2003 Chevy Silverado Catalytic Converters & Components

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    • (0 reviews)
      # 88065249
      Chevy Silverado 1500 4.3L / 4.8L / 5.3L 2003, CalCat™ Catalytic Converter by Walker®. Catalytic Series: CalCat™. Converter Configuration: Direct Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate...
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      $548.66
    • (0 reviews)
      # 87065845
      Chevy Silverado 2003, CalCat™ Catalytic Converter by Walker®. Catalytic Series: CalCat™. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate Material: Ceramic....
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $132.41 - $166.42
    • (0 reviews)
      # 85228139
      Chevy Silverado 2003, Ultra™ Catalytic Converter by Walker®. Catalytic Series: Ultra™. Converter Configuration: Direct Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate Material: Ceramic. With O2...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $245.16 - $376.83
    • (0 reviews)
      # 87065846
      Chevy Silverado 2003, Ultra™ Catalytic Converter by Walker®. Catalytic Series: Ultra™. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate Material: Ceramic....
      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. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle...
      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 With Federal Emission 6.0L / 8.1L 133.0" Wheelbase 2003, Catalytic Converter by Eastern®. Converter Configuration: Direct Fit. Location: Passenger Side Undercar. Catalytic Converter Substrate Material:...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $377.08
    • (0 reviews)
      # 252920194
      Chevy Silverado 2003, ECO CARB Catalytic Converter by Eastern®. Catalytic Series: ECO CARB. Converter Configuration: Direct Fit. If you need to replace your failed or damaged catalytic converter, this product is the right choice....
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $386.80 - $555.13
    • (0 reviews)
      # 252920388
      Chevy Silverado With LDT2/MDV Weight Class 2003, ECO CARB Catalytic Converter by Eastern®. Catalytic Series: ECO CARB. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Catalytic Converter Overall...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $254.02 - $257.62
    • (0 reviews)
      # 111776628
      Chevy Silverado 2003, ECO II Catalytic Converter by Eastern®. Catalytic Series: ECO II. Converter Configuration: Direct Fit. Catalytic Converter Substrate Material: Ceramic. If you need to replace your failed or damaged catalytic...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $309.09 - $391.82
    • (0 reviews)
      # 100281840
      Chevy Silverado 2003, Catalytic Converter by Eastern®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Catalytic Converter Overall Length: 16". Whether your catalytic converter is damaged by road...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $97.58 - $154.85
    • (0 reviews)
      # 252920381
      Chevy Silverado 2003, Catalytic Converter by Eastern®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Catalytic Converter Overall Length: 14". Whether your catalytic converter is damaged by road...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $64.60 - $187.43
    • (0 reviews)
      # 86068264
      Chevy Silverado 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 are...
      Direct fitMade from a heavy duty stainless steel outer shell
      $488.60 - $763.00
    • (0 reviews)
      # 81958665
      Chevy Silverado 1500 4.8L / 5.3L 2003, Catalytic Converter by PaceSetter®. Converter Configuration: Direct Fit. Location: Rear Undercar. Converter Body Material: Stainless Steel. If you want to get the most out of your vehicle,...
      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. The growing concern for the environment means there is a growing need for quality emission control products. AP catalysts and catalytic...
      Manufactured from high quality materialsDesign meet needs of OBDII equipped vehicles
      $291.40 - $522.41
    • (0 reviews)
      # 81396633
      Chevy Silverado 2003, Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate Material: Ceramic. Without Air Tube. Three-Way No / Air OBDII...
      Manufactured from high quality materialsDesign meet needs of OBDII equipped vehicles
      $89.29 - $348.65
    • (0 reviews)
      # 252920188
      Chevy Silverado 2003, Catalytic Converter by Flowmaster®. Converter Configuration: Direct Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter Oxygen Sensor Location:...
      Exceed all federal emission standardsStainless Steel shells
      $433.31 - $746.89
    • (0 reviews)
      # 252919972
      Chevy Silverado 6.6L 2003, Diesel Catalytic Converter by MagnaFlow®. Catalytic Series: Diesel. Converter Configuration: Direct Fit. Converter Body Material: Stainless Steel. If your car needs replacement, install one that will get...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $664.37 - $684.29
    • (0 reviews)
      # 18322487
      Chevy Silverado 6.6L 2003, Diesel Catalytic Converter by MagnaFlow®. Catalytic Series: Diesel. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate Material: Metallic....
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $366.55
    • (0 reviews)
      # 22198153
      Chevy Silverado 1500 4.3L / 4.8L / 5.3L 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Catalytic Series: Heavy Metal. Converter Configuration: Direct Fit. Converter Body Material: Stainless Steel. Catalytic Converter...
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $483.39
    • (0 reviews)
      # 98374923
      Chevy Silverado 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Catalytic Series: Heavy Metal. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate Material: Ceramic....
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $102.24 - $113.93
    • (0 reviews)
      # 62246971
      Chevy Silverado 2003, OBDII Catalytic Converter by MagnaFlow®. Catalytic Series: OBDII. Converter Configuration: Direct Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate Material: Ceramic. 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)
      # 49710664
      Chevy Silverado 2003, OBDII Catalytic Converter by MagnaFlow®. Catalytic Series: OBDII. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter Body Shape: Oval. Inlet Position:...
