2004 Kia Optima Ignition Parts

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    • (0 reviews)
      $3.04from $2.43 - $13.17
      Kia Optima 2004, Spark Plug by Denso®, 1 Piece. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time...
      OE quality parts from top original equipment and aftermarket manufacturerFast shipping; 1-2 day delivery time regardless of where you’re located
      # 21048425
    • (0 reviews)
      $7.68$6.14
      Kia Optima 2.7L 2004, Finewire Platinum Spark Plug by Motorcraft®, 1 Piece. Gap: .044. If you need to replace your worn-out spark plugs, Motorcraft is the way to go. Engineered specifically for your vehicle, their high melting...
      Direct OEM replacementRecommended by Ford Motor Company
      # 24439658
    • (0 reviews)
      $3.48from $2.78 - $14.09
      Kia Optima 2004, Spark Plug by NGK®, 1 Piece. With a solid copper core, triple-gasket sealing, corrosion resistant plating, cold-rolled threads, and corrugated ribs, these products provide a powerful spark for reliable performance,...
      Designed for consistent performanceMeet OE quality, fit, and function
      # 22257735
    • (0 reviews)
      $2.10from $1.68 - $5.62
      Kia Optima 2004, Spark Plug by Champion®, Gap: 0.044. Designed and manufactured to meet or exceed OE standards and specifications, these spark plugs by Champion ensure fast engine start-up and smooth acceleration. The products are...
      Designed to provide dependable and long-lasting performanceManufactured using the latest processes and equipment
      # 22263158
    • (0 reviews)
      $3.98from $3.18 - $7.68
      Kia Optima 2004, Spark Plug by Autolite®, 1 Piece, Gap: 0.044. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth acceleration. The products are made of...
      Designed for good conductivity and a strong spark for efficient combustionImprove engine power and fuel economy
      # 22433870
    • (0 reviews)
      $31.99from $25.59 - $55.27
      Kia Optima 2004, Spark Plug Wire Set by Auto 7®. Is your engine difficult to start? Do you experience misfires? Is your vehicle's acceleration and fuel consumption compromised? Auto 7 has the quality parts to repair your Hyundai,...
      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
      # 21497308
    • (0 reviews)
      $45.63$36.50
      Kia Optima 2.4L 2004, Intermotor™ Spark Plug Wire Set by Standard®. Ignition Wire and Boot Kit. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products,...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 45091042
    • (0 reviews)
      $42.83$34.26
      Kia Optima 2.4L 2004, Spark Plug Wire Set by Standard®. Ignition Wire and Boot Kit. OE Performance Plus. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 45091043
    • (0 reviews)
      $25.71from $20.57 - $37.82
      Kia Optima 2004, Spark Plug Wire Set by Beck Arnley®, 0.273" Diameter. Wire Color Black. Conductor Type: Mag Core 500 Ohm/Ft. Jacket Material: Silicone. For one hundred years, Beck/Arnley has been providing premium OE quality parts...
      OE quality products from top original equipmentTop quality materials
      # 36242462
    • (0 reviews)
      $76.55$61.24
      Kia Optima 2.4L 2004, Ignition Coil by Delphi®. Help ensure fast starts, consistent engine performance and optimized fuel efficiency with Delphi ignition coils. Delphi makes more than 10 million ignition coils for North America...
      Designed and endurance tested to resist the common stresses that cause failureEfficient coil design that ensures the power in the coil has a streamlined path to the spark plug
      # 24557934
    • (0 reviews)
      $105.14$84.11
      Kia Optima 2.4L 2004, Direct Ignition Coil by Auto 7®. Is your engine difficult to start? Do you experience misfires? Is your vehicle's acceleration and fuel consumption compromised? Auto 7 has the quality parts to repair your...
      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
      # 21466231
    • (0 reviews)
      $110.81$88.65
      Kia Optima 2.7L 2004, Ignition Coil by Auto 7®. Is your engine difficult to start? Do you experience misfires? Is your vehicle's acceleration and fuel consumption compromised? Auto 7 has the quality parts to repair your Hyundai,...
      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
      # 21470135
    • (0 reviews)
      $41.61from $33.29 - $45.18
      Kia Optima 2004, Spark Plug Wire Set by Bosch®. Switch from your OE spark plug wire set to the high-quality Mag core wire set from Bosch. Stainless steel Mag winding delivers maximum voltage to the spark plug for a hotter, more...
      Opti-layer Mag technology for superior lifetime performanceReduces the chance for misfire and eliminates radio static
      # 23966146
    • (0 reviews)
      $27.10from $21.68 - $41.90
      Kia Optima 2004, Primary Ignition Wire by Denso®. The 7 and 8mm ignition wires are SAE J2031 Class E rated, the highest quality wire used in the industry. These wires can withstand temperatures from -40° to 428° F and pass tests...
