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GMC PartsGMC Sierra 3500 HD PartsCatalytic Converter

GMC Sierra 3500 HD Catalytic Converter

Your Sierra 3500 HD is a prized possession.

Select Your VehicleWhen your GMC Sierra 3500 HD left the factory, it was destined for a person with discerning taste who prioritizes longevity in their automobile. GMC vehicle enthusiasts have grown accustomed to a certain level of dependability when driving their Sierra 3500 HD around town. The vehicle in your driveway is head and shoulders above the rest compared to all the other cars, trucks, and SUVs in today's marketplace. It's not a regular occurrence that you find yourself in need of a replacement Catalytic Converter to fix your car or truck.

Don't go too long without fixing your Catalytic Converter... here's why.

Getting the most out of your car or truck depends on how well you maintain your engine and exhaust parts. Your GMC Sierra 3500 HD catalytic converter has been installed thanks to a federal mandate that is decades old. There are a host of precious metals, mostly platinum, in the catalytic converter that change the harmful emissions of your GMC Sierra 3500 HD from carbon monoxide and hydrocarbons to carbon dioxide and water. This process revolutionized automakers' ability to improve air quality, which is why every vehicle made today has a catalytic converter.

High quality parts, prices that won't break your bank, staff that want to please you.

Given all the hassles associated with performing maintenance on your car or truck, let www.carpartsdiscount.com be the number one store you go to make purchasing it easy. Don't let a broken Catalytic Converter bring about the demise of your car, truck, or SUV, and don't risk lowering its resale value by installing anything but the highest quality repair parts. Procuring new GMC parts from www.carpartsdiscount.com means you are paying the lowest prices for the absolute greatest original and aftermarket replacement Sierra 3500 HD parts on the internet. GMC Sierra 3500 HD Catalytic Converter parts for 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007 vehicles are available here... just click your year to find them.

Info: Select your make and model in the red title bar above so we can show the parts you need.
GMC Sierra 3500 HD Catalytic Converter, OEM: 51009
2007-2010 GMC Sierra 3500 HD Magnaflow Catalytic Converter 51009
Add for Price,   NEW ITEM
OEM: 51009, Item: 1257262
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

GMC Sierra 3500 HD Universal Catalytic Converter, OEM: 93239Walker
2007-2010 GMC Sierra 3500 HD Walker Universal Catalytic Converter 93239
93.75, Save 39%  
OEM: 93239, Item: 358371
  In Stock, Usually ships within 1 business day

Installation of this aftermarket catalytic converter is prohibited by law in California by C.A.R.B., and may also not comply with emissions regulations in other municipalities in other parts of the US and Canada. Before purchasing a new catalytic converter, consult your local regulatory agency, emissions testing facility, or mechanic for approval. Federal laws require all warranty claims be processed by the manufacturer of this emissions control device. Please contact Walker directly for.. (more)

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Vehicle Install Locations: Left, Right

GMC Sierra 3500 HD Catalytic Converter, OEM: 23781
2007 GMC Sierra 3500 HD Magnaflow Catalytic Converter 23781
Add for Price, Save 21%   NEW ITEM
OEM: 23781, Item: 1300702
  Only 4 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right

GMC Sierra 3500 HD Catalytic Converter, OEM: 49006
2007 GMC Sierra 3500 HD Magnaflow Catalytic Converter 49006
Add for Price, Save 21%   NEW ITEM
OEM: 49006, Item: 1300708
  Only 7 left In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right

GMC Sierra 3500 HD Catalytic Converter, OEM: 545009
2007-2010 GMC Sierra 3500 HD Magnaflow Catalytic Converter 545009
Add for Price, Save 20%   NEW ITEM
OEM: 545009, Item: 1411119
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Left, Right

Walker
2011-2016 GMC Sierra 3500 HD Walker Catalytic Converter 50571
398.75, Save 39%   NEW ITEM
OEM: 50571, Item: 1471323
  Only 1 left In Stock, Usually ships within 1 business day
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Walker
2012-2016 GMC Sierra 3500 HD Walker Catalytic Converter 50572
473.45, Save 39%   NEW ITEM
OEM: 50572, Item: 1471324
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 HD EPA Ultra Direct Fit Converter, OEM: 50566Walker
2007-2010 GMC Sierra 3500 HD Walker EPA Ultra Direct Fit Converter 50566
506.95, Save 39%   NEW ITEM
OEM: 50566, Item: 559389
  In Stock, Usually ships within 1 business day
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GMC Sierra 3500 HD Catalytic Converter and Pipe Assembly, OEM: GM20206DEC
2007-2009 GMC Sierra 3500 HD DEC Catalytic Converter and Pipe Assembly GM20206
540.65, Save 39%   NEW ITEM
OEM: GM20206, Item: 1307117
  Only 1 left In Stock, Usually ships within 1 business day
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GMC Sierra 3500 HD Catalytic Converter, OEM: 49644
2007-2010 GMC Sierra 3500 HD Magnaflow Catalytic Converter 49644
Add for Price, Save 20%   NEW ITEM
OEM: 49644, Item: 1257243
  In Stock, Usually ships within 1-2 business days

If C.A.R.B. number is not provided, item is not California legal

Select year, make, model above to verify this part fits your vehicle

GMC Sierra 3500 HD Diesel Oxidation Catalyst, OEM: 60504
2007-2010 GMC Sierra 3500 HD Magnaflow Diesel Oxidation Catalyst 60504
Add for Price, Save 20%   NEW ITEM
OEM: 60504, Item: 1410994
  Only 4 left In Stock, Usually ships within 1-2 business days
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GMC Sierra 3500 HD Catalytic Converter, OEM: 51812
2011-2014 GMC Sierra 3500 HD Magnaflow Catalytic Converter 51812
Add for Price, Save 20%   NEW ITEM
OEM: 51812, Item: 1419575
  In Stock, Usually ships within 1-2 business days
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GMC Sierra 3500 HD Diesel Particulate Filter, OEM: 6D-18002/6D18002Cardone
2007-2008 GMC Sierra 3500 HD Cardone Diesel Particulate Filter 6D-18002
1114.85, Save 39%, Core: $ 224.80   NEW ITEM
OEM: 6D-18002, Item: 921999
  Only 2 left In Stock, Usually ships within 1 business day
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GMC Sierra 3500 HD Catalytic Converter, OEM: 83404Walker
2007 GMC Sierra 3500 HD Walker Catalytic Converter 83404
162.75, Save 39%   NEW ITEMNO STOCK
OEM: 83404, Item: 1501266
  Restock date not known
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Vehicle Install Locations: Left, Right