      $142.35 - $293.00
    • (0 reviews)
      # 61587674
      Chevy Silverado 2003, OEM Grade Catalytic Converter by MagnaFlow®. Catalytic Series: OEM Grade. Converter Configuration: Direct Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate Material: Ceramic. If your...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $371.57 - $601.08
    • (0 reviews)
      # 49710669
      Chevy Silverado 2003, OEM Grade Catalytic Converter by MagnaFlow®. Catalytic Series: OEM Grade. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate Material: Ceramic....
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $124.39 - $138.16
    • (0 reviews)
      # 61587673
      Chevy Silverado 2003, Standard Catalytic Converter by MagnaFlow®. Catalytic Series: Standard. Converter Configuration: Direct Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate Material: Ceramic. If your...
      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
      $599.99
    • (0 reviews)
      # 89545055
      Chevy Silverado 4.8L / 6.0L 2003, Graph-Flex™ Catalytic Converter Collector Gaskets by Taylor Cable®. Catalytic Series: Graph-Flex™. These durable gaskets are composed of a graphite composition material on a malleable stainless...
      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®. Catalytic Series: XX Carbon™. All of our XX Carbon exhaust header gaskets are made with Taylor’s proprietary, 100%...
      Will survive 2000°F exhaust temperatures for extended periodsCarbon felt material on a steel core
      $12.74
    • (0 reviews)
      # 199201323
      Chevy Silverado 1500 SS 2003, Standard Grade Catalytic Converter by Flowmaster®. Catalytic Series: Standard Grade. Converter Configuration: Direct Fit. Location: Driver Side. Converter Body Material: Stainless Steel. Catalytic...
      Made of High Quality Stainless SteelImprove Torque and Throttle Response
      $208.97
    • (0 reviews)
      # 252880323
      Universal Ultra™ Catalytic Converter by Walker®. Catalytic Series: Ultra™. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter...
      High precious metal load and high technology washcoat for premium performanceStainless steel body and aluminized body and pipe heat shields for durability
      $113.18 - $119.90
    • (0 reviews)
      # 252880373
      Universal Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Substrate Material: Ceramic. Connection Type: Pipe. With 1 Inlet. This part features...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $62.09 - $111.68
    • (0 reviews)
      # 182090567
      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
      $53.39 - $112.81
    • (0 reviews)
      # 174563966
      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
      $66.18 - $122.40
    • (1 review)
      # 139379692
      Universal Bullet Cat™ ECO III Catalytic Converter by Eastern®. Catalytic Series: Bullet Cat™ ECO III. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter Body Shape:...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $82.05 - $100.28
    • (1 review)
      # 252879985
      Universal Bullet Cat™ ECO II Catalytic Converter by Eastern®. Catalytic Series: Bullet Cat™ ECO II. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter Body Shape: Round....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $66.16 - $80.86
    • (0 reviews)
      # 139379691
      Universal ECO GM Catalytic Converter by Eastern®. Catalytic Series: ECO GM. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter Body Shape: Large Round. Catalytic Converter...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $83.88 - $88.78
    • (0 reviews)
      # mpn1233537
      Universal ECO III Stuffed Tube Catalytic Converter with EndCap by Eastern®. Catalytic Series: ECO III. Catalytic Style: Stuffed Tube. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $80.91
    • (0 reviews)
      # 139371692
      Universal QuieCat™ ECO III Resonated Catalytic Converter by Eastern®. Catalytic Series: QuieCat™ ECO III. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter Body Shape:...
      Baffled tube reduces sound levels by 35% without losing horsepowerHigh flow design retains maximum engine output and maximizes catalytic efficiency
      $105.58 - $109.69
    • (0 reviews)
      # 252880187
      Universal QuieCat™ ECO II Resonated Catalytic Converter by Eastern®. Catalytic Series: QuieCat™ ECO II. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter Body Shape:...
      Baffled tube reduces sound levels by 35% without losing horsepowerHigh flow design retains maximum engine output and maximizes catalytic efficiency
      $85.15 - $88.45
    • (0 reviews)
      # 252880193
      Universal QuieCat™ Standard Resonated Catalytic Converter by Eastern®. Catalytic Series: QuieCat™ Standard. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter Body...
      Baffled tube reduces sound levels by 35% without losing horsepowerHigh flow design retains maximum engine output and maximizes catalytic efficiency
      $61.60 - $64.87
    • (0 reviews)
      # 252880236
      Universal Standard Stuffed Tube Catalytic Converter with EndCap by Eastern®. Catalytic Series: Standard. Catalytic Style: Stuffed Tube. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic....