      Carbon impregnated fiberglass core for superior support conductivityFiberglass braid for maximum strength
      # 21048435
    • (0 reviews)
      $78.73from $62.98 - $64.51
      Kia Optima 2004, Intermotor™ Ignition Coil by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 45214542
    • (0 reviews)
      $32.55$26.04
      Kia Optima 2.4L 2004, Tru-Tech™ Ignition Coil by Standard®, Use 2 per Car. Type Connection: Direct Ignition, Female, Male. 12 Volt. Terminal Type: Blade. Is your vehicle hard to start? Does it miss under load and idle rough? Is...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 23791248
    • (0 reviews)
      $24.10$19.28
      Kia Optima 2.4L 2004, Coil Boot by Beck Arnley®. Multi Coil System. 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
      # 36224818
    • (0 reviews)
      $89.99$71.99
      Kia Optima 2.4L 2004, Direct Ignition Coil 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...
      OE quality products from top original equipmentTop quality materials
      # 36224819
    • (0 reviews)
      $59.65$47.72
      Kia Optima 2.4L 2004, Spark Plug Wire and Coil Boot Set 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...
      OE quality products from top original equipmentTop quality materials
      # 36224827
    • (0 reviews)
      $111.88$89.50
      Kia Optima 2.7L 2004, Ignition Coil by Beck Arnley®, with Coil Pack. With Ignition Coil Pack. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and...
      OE quality products from top original equipmentTop quality materials
      # 36225551
    • (0 reviews)
      $14.30$11.44
      Kia Optima 2.4L 2004, Ignition Capacitor by Auto 7®. Condenser. Is your engine difficult to start? Do you experience misfires? Is your vehicle's acceleration and fuel consumption compromised? Auto 7 has the quality parts to repair...
      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
      # 21470058
    • (0 reviews)
      $67.96$54.37
      Kia Optima 2.4L 2004, Ignition Control Module by Auto 7®. Igniter. Is your engine difficult to start? Do you experience misfires? Is your vehicle's acceleration and fuel consumption compromised? Auto 7 has the quality parts to...
      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
      # 21470147
    • (0 reviews)
      $38.76from $31.01 - $42.16
      Kia Optima 2004, Ignition Knock Sensor by Auto 7®. Is your engine difficult to start? Do you experience misfires? Is your vehicle's acceleration and fuel consumption compromised? Auto 7 has the quality parts to repair your Hyundai,...
      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
      # 21497265
    • (0 reviews)
      $66.48$53.18
      Kia Optima 2.4L 2004, Intermotor™ Ignition Misfire Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 45091032
    • (0 reviews)
      $42.99from $34.39 - $46.74
      Kia Optima 2004, Intermotor™ Ignition Knock (Detonation) Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 45214490
    • (0 reviews)
      $32.15from $25.72 - $25.83
      Kia Optima 2004, Intermotor™ Ignition Relay by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 45214545
    • (0 reviews)
      $19.64$15.71
      Kia Optima 2004, Ignition Starter Switch 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
      # 36224825
    • (0 reviews)
      $276.05$220.84
      Kia Optima Automatic Transmission 2004, Ignition Lock Assembly by Beck Arnley®, with Key. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and...
      OE quality products from top original equipmentTop quality materials
      # 36226259
    • (0 reviews)
      $8.28from $6.62 - $9.25
      Kia Optima 2004, Spark Plug Tube Seal by Auto 7®. Is your engine difficult to start? Do you experience misfires? Is your vehicle's acceleration and fuel consumption compromised? Auto 7 has the quality parts to repair your Hyundai,...
      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
      # 21496934
    • (0 reviews)
      $16.74$13.39
      Kia Optima 2.4L 2004, Intermotor™ Direct Ignition Coil Boot by Standard®. Single Pack. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 45091041
    • (0 reviews)
      $16.74$13.39
      Kia Optima 2.4L 2004, Direct Ignition Coil Boot by Standard®. Multi-Pack. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 45091052
    • (0 reviews)
      $22.68$18.14
      Kia Optima 2.7L 2004, Ignition Crank Trigger Wheel by Auto 7®. At Rear of Engine. Is your engine difficult to start? Do you experience misfires? Is your vehicle's acceleration and fuel consumption compromised? 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
      # 41083065
    • (0 reviews)
      $115.28$92.22
      Kia Optima 2.7L 2004, Central Ignition Coil by Beru®. 3-Coil Assembly. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but...
      # 7836416
    • (0 reviews)
      $51.14$40.91
      Kia Optima 100.0mm 2004, Ignition Wire Set by Prestolite®. Spark Plug/Coil No. 1. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need...
