2003 Kia Optima Ignition Parts

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    • (0 reviews)
      # 52397814
      Kia Optima 2003, Ignition Coil by Delphi®. Delphi OE technology ignition products are validated to match the vehicles system. OE quality replacement parts for the right fit, form and function. Delphi coils provide OE performance,...
      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
      $52.90 - $53.69
    • (0 reviews)
      # mpn4253249705
      Kia Optima with Coil Package 2.7L 2003, 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...
      OE quality products from top original equipmentTop quality materials
      $83.66
    • (0 reviews)
      # mpn4252305341
      Kia Optima with Coil On Plug 2.4L 2003, Tru-Tech™ Ignition Coil by Standard®. 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...
      High efficiency laminations optimize magnetic field build-up to produce high spark energy and reliable performance.Standard® T-Series DIS ignition coil terminals are steel or aluminum, as indicated by OE.
      $22.73
    • (0 reviews)
      # mpn4253217418
      Kia Optima 2.4L 2003, 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
      $64.63
    • (0 reviews)
      # 45214477
      Kia Optima 2003, 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 manufacturersThe finest quality at a great price
      $51.87 - $69.51
    • (0 reviews)
      # mpn915029456
      Kia Optima 2.4L 2003, Professional™ Conventional Nickel Spark Plug by ACDelco®. With coverage for most older vehicles on the road today and robust long-life design, ACDelco Professional Conventional Spark Plugs are an economical...
      Has a copper-core center electrode that helps provide improved heat transfer to the tip, giving you the reliability you’re looking for while improving its resistance to low-speed carbon foulingPrecisely engineered and manufactured to provide everyday reliability and efficient performance
      $1.58
    • (0 reviews)
      # 337988629
      Kia Optima 2003, Double Platinum Spark Plug by Denso®. OE Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap. The Platinum TT™ concept originated from Denso's latest original...
      1.1mm platinum center electrodeTitanium-enhanced alloy ground electrode
      $5.21 - $5.36
    • (0 reviews)
      # mpn4075467410
      Kia Optima 2.7L 2003, Iridium Long-Life Spark Plug by Denso®. Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap. Denso's patented Iridium alloy is more durable than even Platinum, allowing the...
      Fine-wire iridium center electrodePlatinum ground electrode
      $8.71
    • (0 reviews)
      # 337988637
      Kia Optima 2003, Spark Plug by Denso®. Iridium Ultimate Endurance and Power - Performance Upgrade with World's Smallest Center Electrode (0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology) & Tapered Tip Patented U-Groove Design...
      0.4mm iridium center electrodeTapered cut, U-Groove ground electrode
      $5.50 - $5.68
    • (0 reviews)
      # 337988641
      Kia Optima 2003, Spark Plug by Denso®. Ultimate Endurance and Power. 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used...
      Designed to replace your factory spark plugsManufactured to stringent quality standards
      $6.17
    • (0 reviews)
      # 337988650
      Kia Optima 2003, Original U-Groove Nickel Spark Plug by Denso®. OE Recommended Resistor Plug with Patented U-Groove Design. Denso's patented U-Groove spark plug enables complete combustion by allowing the spark to fill the gap...
      100 percent pre-fired to ensure reliable operationCopper core center electrode for superior thermal conductivity
      $1.49 - $1.60
    • (0 reviews)
      # 337988657
      Kia Optima 2003, Platinum Spark Plug by Denso®. Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap. The Platinum TT™ concept originated from Denso's latest original...
      1.1mm platinum center electrodeTitanium-enhanced alloy ground electrode
      $2.38 - $2.65
    • (0 reviews)
      # 407402641
      Kia Optima with Gasket Seat 2003, Platinum Spark Plug by NGK®. 5kOhm. These spark plugs by NGK are designed to improve fuel efficiency, lower emissions, and provide quicker starts while remaining durable under high heat. With their...
      Designed for faster starts and quicker accelerationBetter fuel economy and lower emissions compared to a traditional plug
      $2.44 - $2.65
    • (1 review)
      # 407402647
      Kia Optima with Gasket Seat 2003, Spark Plug by NGK®. 5kOhm. Designed for performance enthusiasts who want extreme ignitability, improved throttle response and superior anti-fouling, these spark plugs are a great option for...