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $49.63 - $50.60
    • (0 reviews)
      # 139371691
      Universal Catalytic Converter by Eastern®. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter Body Shape: Large Oval. Keep your exhaust emissions within specifications and...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $70.86 - $143.46
    • (0 reviews)
      # 252880088
      Universal Catalytic Converter by Eastern®. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter Body Shape: Large Round. Catalytic Converter Overall Length: 16". With 1 O2...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $69.40 - $89.96
    • (0 reviews)
      # 139371686
      Universal Catalytic Converter by Eastern®. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter Body Shape: Oval. Keep your exhaust emissions within specifications and your...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $45.48 - $108.03
    • (0 reviews)
      # 139371684
      Universal Catalytic Converter by Eastern®. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter Body Shape: Round. Keep your exhaust emissions within specifications and your...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $42.50 - $89.96
    • (0 reviews)
      # 252888782
      Universal Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Three-Way No / Air OBDII By Design US-EPA Compliant catalytic converters are efficient at the oxidation of HC’s and CO, and very efficient at...
      Manufactured from high quality materialsDesign meet needs of OBDII equipped vehicles
      $48.90 - $321.23
    • (0 reviews)
      # 142788929
      Universal Catalytic Converter by Davico®. Converter Configuration: Universal Fit. This Universal fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $72.17 - $199.50
    • (0 reviews)
      # 139371689
      Universal Bullet Cat™ Performance Catalytic Converter by Eastern®. Catalytic Series: Bullet Cat™ Performance. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without O2 Sensor Ports. Whether your...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $65.65 - $119.05
    • (0 reviews)
      # 139371690
      Universal Tru Performance™ Catalytic Converter by Eastern®. Catalytic Series: Tru Performance™. Converter Configuration: Universal Fit. Catalytic Converter Substrate Material: Ceramic. Catalytic Converter Body Shape: Large...
      Universal fitConverts harmful engine emissions to less dangerous gases and water vapor
      $87.79 - $116.23
    • (6 reviews)
      # 120105855
      Universal 200 Series Catalytic Converter by Flowmaster®. Catalytic Series: 200 Series. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Body Shape: Round. Inlet-Outlet Connection...
      Exceed all federal emission standardsStainless Steel shells
      $116.53 - $204.95
    • (5 reviews)
      # 120105826
      Universal 220 Series Catalytic Converter by Flowmaster®. Catalytic Series: 220 Series. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Body Shape: Oval. Inlet-Outlet Connection...
      Exceed all federal emission standardsStainless Steel shells
      $64.66 - $68.56
    • (5 reviews)
      # 120105830
      Universal 222 Series Catalytic Converter by Flowmaster®. Catalytic Series: 222 Series. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Body Shape: Round. Inlet-Outlet Connection...
      Exceed all federal emission standardsStainless Steel shells
      $67.12
    • (1 review)
      # 120105834
      Universal 223 Series Catalytic Converter by Flowmaster®. Catalytic Series: 223 Series. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Body Shape: Round. Inlet-Outlet Connection...
      Exceed all federal emission standardsStainless Steel shells
      $73.86
    • (1 review)
      # 120105838
      Universal 225 Series Catalytic Converter by Flowmaster®. Catalytic Series: 225 Series. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Body Shape: Oval. Inlet-Outlet Connection...
      Exceed all federal emission standardsStainless Steel shells
      $68.02 - $71.98
    • (6 reviews)
      # 120105843
      Universal 240 Series Catalytic Converter by Flowmaster®. Catalytic Series: 240 Series. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Body Shape: Oval. Inlet-Outlet Connection...
      Exceed all federal emission standardsStainless Steel shells
      $141.53 - $144.93
    • (5 reviews)
      # 120105847
      Universal 250 Series Catalytic Converter by Flowmaster®. Catalytic Series: 250 Series. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Body Shape: Oval. Inlet-Outlet Connection...
      Exceed all federal emission standardsStainless Steel shells
      $130.99 - $147.34
    • (0 reviews)
      # mpn886220
      Universal 260 Series Catalytic Converter by Flowmaster®. Catalytic Series: 260 Series. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Body Shape: Oval. Inlet-Outlet Connection...
      Exceed all federal emission standardsStainless Steel shells
      $247.74
    • (6 reviews)
      # 120105859
      Universal 282 Series OBDII Catalytic Converter by Flowmaster®. Catalytic Series: 282 Series. Catalytic Style: OBDII. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Without Air Tube. The new...
      Exceed all federal emission standardsStainless Steel shells
      $102.20 - $142.92
    • (1 review)
      # 120105876
      Universal 283 Series OBDII Catalytic Converter by Flowmaster®. Catalytic Series: 283 Series. Catalytic Style: OBDII. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Body Shape:...
      Exceed all federal emission standardsStainless Steel shells
      $103.95 - $127.74
    • (1 review)
      # 120105881
      Universal 284 Series OBDII Catalytic Converter by Flowmaster®. Catalytic Series: 284 Series. Catalytic Style: OBDII. Converter Configuration: Universal Fit. Converter Body Material: Stainless Steel. Catalytic Converter Body Shape:...
      Exceed all federal emission standardsStainless Steel shells
      $187.88




    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) / October 17, 2015
    2003 Chevy Silverado
    Was this review helpful for you? Yes
    2003 Chevy Silverado Models
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