Auto 7 has the quality...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      # 21496955
    • GB Remanufacturing®Fuel Injector Seal Kit
      $3.75$3.00
      (0)
      Kia Optima 2004, Fuel Injector Seal Kit by GB Remanufacturing®. GB Remanufacturing is your one-stop shop for injector seal kits containing quality components that will help you do a repair job quickly and effectively. Its expanded...
      Reliable and long-lasting sealing solutionMeets or exceeds OE quality
      # 22317536
    • Forecast®Idle Control Valve
      $82.20$65.76
      (0)
      Kia Optima 2004, Idle Control Valve by Forecast®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste...
      # 7687291
    • Python®Remanufactured Fuel Injector
      $75.51$60.41
      (0)
      Kia Optima 2.7L 2004, Remanufactured Fuel Injector by Python®. Includes O-Ring. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need...
      # 7771961
    • FAE®Air Temp. Sensor
      $34.45$27.56
      (0)
      Kia Optima 2.7L 2004, Air Temp. Sensor by FAE®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste your...
      # 7809688
    • Donga Mfg. Corp.®Throttle Body Gasket
      $2.10from $1.68
      (0)
      Kia Optima 2004, Throttle Body Gasket by DongA Mfg. Corp.®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before...
      # 7855068
    • Genuine®Idle Control Valve
      $161.06$128.85
      (0)
      Kia Optima 2004, Idle Control Valve by Genuine®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste...
      # 8774925



    Guides & Articles
    A Fuel tank sending unit is a term for the mechanical assembly inside your fuel tank which measures the level of liquid in the tank, then reports its findings to the fuel gauge on your instrument cluster. All sending units contain a "float" piece which does just what it describes - floats atop the surface of the fuel. Many automakers design the float piece as an...
    Fuel injectors spray fuel directly into your engine’s cylinders during the intake stroke when a piston moves down to allow air and fuel to fill the cylinder chamber. When injectors are malfunctioning, leaking, or have failed completely, they will cause rough engine performance, poor idle, reduced power and economy, and exhaust that’s rich enough in unburned...
    The throttle controller will basically bypass the computer in the vehicle. It is designed to take the information right from the accelerator position sensor and compile it in a high speed controller circuit that compiles the signal sent from the Accelerator position sensors. With this controller you are able to program it to different options and the throttle...
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    2004 Kia Optima Models
    • 2004 Kia Optima EX Replacement Fuel System Parts
    • 2004 Kia Optima LX Replacement Fuel System Parts