      Designed for outstanding acceleration, high fuel efficiency, and durabilityEnsure a consistently stable spark
      $5.90 - $6.44
    • (0 reviews)
      # mpn1730068
      Kia Optima with Gasket Seat 2.7L 2003, Laser Iridium™ Spark Plug by NGK®. 5kOhm. Manufactured with both laser welded Iridium center electrode tip and a platinum disc welded to the backside of the ground electrode, these spark...
      Designed for faster starts and quicker accelerationBetter fuel economy and lower emissions
      $8.81
    • (0 reviews)
      # 100112560
      Kia Optima with Gasket Seat 2003, Platinum Spark Plug by NGK®. 5kOhm. Manufactured with a platinum disc welded to the backside of the ground electrode and laser welded platinum center electrode tip, these spark plugs ensure minimal...
      Provide faster starts and quicker acceleration than a traditional plugEnsure better fuel economy and lower emissions compared to an original plug
      $8.81 - $9.62
    • (0 reviews)
      # 100112554
      Kia Optima with Gasket Seat 2003, Standard Nickel Spark Plug by NGK®. 5kOhm. These products by NGK are the plugs of choice in millions of vehicles designed to provide consistent performance while ensuring OE quality, fit, and...
      Designed for consistent performanceMeet OE quality, fit, and function
      $1.56 - $1.69
    • (0 reviews)
      # 100112555
      Kia Optima with Gasket Seat 2003, Nickel Spark Plug by NGK®. 5kOhm. These spark plugs offer higher performance compared to standard plugs. They feature a V-groove center electrode and concave ground electrode that lowers ignition...
      Lower ignition system voltage requirementsGreater ignitability and performance over conventional spark plugs
      $1.56 - $1.69
    • (0 reviews)
      # mpn1404091
      Kia Optima 2003, Finewire Platinum Spark Plug by Motorcraft®. 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...
      Direct OEM replacementRecommended by Ford Motor Company
      $3.84
    • (0 reviews)
      # 524101350
      Kia Optima 2003, Champion Copper Plus Spark Plug by Champion®. Thanks to the superior conductivity and performance from their copper core and the superior durability provided by nickel alloy center and ground electrodes, these...
      Designed for dependable performance and superior durabilityCopper core center electrode allows for an increase in conductivity and accurate control of heat range optimizing plug performance and longevity
      $1.60
    • (0 reviews)
      # mpn1395078705
      Kia Optima with Gasket Seat 2.4L 2003, Double Platinum Spark Plug by Champion®. With platinum fine wire welded onto the nickel alloy center electrode and a platinum pad welded to the ground electrode, these products provide...
      Designed to provide dependable and long-lasting performancePlatinum center and ground electrodes ensure longer life
      $4.76
    • (0 reviews)
      # 524049737
      Kia Optima with Gasket Seat 2003, Iridium Spark Plug by Champion®. Built using more than 30 years' experience in manufacturing iridium spark plugs, these Champion products offer maximum performance. With a fine-wire iridium center...
      Designed to provide dependable performance and long-lasting service lifeIridium center electrode and "laser-locked" platinum ground electrode ensure maximum life
      $5.13 - $5.23
    • (0 reviews)
      # 524034678
      Kia Optima 2003, Platinum Power Spark Plug by Champion®. If your vehicle is equipped with standard nickel/copper type, these spark plugs by Champion are an excellent choice. They offer the superior durability of platinum technology...
      Provide dependable performance and extended durabilityPlatinum center electrode for long life
      $2.18 - $4.67
    • (0 reviews)
      # 211617508
      Kia Optima 2003, Spark Plug Wire Set 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 reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping
      $18.60 - $46.23
    • (0 reviews)
      # 99006735
      Kia Optima 2003, Spark Plug Wire Set 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 reputation for...
      The design of this set strictly follows the original specifications set by OEManufactured using OE-Style spark plug and distributor boots
      $10.77 - $27.62
    • (0 reviews)
      # 603785033
      Kia Optima 2003, Spark Plug Wire Set by ACDelco®. Built to match the Original Equipment in length and fit, ACDelco Professional Ignition Wire Sets also offer a performance advantage over many aftermarket products.
