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GMC PartsGMC Sierra 2500 HD Classic PartsCatalytic Converter

GMC Sierra 2500 HD Classic Catalytic Converter

Why you drive your Sierra 2500 HD Classic.

Select Your VehicleGMC car, truck, or SUV enthusiasts have become used to a certain level of dependability when driving their Sierra 2500 HD Classic around town. The vehicle in your driveway is head and shoulders above the rest compared to all the other vehicles these days. Anyone who operates a GMC knows that when it comes to repairing their car, truck, or SUV only the highest quality replacement parts will do. You picked your Sierra 2500 HD Classic because its reliability and trusted quality agreed with your nature; so why would you be okay with second best when it comes to great quality auto parts?

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

Reducing harmful hydrocarbons and noxious gases that come from your car or truck depends on the quality and performance of the parts you use. Your GMC Sierra 2500 HD Classic catalytic converter is likely the single most effective pollution control device on production vehicles today. Inside every catalytic converter are cells made from platinum and/or rhodium arranged in a honeycomb pattern that change the harmful emissions of your GMC Sierra 2500 HD Classic 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.

The things this company has to make it special.

Procuring new GMC parts from www.carpartsdiscount.com means you are paying the lowest prices for the most superior original and aftermarket replacement Sierra 2500 HD Classic parts on the internet. Get your Sierra 2500 HD Classic back on the road with the best replacement parts from the experts at Car Parts Discount. Make all your future car parts purchases at carpartsdiscount.com and realize incredible savings on all your upcoming repairs. Just choose your year from the list below to find the right GMC Sierra 2500 HD Classic Catalytic Converter for your 2007 model.

Info: Select your make and model in the red title bar above so we can show the parts you need.
Select Your Year
GMC Sierra 2500 HD Classic Catalytic Converter, OEM: 51109
2007 GMC Sierra 2500 HD Classic Magnaflow Catalytic Converter 51109
Add for Price, Save 26%   NEW ITEM
OEM: 51109, Item: 1411086
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right, Left

GMC Sierra 2500 HD Classic Catalytic Converter, OEM: 99109HM
2007 GMC Sierra 2500 HD Classic Magnaflow Catalytic Converter 99109HM
Add for Price, Save 26%   NEW ITEM
OEM: 99109HM, Item: 1411087
  In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right, Left

GMC Sierra 2500 HD Classic Universal Catalytic Converter, OEM: 93239Walker
2007 GMC Sierra 2500 HD Classic 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)

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

Vehicle Install Locations: Right, Left

GMC Sierra 2500 HD Classic Catalytic Converter, OEM: 51009
2007 GMC Sierra 2500 HD Classic Magnaflow Catalytic Converter 51009
Add for Price, Save 25%   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: Right

GMC Sierra 2500 HD Classic Catalytic Converter, OEM: 23781
2007 GMC Sierra 2500 HD Classic Magnaflow Catalytic Converter 23781
Add for Price, Save 21%   NEW ITEM
OEM: 23781, Item: 1300702
  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 2500 HD Classic Catalytic Converter, OEM: 49006
2007 GMC Sierra 2500 HD Classic Magnaflow Catalytic Converter 49006
Add for Price, Save 21%   NEW ITEM
OEM: 49006, Item: 1300708
  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 2500 HD Classic EPA Ultra Direct Fit Converter, OEM: 53538Walker
2007 GMC Sierra 2500 HD Classic Walker EPA Ultra Direct Fit Converter 53538
322.25, Save 39%   NEW ITEM
OEM: 53538, Item: 660609
  Only 1 left In Stock, Usually ships within 1-2 business days
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Right

GMC Sierra 2500 HD Classic EPA Ultra Direct Fit Converter, OEM: 55622Walker
2007 GMC Sierra 2500 HD Classic Walker EPA Ultra Direct Fit Converter 55622
328.65, Save 39%   NEW ITEM
OEM: 55622, Item: 559452
  Only 6 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC Sierra 2500 HD Classic Catalytic Converter, OEM: 545009
2007 GMC Sierra 2500 HD Classic Magnaflow Catalytic Converter 545009
Add for Price, Save 22%   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

GMC Sierra 2500 HD Classic Catalytic Converter, OEM: 55557Walker
2007 GMC Sierra 2500 HD Classic Walker Catalytic Converter 55557
374.35, Save 39%   NEW ITEM
OEM: 55557, Item: 358278
  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)

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

Vehicle Install Locations: Left

GMC Sierra 2500 HD Classic Catalytic Converter, OEM: 53726Walker
2007 GMC Sierra 2500 HD Classic Walker Catalytic Converter 53726
377.65, Save 39%   NEW ITEM
OEM: 53726, Item: 409641
  Only 8 left 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)

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

Vehicle Install Locations: Right

GMC Sierra 2500 HD Classic EPA Ultra Direct Fit Converter, OEM: 50566Walker
2007 GMC Sierra 2500 HD Classic 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
Select year, make, model above to verify this part fits your vehicle