2003 Chevy Silverado Catalytic Converters & Components

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    • (0 reviews)
      # 88065650
      Chevy Silverado 1500 4.3L / 4.8L / 5.3L 2003, CalCat™ Stainless Steel Direct-Fit Round Catalytic Converter by Walker®. Catalytic Series: CalCat™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: Yes. Converter...
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $575.35
    • (0 reviews)
      # 87065845
      Chevy Silverado 2003, CalCat™ Stainless Steel Universal Fit Catalytic Converter without Air Tube by Walker®. Catalytic Series: CalCat™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: Yes. Converter...
      RIGHT loading of precious metalsThe proper catalyst material and design
      $136.11 - $166.42
    • (0 reviews)
      # 85228139
      Chevy Silverado 2003, Ultra™ Stainless Steel Direct-Fit Catalytic Converter by Walker®. Catalytic Series: Ultra™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration: Direct Fit....
      5 Year / 50,000 Miles Warranty on Structural Components5 Year / 50,000 Miles Warranty on Exhaust Emission (CARB Models)
      $237.59 - $421.96
    • (0 reviews)
      # 87065846
      Chevy Silverado 2003, Ultra™ Stainless Steel Universal Fit Catalytic Converter without Air Tube by Walker®. Catalytic Series: Ultra™. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: No. Converter Configuration:...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $82.85 - $88.24
    • (0 reviews)
      # 20556664
      Chevy Silverado 2003, Catalytic Converter by Bosal®. Converter Configuration: Direct Fit. CARB Compliant: No. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier...
      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
      $244.36 - $463.69
    • (0 reviews)
      # 103491888
      Chevy Silverado 2500 HD 6.0L / 8.1L 133.0" Wheelbase with Federal Emission 2003, Passenger Side Catalytic Converter by Eastern®. Converter Configuration: Direct Fit. Catalytic Converter Format: Main Catalytic Converter. Outlet...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $377.08
    • (0 reviews)
      # 111776628
      Chevy Silverado 2003, ECO CARB Catalytic Converter by Eastern®. Catalytic Series: ECO CARB. Converter Configuration: Direct Fit. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: Yes. If you need to replace your...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $386.80 - $555.12
    • (0 reviews)
      # 100281840
      Chevy Silverado 2003, ECO CARB Catalytic Converter by Eastern®. Catalytic Series: ECO CARB. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: Yes. Catalytic Converter Body...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $142.38 - $154.85
    • (0 reviews)
      # 100281855
      Chevy Silverado 2003, ECO CARB Catalytic Converter by Eastern®. Catalytic Series: ECO CARB. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: Yes. Catalytic Converter Body...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $182.85 - $187.43
    • (0 reviews)
      # 100281865
      Chevy Silverado 2003, ECO CARB Catalytic Converter by Eastern®. Catalytic Series: ECO CARB. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: Yes. Catalytic Converter Body...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $254.02 - $257.61
    • (0 reviews)
      # 111776629
      Chevy Silverado 2003, ECO II Catalytic Converter by Eastern®. Catalytic Series: ECO II. Converter Configuration: Direct Fit. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: No. Oxygen Sensor Style: 18mm X...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $317.10 - $391.82
    • (0 reviews)
      # 100277988
      Chevy Silverado 1500 4.3L / 4.8L / 5.3L 2003, ECO II Catalytic Converter by Eastern®. Catalytic Series: ECO II. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. Inlet Diameter: 2.5"....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $64.60
    • (0 reviews)
      # 86068264
      Chevy Silverado 1500 2003, 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...
      Direct fitMade from a heavy duty stainless steel outer shell
      $488.60 - $763.00
    • (0 reviews)
      # 81958665
      Chevy Silverado 4.8L 2003, Undercar Direct Fit Catalytic Converter by PaceSetter®. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: No. Converter Body Material: Stainless Steel. Converter Configuration: Direct...
      Catalytic Converters are a direct replacement for original equipmentEngineered for durability and ease of installation
      $393.47
    • (0 reviews)
      # 80130828
      Chevy Silverado 2003, Catalytic Converter by AP Exhaust®. Converter Configuration: Direct Fit. CARB Compliant: No. The growing concern for the environment means there is a growing need for quality emission control products. AP...
