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Get the Best Priced GMC Sierra 2500 HD Catalytic Converter

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GMC Sierra 2500 HD Replacement Catalytic Converter Information


Search our online catalytic converter catalog and find the lowest priced discount auto parts on the web. We sell wholesale to the public. We offer high quality new, OEM, aftermarket and remanufactured GMC Sierra 2500 HD Catalytic Converter parts. We specialize in a wide-variety of high-quality car parts and accessories for your car, truck or SUV. Call toll free to order or place your order online via our secure checkout system. Our online parts catalog uses real-time inventory, so you can be assured the parts you buy are in stock at the time of ordering. Most orders are shipped the same day. They are available for the following GMC Sierra 2500 HD years: 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 13, 12, 11, 10, 09, 08, 07, 06, 05, 04, 03, 02, 01. This part is also sometimes called GMC Sierra 2500 HD Exhaust Converters. We stock catalytic converter parts for most GMC models including Sierra 1500, Yukon, Jimmy, K1500, K1500 Suburban, Sonoma, Acadia, C1500, Yukon XL 1500, Safari, Envoy, Envoy XL, Terrain, Savana 1500, C1500 Suburban, Savana 3500, K2500, Savana 2500, Canyon, Envoy XUV, C2500, Sierra 2500, K2500 Suburban, Yukon XL 2500, S15, K3500, C3500, S15 Jimmy, G2500, G1500, Caballero, V1500, Syclone, G3500, C2500 Suburban, Sierra 3500, Sierra 1500 HD, P3500, C15 and V1500 Suburban.

We stock these Catalytic Converter brands for the GMC Sierra 2500 HD: Walker, Davico, Eastern Catalytic, Magnaflow and Bosal.


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Review Fitment Notes to Ensure Proper Fit

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(Read reviews)
Our List Price: $168.33
(9) In Stock
Product SKU: 81724
Product Note: CalCat Universal Converter -- Engine Family # 3GMXA08.1201; Legal for use in the states of California and New York.; Modifications and/or additional parts required.
Position of Product: Rear Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

*** Legal in California and New York ***
Additional Fitment Information: Catalog: B
Vehicle Engine
2003 (03) GMC Sierra 2500 HD 8.1L V8 


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(Read reviews)
Our List Price: $542.33
(2) In Stock
Product SKU: 19588
Product Note: Exact-Fit Catalytic Converter -- Illegal for installation in NY on vehicles equipped with California emission systems; Not legal for use in California
Position of Product: Center
Inventory: In Stock
Condition: New

Shipping Options:
Ground

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Catalog: B
Vehicle Body Engine
2012 (12) GMC Sierra 2500 HD Standard Cab Pickup  6.0L V8 


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(1 Reviews)
5 Stars
Walker 50566
Catalytic Converter
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Our List Price: $512.33
(6) In Stock
Product SKU: 50566
Product Note: EPA Ultra Direct Fit Converter -- Federal Emissions Models.; Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.; Additional Parts Needed: 31718, 31657
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Catalog: B
Vehicle Body Engine Wheel Base
2008 (08) GMC Sierra 2500 HD Extended Cab Pickup  6.0L V8  153.0 


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(Read reviews)
Our List Price: $366.33

Product SKU: 50423
Product Note: DIRECT FIT -- CA Emissions; Undercar Left; Legal Note: Not For Sale or Use in the state of CA & NY (vehicles with CA Emissions)
Position of Product: Left
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Eastern Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Catalog: B
Vehicle Engine
2006 (06) GMC Sierra 2500 HD 6.0L V8 


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(Read reviews)
Our List Price: $168.33
(9) In Stock
Product SKU: 81724
Product Note: CalCat Universal Converter -- Engine Family # 5GMXT06.0188; Legal for use in the states of California and New York.; Modifications and/or additional parts required.
Position of Product: Rear Left
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

*** Legal in California and New York ***
Additional Fitment Information: Catalog: B
Vehicle Engine
2005 (05) GMC Sierra 2500 HD 6.0L V8 


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(1 Reviews)
5 Stars
Walker 93239
Catalytic Converter
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Our List Price: $99.33
(4) In Stock
Product SKU: 93239
Product Note: EPA Ultra Universal Converter -- Federal Emissions Models.; Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.; Modifications and/or additional parts required.
Position of Product: Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Catalog: B
Vehicle Body Engine Wheel Base
2009 (09) GMC Sierra 2500 HD Cab & Chassis  6.0L V8  133.0 


