• Sierra 2500 Accessories & Parts
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GMC Sierra 2500 Catalytic Converters

Best Selling Catalytic Converters for your Sierra

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  (6)

  Catalytic Converters; Driver and Passenger Side (14-18 4.3L, 5.3L Sierra 1500)

  $664.99
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  (39)

  Magnaflow Direct-Fit Catalytic Converter; OEM Grade (16-18 4.3L, 5.3L Sierra 1500)

  $930.00
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  Flowmaster 200 Series Catalytic Converter; 2.50-inch Inlet/2.50-Inch Outlet; 49-State Legal (Universal; Some Adaptation May Be Required)

  $101.95
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  (1)

  Flowmaster 225 Series Enhanced Duty Catalytic Converter; 3-inch Inlet/3-Inch Outlet; 49-State Legal (Universal; Some Adaptation May Be Required)

  $139.99
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  (1)

  EPA Standard Catalytic Converter (99-06 Sierra 1500, Excluding 6.0L)

  $289.99
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  Flowmaster 200 Series Catalytic Converter; 3-inch Inlet/3-Inch Outlet; 49-State Legal (Universal; Some Adaptation May Be Required)

  $101.95

Recently Added Sierra;Catalytic Converters

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  (27)

  Catalytic Converter Y-Pipe (99-06 Sierra 1500)

  $249.99
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  (39)

  Magnaflow Direct-Fit Catalytic Converter; OEM Grade (14-15 4.3L, 5.3L Sierra 1500)

  $1,906.00
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  (6)

  Flowmaster Direct Fit Catalytic Converter; Federal 49-State (99-06 4.3L, 4.8L, 5.3L Sierra 1500)

  $921.95
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  (1)

  EPA Standard Catalytic Converter (99-06 Sierra 1500, Excluding 6.0L)

  $289.99
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  (9)

  Magnaflow Universal Catalytic Converter; HM Grade; 2.50-Inch (99-06 Sierra 1500)

  $178.00
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  (9)

  Magnaflow Universal Catalytic Converter; OEM Grade; 3-Inch; Rear (14-18 4.3L, 5.3L Sierra 1500)

  $238.00
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  (1)

  EPA Standard Catalytic Converter (10-13 Sierra 1500, Excluding 6.2L)

  $379.99
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  (39)

  Magnaflow Direct-Fit Catalytic Converter; California Grade CARB Compliant; Driver Side (04-06 6.0L Sierra 1500)

  $1,455.00
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  (9)

  Magnaflow Universal Catalytic Converter; California Grade CARB Compliant; 2.50-Inch; Driver or Passenger Side (04-06 V8 Sierra 1500)

  $1,045.00
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  (39)

  Magnaflow Direct-Fit Catalytic Converter; California Grade CARB Compliant; Passenger Side (04-06 6.0L Sierra 1500)

  $1,146.00
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  (9)

  Magnaflow Universal Catalytic Converter; OEM Grade; 3-Inch (11-18 6.2L Sierra 1500)

  $309.10
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  (9)

  Magnaflow Universal Catalytic Converter; OEM Grade; 2.50-Inch (11-18 V8 Sierra 1500)

  $309.10

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