      Manufactured from high quality materialsDesign meet needs of OBDII equipped vehicles
      $283.80 - $447.09
    • (0 reviews)
      # 38175891
      Chevy Silverado 4.3L / 4.8L / 5.3L with Flat Spot in OE Middle Pipe 2003, Direct Fit Stainless Steel California Catalytic Converter by Flowmaster®. Inlet Diameter: 2.5". Outlet Diameter: 3". Catalytic Converter Body Length: 33"....
      Exceed all federal emission standardsStainless Steel shells
      $746.89
    • (0 reviews)
      # 4177825
      Chevy Silverado 1500 Base / LS / LT / WT 2003, Direct Fit Stainless Steel Federal Catalytic Converter by Flowmaster®. Inlet Diameter: 2.5". Outlet Diameter: 3". Converter Configuration: Direct Fit. Substrate Material: Ceramic....
      Exceed all federal emission standardsStainless Steel shells
      $433.31
    • (0 reviews)
      # 93212501
      Chevy Silverado 6.6L 2003, Direct Fit California Diesel Catalytic Converter by MagnaFlow®. Catalytic Series: Diesel. Catalytic Converter Substrate Material: Metallic. Converter Body Material: Stainless Steel. CARB Compliant: Yes....
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $664.37
    • (0 reviews)
      # 62246971
      Chevy Silverado 2003, Direct Fit California OBDII Catalytic Converter by MagnaFlow®. Catalytic Series: OBDII. Catalytic Converter Substrate Material: Ceramic. CARB Compliant: Yes. Converter Configuration: Direct-Fit. If your car...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $535.98 - $831.16
    • (0 reviews)
      # 22202471
      Chevy Silverado Diesel 2003, Direct Fit Federal Diesel Catalytic Converter by MagnaFlow®. Catalytic Series: Diesel. Catalytic Converter Substrate Material: Metallic. Converter Body Material: Stainless Steel. CARB Compliant: No....
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $684.29
    • (0 reviews)
      # 22198153
      Chevy Silverado 1500 4.3L / 4.8L / 5.3L 2003, Direct Fit Federal Heavy Metal Catalytic Converter by MagnaFlow®. Catalytic Series: Heavy Metal. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless...
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $483.39
    • (0 reviews)
      # 61587674
      Chevy Silverado 2003, Direct Fit Federal OEM Grade Catalytic Converter by MagnaFlow®. Catalytic Series: OEM Grade. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. CARB Compliant: No....
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $371.57 - $601.08
    • (0 reviews)
      # 61587673
      Chevy Silverado 2003, Direct Fit Federal Standard Catalytic Converter by MagnaFlow®. Catalytic Series: Standard. Catalytic Converter Substrate Material: Ceramic. Converter Body Material: Stainless Steel. CARB Compliant: No....
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $312.74 - $477.76
    • (0 reviews)
      # 61856785
      Chevy Silverado 2003, SuperMAXX Stainless Steel Intermediate Tubes by Dynatech®. Sold as kit. SuperMAXX Stainless Intermediate Section is an excellent way to complete your exhaust System on your Truck or SUV engine. This system is...
      T304 Stainless Steel ConstructionHardware Included
      $542.99 - $699.99
    • (0 reviews)
      # 89545055
      Chevy Silverado 4.8L / 6.0L 2003, Graph-Flex™ Catalytic Converter Collector Gaskets by Taylor Cable®. These durable gaskets are composed of a graphite composition material on a malleable stainless steel core. They’ll seal up...
      Malleable stainless steel metal coreGraphite composition sealing material for high heat applications
      $14.04
    • (0 reviews)
      # 89545064
      Chevy Silverado 4.8L / 6.0L 2003, XX Carbon™ Catalytic Converter Collector Gaskets by Taylor Cable®. All of our XX Carbon exhaust header gaskets are made with Taylor’s proprietary, 100% carbon-felt material construction...