      Designed to match Original Equipment wire sets in critical areas such as cable length and diameter, terminal design and insulator positionHave broad coverage available for most vehicles on the road today from 1980 to present
      $15.16 - $39.30
    • (0 reviews)
      # 21048425
      Kia Optima 2003, Primary Ignition Wire by Denso®. Complete Ignition Wire Set. A leader in direct ignition technology, Denso developed the auto industry's first compact stick-type ignition coil. The space-saving design, since...
      Improved coil efficiency reduces the need to generate high voltageDriving circuit is integrated into top of coil
      $16.97 - $36.61
    • (0 reviews)
      # 36242462
      Kia Optima 2003, Spark Plug Wire 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 import vehicles in the...
      OE quality products from top original equipmentTop quality materials
      $16.49 - $39.33
    • (0 reviews)
      # 603780079
      Kia Optima 2003, 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
      $35.87 - $44.07
    • (0 reviews)
      # 21497308
      Kia Optima 2003, 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
      $18.63 - $52.86
    • (0 reviews)
      # mpn2355616
      Kia Optima 2.4L 2003, Ignition Wire Set by Prestolite®. 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $30.43
    • (0 reviews)
      # 57181897
      Kia Optima 2003, Ignition Coil by Spectra Premium®. Spectra Premium ignition coils are designed and produced under a strict TS16949 quality control process.
      All ignition coils are durability tested at 100 cycles of thermal shock (-50 to 300° F), to ensure reliability from extreme vibration24 hours salt spray test ensures sensors provide high corrosion resistance
      $20.60 - $56.71
    • (0 reviews)
      # mpn4256401376
      Kia Optima with 3 Ignition Coil Assembly 2.7L 2003, Ignition Coil by Beru®. 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,...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $68.94
    • (0 reviews)
      # mpn4255246617
      Kia Optima 2.4L 2003, 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
      $84.55
    • (0 reviews)
      # mpn4255247372
      Kia Optima with Coil Package 2.7L 2003, 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...
      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
      $86.56
    • (1 review)
      # 13587252
      Kia Optima 2003, Spark Plug Wire Set by Karlyn STI®. Requires 1 per Vehicle. 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...
      Spiral CoreStainless Steel Magnetic Conductive Winding
      $16.25 - $36.64
    • (0 reviews)
      # mpn1816801
      Kia Optima 2.4L 2003, Direct Ignition Coil by Karlyn STI®. Requires 2 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
      $28.05
    • (0 reviews)
      # mpn1812448
      Kia Optima 2.7L 2003, Ignition Coil by Karlyn STI®. Requires 1 per Vehicle. Coil Pack replaces the distributor. It features electronically controlled pack of ignition coils controled by the car's computer and as distributor it is...
      Increases the amount of horsepowersBetters combustion
      $41.35
    • (0 reviews)
      # mpn197683742
      Kia Optima 2.7L 2003, Spark Plug Tube Seal 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
      $7.24
    • (0 reviews)
      # 21496934
      Kia Optima 2003, 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
      $4.31 - $6.44
    • (0 reviews)
      # mpn4252311439
      Kia Optima 2.4L 2003, Intermotor™ Direct Ignition Coil Boot 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...
      Coil-on-Plug bootFor vehicles with direct ignition
      $8.35
    • (0 reviews)
      # mpn4254341146
      Kia Optima 2.4L 2003, Direct Ignition Coil Boot Kit by Denso®. 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $20.66
    • (0 reviews)
      # mpn4253208005
      Kia Optima 2.4L with Multi Coil System 2003, Ignition Coil Boot 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
      $14.21
    • (0 reviews)
      # mpn739315528
      Kia Optima 2.7L Sedan with High Grade / with Middle Grade 2003, Seal by KIA OE®. Designed utilizing the latest technology, this product by KIA OE features premium quality and will perform better than advertised. Perfect for your...
      Specifically engineered to restore factory performanceGenuine OE quality at a budget-friendly price
      $6.68
    • (0 reviews)
      # 577967698
      Kia Optima 2003, 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 the highest...
