2004 Kia Optima Catalytic Converters & Components

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    • (0 reviews)
      # mpn2231259180
      Kia Optima 2.4L 2004, Catalytic Converter by PaceSetter®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Front. If you want to get the most out of your vehicle, this PaceSetter product is second to none....
      Direct-Fit Catalytic Converters are a direct replacement for original equipmentManufactured using mandrel-bent 16-gauge and stainless steel tubing
      $99.09
    • (0 reviews)
      # 81676642
      Kia Optima 2004, Catalytic Converter by AP Exhaust®. Converter Configuration: Direct Fit. The growing concern for the environment means there is a growing need for quality emission control products. AP catalysts and catalytic...
      5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions
      $234.45 - $486.50
    • (1 review)
      # 81060388
      Kia Optima 2004, Catalytic Converter by DEC®. Converter Configuration: Direct Fit. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made...
      Direct fitMade from a heavy duty stainless steel outer shell
      $205.63 - $441.25
    • (0 reviews)
      # 447932402
      Kia Optima 2.7L 2004, Exhaust Manifold with Integrated Catalytic Converter by Davico®. Emissions: EPA compliant. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $329.36 - $384.91
    • (0 reviews)
      # 88869093
      Kia Optima 2004, ECO CARB Undercar Catalytic Converter by Eastern®. Emissions: CARB compliant. Converter Configuration: Direct Fit. If you need to replace your failed or damaged catalytic converter, this product is the right...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $255.31 - $300.84
    • (0 reviews)
      # 231133193
      Kia Optima 2.7L 2004, Ultra™ Exhaust Manifold with Integrated Catalytic Converter by Walker®. Emissions: EPA compliant. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust Walker, an industry leader,...
      Constructed to meet your vehicle’s specific emissions requirementsDesigned to meet EPA regulations
      $317.20 - $323.09
    • (0 reviews)
      # 346420198
      Kia Optima 2.7L 2004, ECO CARB WU-TWC Exhaust Manifold with Integrated Catalytic Converter by Eastern®. Includes: 1 Inlet Gasket, 1 Outlet Gasket, Outlet Hardware. If you need to replace your failed or damaged manifold, this...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $354.40 - $354.98
    • (0 reviews)
      # 346420204
      Kia Optima 2.7L 2004, ECO III Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Eastern®. Includes: 1 Inlet Gasket, 1 Outlet Gasket, Outlet Hardware. If you need to replace your failed or damaged manifold,...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $360.08 - $387.48
    • (0 reviews)
      # 466290468
      Kia Optima 2004, Exhaust Manifold with Integrated Catalytic Converter by Bosal®. Emissions: EPA compliant. Includes: Two O2 Sensor Ports. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal....
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $315.15
    • (0 reviews)
      # 231133105
      Kia Optima 2.7L 2004, Cast Iron Natural Exhaust Manifold with Integrated Catalytic Converter by Dorman®. Finish: Natural. Includes: Exhaust Manifold, Gaskets and Hardware. More like a complete kit than a single part, many of the...
      Includes heat-shield for protection of hoses, wiring, and other engine componentsConstruction protects against warping and/or cracking
      $311.52 - $328.91
    • (0 reviews)
      # mpn946776
      Kia Optima with Tier0 Specification / with TIER1 Specification 2.4L 2004, Front Exhaust Manifold with Integrated Catalytic Converter by DEC®. Location: Front. Emissions: EPA compliant. Pick out a catalytic converter by DEC and get...
      Direct fitMade from a heavy duty stainless steel outer shell
      $368.86
    • (0 reviews)
      # 504511943
      Kia Optima Engine Family Number 4KMXV02.4D04 2.4L 2004, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Direct Fit. Position: Front. Catalytic Converter Body Shape: Round. With 1 Inlet....
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $292.52
    • (0 reviews)
      # mpn1837119
      Kia Optima Engine Family Number 4KMXV02.4D04 2.4L 2004, CalCat™ Catalytic Converter by Walker®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape: Standard Oval....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $121.06
    • (0 reviews)
      # 87067438
      Kia Optima 2004, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Without O2 Sensor Port. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust Walker,...
      Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability
      $200.08 - $334.90
    • (0 reviews)
      # 286271401
      Kia Optima 2004, Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. With 1 Inlet. Without Air Tube. Without O2 Sensor Port. The Right converter, the Right choice. Universal...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $74.34 - $95.06
    • (0 reviews)
      # mpn1261043
      Kia Optima 2.4L 2004, ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Front. With 1 O2 Sensor Port. Includes: Outlet Gasket, Outlet Mounting Hardware. If you need to...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $203.86
    • (0 reviews)
      # 286271412
      Kia Optima 2004, Standard Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Position: Rear Undercar. Without O2 Sensor Ports. Catalytic Converter Overall Length: 48". If you need to...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $236.50 - $363.26
    • (0 reviews)
      # 172077549
      Kia Optima 2004, Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Rear Undercar. Catalytic Converter Body Shape: Oval. Without O2 Sensor Ports. Catalytic Inlet Diameter:...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $38.48 - $59.04
    • (0 reviews)
      # 128904718
      Kia Optima 2004, Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Without Air Tube. Three-Way No / Air OBDII By Design US-EPA Compliant catalytic converters are efficient at the oxidation of HC’s and...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $80.62 - $136.56
    • (0 reviews)
      # 212110025
      Kia Optima 2004, Catalytic Converter by Bosal®. Converter Configuration: Direct Fit. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle manufacturers...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $219.34 - $314.15
    • (0 reviews)
      # 286271383
      Kia Optima 2.4L 2004, Catalytic Converter Gasket by Victor Reinz®. 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...
      High quality at an affordable priceExpertly made from premium materials
      $5.89 - $8.04
    • (0 reviews)
      # 389093795
      Kia Optima 2.7L 2004, Heavy Metal Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: EPA compliant. Color: Silver. Header...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $400.94 - $412.59
    • (0 reviews)
      # 61589118
      Kia Optima 2.7L 2004, OEM Grade Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions: EPA compliant. Color: Silver. Header...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $459.75 - $471.43
    • (0 reviews)
      # 285584679
      Kia Optima with LEV Specification / with LEV1 Specification 2.7L 2004, Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.5". Collector Outlet Diameter: 2.5". Emissions:...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $518.59 - $529.74
    • (0 reviews)
      # 136722519
      Kia Optima 2.7L 2004, Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by PaceSetter®. Emissions: EPA compliant. PaceSetter Direct-Fit Manifold Catalytic Converters are a direct replacement of original equipment...
      Manifold Catalytic Converters are a direct replacement for original equipmentManufactured using mandrel-bent stainless steel tubing for a low restriction tubular manifold design
      $199.53
    • (0 reviews)
      # 199202240
      Kia Optima 2.4L 2004, Standard Grade Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Flowmaster's Standard Grade line of Manifold direct fit catalytic converters are specifically...
      Made of High Quality Stainless SteelImprove Torque and Throttle Response
      $278.07 - $341.79
    • (0 reviews)
      # 380863266
      Kia Optima With LEV Specification / With LEV1 Specification 2004, Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Direct Fit. Without Air Tube. Without O2 Sensor Port. If your car needs...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $436.61 - $527.72
    • (0 reviews)
      # 61589116
      Kia Optima 2004, Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check...
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $260.85 - $374.60
    • (0 reviews)
      # mpn1038330
      Kia Optima 2004, Heavy Metal Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port....
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $111.97
    • (0 reviews)
      # 465993349
      Kia Optima With LEV Specification / With LEV1 Specification 2004, OBDII Catalytic Converter by MagnaFlow®. Emissions: CARB compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube....
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $165.85 - $185.78
    • (0 reviews)
      # 380863267
      Kia Optima 2004, OEM Grade Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Direct Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check and...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $339.30 - $468.89
    • (0 reviews)
      # mpn1058905
      Kia Optima 2004, OEM Grade Catalytic Converter by MagnaFlow®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Position: Rear. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port....
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $136.20
    • (0 reviews)
      # mpn4144518715
      Kia Optima 2.7L 2004, Driver Side Exhaust Manifold with Integrated Catalytic Converter by DEC®. Location: Driver Side. Emissions: EPA compliant. Pick out a catalytic converter by DEC and get your emissions back into check without...
      Direct fitMade from a heavy duty stainless steel outer shell
      $384.13
    • (0 reviews)
      # 286167897
      Universal Ultra™ Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. With 1 Inlet. Without Air Tube. With O2 Sensor Port. Catalytic...
      High precious metal load and high technology washcoat for premium performanceStainless steel body and aluminized body and pipe heat shields for durability
      $103.26 - $109.22
    • (0 reviews)
      # 286167923
      Universal Catalytic Converter by Walker®. Emissions: EPA compliant. Converter Configuration: Universal Fit. With 1 Inlet. This part features the correct load of precious metals to ensure the proper limitation of tailpipe emissions....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $57.49 - $116.82
    • (1 review)
      # 286167639
      Universal Bullet Cat™ ECO II Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Ports. Whether your catalytic converter is...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $60.47 - $73.90
    • (1 review)
      # 286167645
      Universal Bullet Cat™ ECO III Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Ports. Whether your catalytic converter is...