      Will survive 2000°F exhaust temperatures for extended periodsCarbon felt material on a steel core
      $12.74
    • (1 review)
      # 139379691
      Universal ECO GM II Universal Fit Catalytic Converter by Eastern®. Catalytic Series: ECO GM II. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. Catalytic Converter Oxygen Sensor...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $88.68 - $88.78
    • (1 review)
      # 139379692
      Universal ECO GM Universal Fit Catalytic Converter by Eastern®. Catalytic Series: ECO GM. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: No. Catalytic Converter Body...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $83.88 - $88.78
    • (1 review)
      # 139379694
      , ECO III Catalytic Converter by Eastern®. Catalytic Series: ECO III. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. Without Inlet Gasket. Without Outlet Gasket. Without Oxygen Sensor...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $82.05 - $100.28
    • (1 review)
      # 139371684
      , ECO III Catalytic Converter by Eastern®. Catalytic Series: ECO III. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. Without Inlet Gasket. Without Outlet Gasket. Keep your exhaust...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $64.90 - $89.96
    • (1 review)
      # 139379693
      Universal ECO II Universal Fit Catalytic Converter by Eastern®. Catalytic Series: ECO II. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: No. Without Inlet Gasket....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $66.16 - $80.86
    • (1 review)
      # 139371685
      Universal ECO II Universal Fit Catalytic Converter by Eastern®. Catalytic Series: ECO II. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: No. Without Inlet Gasket....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $87.35 - $121.58
    • (1 review)
      # 139371686
      Universal ECO II Universal Fit Catalytic Converter by Eastern®. Catalytic Series: ECO II. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. Catalytic Converter Oxygen Sensor Location:...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $69.40 - $72.55
    • (1 review)
      # 139371687
      Universal ECO II Universal Fit Catalytic Converter by Eastern®. Catalytic Series: ECO II. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: No. Without Inlet Gasket....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $66.23 - $87.13
    • (1 review)
      # 139371688
      Universal ECO II Universal Fit Catalytic Converter by Eastern®. Catalytic Series: ECO II. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. Catalytic Converter Oxygen Sensor Location:...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $87.13 - $88.45
    • (1 review)
      # 139371689
      ECO II Catalytic Converter by Eastern®. Catalytic Series: ECO II. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. Without Inlet Gasket. Without Outlet Gasket. Keep your exhaust...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $52.93 - $72.73
    • (1 review)
      # 139371690
      Universal Performance Universal Fit Catalytic Converter by Eastern®. Catalytic Series: Performance. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: No. Without Inlet...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $65.65 - $119.05
    • (1 review)
      # 139371691
      Universal Performance Universal Fit Catalytic Converter by Eastern®. Catalytic Series: Performance. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: No. Catalytic...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $87.79 - $116.23
    • (1 review)
      # 139371692
      Universal Standard Universal Fit Catalytic Converter by Eastern®. Catalytic Series: Standard. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: No. Without Inlet Gasket....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $70.86 - $100.94
    • (1 review)
      # 139371706
      Universal Standard Universal Fit Catalytic Converter by Eastern®. Catalytic Series: Standard. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. Inlet Diameter: 3". Outlet Diameter: 3"....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $64.80 - $64.87
    • (1 review)
      # 139371707
      Standard Catalytic Converter by Eastern®. Catalytic Series: Standard. Converter Configuration: Universal Fit. Catalytic Converter Format: Main Catalytic Converter. CARB Compliant: No. Without Inlet Gasket. Without Outlet Gasket....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $42.50 - $56.00
    • (2 reviews)
      # 120105855
      Universal 200 Series OBDII Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 200 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic...
      Exceed all federal emission standardsStainless Steel shells
      $116.53 - $204.95
    • (0 reviews)
      # mpn912861
      Universal 200 Series Stainless Steel Round Catalytic Converter without Air Tube by Flowmaster®. Catalytic Series: 200 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel....