      Our knock sensors are designed to respond to knock frequencies up to 1000 Hz accommodating shifts in engine knock frequency making it a more flexible sensor responding to correct engine knock over a broad range of vehicle conditionsManufacturing processes include an automated data acquisition system to continuously monitor the sensor output to ensure that it responds with appropriate voltage output at the specified frequency range
      $37.24 - $39.24
    • (0 reviews)
      # 210521186
      Kia Optima 2003, 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...
      Our knock sensors are designed to respond to knock frequencies up to 1000 Hz accommodating shifts in engine knock frequency making it a more flexible sensor responding to correct engine knock over a broad range of vehicle conditionsManufacturing processes include an automated data acquisition system to continuously monitor the sensor output to ensure that it responds with appropriate voltage output at the specified frequency range
      $37.24 - $39.24
    • (0 reviews)
      # 36028907
      Kia Optima 2003, Ignition Knock 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
      $24.90 - $33.93
    • (0 reviews)
      # 577945990
      Kia Optima 2003, Ignition Knock 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
      $24.90 - $33.93
    • (0 reviews)
      # 143250047
      Kia Optima 2003, Ignition Knock (Detonation) Sensor by Forecast®. Sensor This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...
      High quality at an affordable priceExpertly made from premium materials
      $55.31 - $56.48
    • (0 reviews)
      # 578260358
      Kia Optima 2003, Ignition Knock Detonation Sensor by Forecast®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      High quality at an affordable priceExpertly made from premium materials
      $55.31 - $56.48
    • (0 reviews)
      # mpn447054
      Kia Optima 2.4L 2003, Ignition Capacitor 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
      $8.18
    • (0 reviews)
      # mpn447084
      Kia Optima 2.4L 2003, Ignition Control Module 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
      $60.06
    • (0 reviews)
      # 577961440
      Kia Optima 2003, 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
      $13.82 - $35.04
    • (0 reviews)
      # 21497265
      Kia Optima 2003, 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
      $13.82 - $35.04
    • (0 reviews)
      # mpn53648955
      Kia Optima 2003, Intermotor™ Ignition Starter Switch by Standard®. Genuine Intermotor Quality. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products,...
      Our complete line of ignition switches are constructed with the finest materials to ensure proper fit and function every timeOur switches are designed using copper alloy conductors to ensure superior electrical conductivity with low resistive losses
      $8.67
    • (0 reviews)
      # 66791312
      Kia Optima 2003, Ignition Lock Assembly 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
      $70.73 - $213.80
    • (0 reviews)
      # 103437074
      Kia Optima 2003, OE Fine Wire Spark Plug by Bosch®. Thread Diameter: 14 mm. Thread Length: 19 mm. Insulator Material: Ceramic. Ground Configuration: Standard. Ground Electrode Quantity: 1. Manufacturer Heat Range: 8. Seat Type:...
      OE specific design360-degree continuous laser welded platinum tip for durability and long life
      $4.66 - $8.83
    • (0 reviews)
      # 103437065
      Kia Optima 2003, Platinum Series Spark Plug by Bosch®. Pack of 1. Only Bosch uses a platinum center electrode that’s heat-fused into a ceramic insulator. All Bosch Platinum Series Spark Plugs reach self-cleaning temperature...
      Delivers quick starts and smooth accelerationLower ignition voltage requirement provides reliable cold weather starting and superior operation under all driving conditions
      $5.12 - $7.37
    • (0 reviews)
      # 50081713
      Kia Optima 2003, Super Plus Spark Plug by Bosch®. Pack of 1. Gap: 1.1 mm. Thread Diameter: 14 mm. Thread Length: 19 mm. Insulator Material: Ceramic. Ground Configuration: Standard. Center Electrode Tip Material: Nickel-Yttrium....
      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
      $3.06
    • (9 reviews)
      # 21713200
      Kia Optima 2003, 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...
      Increased horsepowerBetter torque
      $14.95 - $89.70




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    2003 Kia Optima Ignition Parts Reviews

    Average rating:  5  5 - 1 review
    4.8 of 5
    Bang For Your Buck
    They were delivered new, you can definitely tell the difference, you get what you pay for.
    JPosted by Jason Geovany (Inglewood , CA) / September 15, 2016
    2000 BMW 3-Series
    Was this review helpful for you? Yes

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