      Direct OEM replacementDesigned with twice the amount of Rhodium to help keep the MIL off on vehicles with high mileage, low emissions, or higher than normal emissions
      $74.99 - $91.65
    • (0 reviews)
      # 286167631
      Universal ECO GM Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. Catalytic Converter Overall Length: 16". Keep your exhaust emissions...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $76.65 - $81.04
    • (0 reviews)
      # mpn1233537
      Universal ECO III Stuffed Tube Catalytic Converter with EndCap by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Ports. Catalytic Inlet Diameter:...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $73.95
    • (0 reviews)
      # 286167831
      Universal QuieCat™ ECO II Resonated Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Catalytic Converter Overall Length: 18". The new Eastern...
      Baffled tube reduces sound levels by 35% without losing horsepowerHigh flow design retains maximum engine output and maximizes catalytic efficiency
      $77.82 - $80.84
    • (0 reviews)
      # 286167832
      Universal QuieCat™ ECO III Resonated Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Catalytic Converter Overall Length: 18". The new...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $96.49 - $100.25
    • (0 reviews)
      # 286167833
      Universal QuieCat™ Standard Resonated Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Ports. The new Eastern Catalytic...
      Baffled tube reduces sound levels by 35% without losing horsepowerHigh flow design retains maximum engine output and maximizes catalytic efficiency
      $52.13 - $54.90
    • (0 reviews)
      # 286167853
      Universal Standard Stuffed Tube Catalytic Converter with EndCap by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Ports. Whether your catalytic...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $41.99 - $42.82
    • (0 reviews)
      # 286167714
      Universal Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Keep your exhaust emissions within specifications and your vehicle running in...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $64.76 - $138.89
    • (0 reviews)
      # 286167741
      Universal Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Round. With 1 O2 Sensor Port. Catalytic Converter Overall Length: 16". Keep your...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $63.42 - $82.22
    • (0 reviews)
      # 286167775
      Universal Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Keep your exhaust emissions within specifications and your vehicle running in top...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $38.48 - $98.73
    • (0 reviews)
      # 286167836
      Universal Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Keep your exhaust emissions within specifications and your vehicle running in top...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $35.97 - $82.22
    • (0 reviews)
      # 350072412
      Universal Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Contains approximately 40% higher precious metal content than most other...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $176.32 - $200.72
    • (0 reviews)
      # 504578921
      Universal 608 Series Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Without Air Tube. Three-Way No / Air OBDII By Design US-EPA Compliant catalytic converters are efficient at...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $63.09 - $169.43
    • (0 reviews)
      # 504706719
      Universal Enhanced Standard Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without O2 Sensor Port. Three-Way No / Air OBDII By Design...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $49.54 - $102.90
    • (0 reviews)
      # mpn474117414
      Universal Heavy Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. With Single Air Tube. With O2 Sensor Port. Catalytic Converter Overall...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $146.63
    • (0 reviews)
      # 504629737
      Universal High Flow Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Three-Way No / Air OBDII By...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $140.90 - $183.93
    • (0 reviews)
      # mpn474117777
      Universal Large Body Super X Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. With O2 Sensor Port. Catalytic...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $128.72
    • (0 reviews)
      # 504580905
      Universal Medium Duty Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Three-Way No / Air OBDII By Design US-EPA Compliant catalytic...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $89.70 - $105.02
    • (0 reviews)
      # 504613706
      Universal Standard Duty Spun Body Catalytic Converter by AP Exhaust®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $41.48
    • (0 reviews)
      # 286167555
      Universal Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Without Air Tube. Without O2 Sensor Port. Three-Way No / Air OBDII By Design US-EPA Compliant catalytic converters are efficient at the oxidation...
      A multitude of Universal converter bodies provided for maximum coverageProvides professional installer with immediate installation options
      $129.33 - $206.76
    • (0 reviews)
      # 286167901
      Universal Catalytic Converter by Bosal®. Converter Configuration: Universal Fit. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle manufacturers and...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $48.83 - $169.19
    • (0 reviews)
      # 286167817
      Universal Bullet Cat™ Performance Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Ports. Whether your catalytic converter...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $66.96 - $121.43
    • (0 reviews)
      # 286167896
      Universal Tru Performance™ Catalytic Converter by Eastern®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Catalytic Converter Overall Length: 16". Eastern Tru...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $89.55 - $118.55
    • (6 reviews)
      # 286167467
      Universal 200 Series Catalytic Converter by Flowmaster®. Emissions: EPA compliant. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Without Heat Shield. The...
      Exceed all federal emission standardsStainless Steel shells
      $123.56 - $189.90





    2004 Kia Optima Models
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