      # 7868979
    • (0 reviews)
      $120.60$96.48
      Kia Optima 2.7L 2004, Central Ignition Coil by Karlyn®. 3-Coil Assembly. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but...
      # 7900875
    • (0 reviews)
      $89.40$71.52
      Kia Optima 100.0mm 2004, Direct Ignition Coil by Prenco®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste...
      # 7933496
    • (0 reviews)
      $66.54$53.23
      Kia Optima 100.0mm 2004, Ign. Wire/Coil Boot Set by Prenco®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you...
      # 7934074
    • (0 reviews)
      $140.11$112.09
      Kia Optima 2.4L 2004, Ignition Failure Sensor by Genuine®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you...
      # 8775572
    • (0 reviews)
      $66.23$52.98
      Kia Optima 2.7L 2004, Ignition Coil by Karlyn STI®. OEM# 27301-37100. STI. 1 Required per Vehicle. Coil Pack replaces the distributor. It features electronically controlled pack of ignition coils controled by the car's computer and...
      Increases the amount of horsepowersBetters combustion
      # 13582963
    • (0 reviews)
      $47.98$38.38
      Kia Optima 2.4L 2004, Direct Ignition Coil by Karlyn STI®. STI. 2 Required per Vehicle. The ignition coil is one of the most important part in the ignition system. Ignition Coil aimed to provide the needed high voltage and ignition...
      Place directly on the spark plugHigh temperature resistant
      # 13584531
    • (0 reviews)
      $24.90from $19.92 - $47.62
      Kia Optima 2004, Spark Plug Wire Set by Karlyn STI®. STI. The purpose of good wire insulation is to protect the cable from voltage leaks. The single most important factor for rating insulation performance is the type of material...
      Spiral CoreStainless Steel Magnetic Conductive Winding
      # 13587252
    • (0 reviews)
      $5.51from $4.41 - $8.56
      Kia Optima V6 2004, OE Fine Wire Spark Plug by Bosch®. Bosch introduces the new OE Fine Wire Spark Plug family, which consists of Iridium, Double Platinum and Platinum plugs. Built around OE technology, these new lines have an...
      OE specific design360-degree continuous laser welded platinum tip for durability and long life
      # 24010211
    • (0 reviews)
      $8.24$6.59
      Kia Optima V6 2004, Platinum+2 Spark Plug by Bosch®. Set of 4. Gap: Preset. Aluminum. Replace your worn spark plugs with Platinum+2 which combines the advantages of platinum, multiple electrodes, and surface air gap technology to...
      Revolutionary firing technology delivers a longer, more powerful spark for optimum engine performanceTwo yttrium-enhanced ground electrodes
      # 24010218
    • (0 reviews)
      $3.18from $2.54 - $2.73
      Kia Optima 2004, Super Plus Spark Plug by Bosch®. Bosch Super Plus delivers outstanding durability and reliability you want for your vehicle. Its tapered, v-profile ground electrode makes for better starting in cold weather and...
      Heavy-duty yttrium-enhanced copper core center electrode for a 50% longer performance life vs. even OE plugsTapered, v-profile nickel chromium ground electrode for improved starting in cold weather and increased fuel ignitability
      # 24010220
    • (0 reviews)
      $7.44from $5.95 - $7.14
      Kia Optima 2004, 0.750" Spark Plug by E3®. With Gasket Seat. Thread Size: 14 mm. For a more efficient and complete burn, go with the super sturdy plugs by E3. The advanced DiamondFire plug features a diamond-shaped electrode that...
      Advanced DiamondFire electrode designProduces a faster burn
      # 12201052
    • (0 reviews)
      $18.69from $14.95 - $89.70
      Kia Optima 2004, PlasmaCore Series Inconel Electrode Pulse Plug by Pulstar®. PlasmaCore Series Inconel Electrode Pulse Plug provides great fuel efficiency as well as better performance. Moreover this part will give you better...
      # 21713200
    Guides & Articles
    Since their inception at the start of the 20th century, motor vehicles with gasoline burning engines have needed a precise way to deliver an electrical spark to each of the engine's cylinders. (Note that diesel engines do not rely on an electrical spark to ignite the fuel-air mixture.) For much of the past 100 years, the spark has been delivered by the ignition...
    The question of whether to buy parts from an automotive dealer vs. ones from aftermarket manufacturers is as age-old as the automobile itself. Below, we'll take a look at things worth considering to help you make a better choice if you're facing that same question. Automobile manufacturers and dealerships always advertise the fact that their parts are "genuine"...
    This article will guide you through a generic tune up on most any car or light duty gasoline-powered vehicle built within the last 20 years or so. We will presume that you are tuning up your engine because it has reached the mileage or time point to do so, and that you are NOT performing a tune up to cure an engine performance defect. We make this distinction...