      Exceed all federal emission standardsStainless Steel shells
      $187.66
    • (5 reviews)
      # 120105826
      Universal 220 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 220 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $64.66 - $68.56
    • (5 reviews)
      # 120105830
      Universal 222 Series Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 222 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $67.12
    • (2 reviews)
      # 120105834
      Universal 223 Series Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 223 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $73.86
    • (2 reviews)
      # 120105838
      Universal 225 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 225 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $64.15 - $71.98
    • (7 reviews)
      # 120105843
      Universal 240 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 240 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $129.60 - $144.93
    • (5 reviews)
      # 120105847
      Universal 250 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 250 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $130.99 - $147.34
    • (0 reviews)
      # mpn886220
      Universal 260 Series Stainless Steel Oval Catalytic Converter without Air Tube by Flowmaster®. Catalytic Series: 260 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel....
      Exceed all federal emission standardsStainless Steel shells
      $247.74
    • (7 reviews)
      # 120105859
      Universal 282 Series OBDII Stainless Steel Catalytic Converter by Flowmaster®. Catalytic Series: 282 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. The new Flowmaster...
      Exceed all federal emission standardsStainless Steel shells
      $102.20 - $142.92
    • (2 reviews)
      # 120105876
      Universal 283 Series OBDII Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 283 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic...
      Exceed all federal emission standardsStainless Steel shells
      $103.95 - $127.74
    • (2 reviews)
      # 120105881
      Universal 284 Series OBDII Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 284 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic...
      Exceed all federal emission standardsStainless Steel shells
      $187.88
    • (5 reviews)
      # 120105850
      Universal 290 Series Stainless Steel Oval Catalytic Converter by Flowmaster®. Catalytic Series: 290 Series. CARB Compliant: No. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Exceed all federal emission standardsStainless Steel shells
      $108.66 - $128.44
    • (0 reviews)
      # mpn918025
      Universal 3512 Series OBDII Stainless Steel Oval Catalytic Converter without Air Tube by Flowmaster®. Catalytic Series: 3512 Series. CARB Compliant: Yes. Converter Configuration: Universal Fit. Converter Body Material: Stainless...
      Exceed all federal emission standardsStainless Steel shells
      $163.39
    • (2 reviews)
      # 120105898
      Universal 3588 Series Pre-OBDII Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 3588 Series. CARB Compliant: Yes. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel....
      Exceed all federal emission standardsStainless Steel shells
      $186.54
    • (2 reviews)
      # 120105903
      Universal 3589 Series Pre-OBDII Stainless Steel Round Catalytic Converter by Flowmaster®. Catalytic Series: 3589 Series. CARB Compliant: Yes. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. The new...
      Exceed all federal emission standardsStainless Steel shells
      $205.76 - $324.05
    • (0 reviews)
      # mpn918033
      Universal 3612 Series OBDII Stainless Steel Oval Catalytic Converter without Air Tube by Flowmaster®. Catalytic Series: 3612 Series. CARB Compliant: Yes. Converter Configuration: Universal Fit. Converter Body Material: Stainless...
      Exceed all federal emission standardsStainless Steel shells
      $185.80
    • (0 reviews)
      # mpn918035
      Universal 3612 Series Stainless Steel Oval Catalytic Converter without Air Tube by Flowmaster®. Catalytic Series: 3612 Series. CARB Compliant: Yes. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel....
      Exceed all federal emission standardsStainless Steel shells
      $146.59
    • (0 reviews)
      # mpn918036
      Universal 3910 Series OBDII Stainless Steel Round Catalytic Converter without Air Tube by Flowmaster®. Catalytic Series: 3910 Series. CARB Compliant: Yes. Converter Configuration: Universal Fit. Converter Body Material: Stainless...
      Exceed all federal emission standardsStainless Steel shells
      $255.76




    2003 Chevy Silverado Catalytic Converters Reviews

    Average rating:  5  5 - 1 review
    5 of 5
    2003 Chevy Silverado
    I've bought this catalytic converter for my 2003 Chevy Silverado about two years ago. As I remember my mechanic had no problems mounting or connecting it no modifications standard gaskets.
    CPosted by Charles (Pearland, TX) /
    2003 Chevy Silverado
    Was this review helpful for you? Yes
    2003 Chevy Silverado Models
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