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(Read reviews)
Our List Price: $321.33
(4) In Stock
Product SKU: 55622
Product Note: EPA Ultra Direct Fit Converter -- With 3" Outlet; Federal Emissions Models.; Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.; Additional Parts Needed: 31574
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Catalog: B
Vehicle Engine
2010 (10) GMC Sierra 2500 HD 6.0L V8 


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(Read reviews)
Our List Price: $138.16
with FREE Shipping
(4) In Stock
Product SKU: 51009
Product Note: Universal OEM GRADE Federal (Exc.CA) -- Cutting and welding required during installation
Position of Product: Right
Inventory: In Stock
Condition: New

Shipping Options:
Free Ground Shipping

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Catalog: C
Vehicle Engine
2009 (09) GMC Sierra 2500 HD 6.0L V8 


Click to Enlarge
(Read reviews)
Our List Price: $321.33
(4) In Stock
Product SKU: 55622
Product Note: EPA Ultra Direct Fit Converter -- With 3" Outlet; Federal Emissions Models.; Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.; Additional Parts Needed: 31574
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Catalog: B
Vehicle Engine
2008 (08) GMC Sierra 2500 HD 6.0L V8 


Click to Enlarge
(Read reviews)
Our List Price: $370.33
(1) In Stock
Product SKU: 55557
Product Note: EPA Ultra Direct Fit Converter -- Fits Fed. & Calif. Emissions Models.; Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.
Position of Product: Left
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Catalog: B
Vehicle Body Engine Wheel Base
2007 (07) GMC Sierra 2500 HD Cab & Chassis  6.0L V8  157.5 


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(Read reviews)
Our List Price: $244.33
(6) In Stock
Product SKU: 079-5248
Product Note: Catalytic Converter -- Direct Fit; Without Pre Converter; Not legal for sale in California. Not legal in NY for vehicles with California Emissions.
Position of Product: Left
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 25,000 Mile Bosal Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Catalog: B
Vehicle Engine Wheel Base
2006 (06) GMC Sierra 2500 HD 6.0L V8  133.0 


Click to Enlarge
(Read reviews)
Our List Price: $458.33

Product SKU: 079-5168
Product Note: Catalytic Converter -- Direct Fit; Not legal for sale in California. Not legal in NY for vehicles with California Emissions.
Condition: New

Shipping Options:
Ground

5 Year / 25,000 Mile Bosal Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Catalog: B
Vehicle Engine
2005 (05) GMC Sierra 2500 HD 6.6L V8 


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(Read reviews)
Our List Price: $302.98
(1) In Stock
Product SKU: 53538
Product Note: EPA Ultra Direct Fit Converter -- With 2 1/2" Converter Outlet; OE exhaust system is completely welded. Additional adapters and cutting the OE pipes may be required to complete installation.; Federal Emissions Models.; Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.
Position of Product: Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Catalog: H
Vehicle Engine Wheel Base
2004 (04) GMC Sierra 2500 HD 8.1L V8  133.0 


Click to Enlarge
(Read reviews)
Our List Price: $369.33

Product SKU: 53726
Product Note: EPA Ultra Direct Fit Converter -- With 3" Converter Outlet; Except Low Emission Vehicle (LEV); Federal Emissions Models.; OE exhaust system is completely welded. Additional adapters and cutting the OE pipes may be required to complete installation.; Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.
Position of Product: Right
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Catalog: B
Vehicle Engine Wheel Base
2003 (03) GMC Sierra 2500 HD 8.1L V8  133.0 


Click to Enlarge
(1 Reviews)
5 Stars
Walker 93238
Catalytic Converter
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Loading Reviews...
Our List Price: $97.33
(13) In Stock
Product SKU: 93238
Product Note: EPA Ultra Universal Converter -- 1st Design; With 2 1/2" Converter Outlet; Fits Fed. & Calif. Emissions Models.; Not legal for sale in the state of California. Not legal for use on California emission vehicles in New York. Legal for use on Federal/EPA emission vehicles in New York.; Modifications and/or additional parts required.
Position of Product: Right
Inventory: In Stock
Condition: New

Shipping Options:
Ground

5 Year / 50,000 Mile Walker Limited Warranty

{We currently do not ship this catalytic converter to California or New York}
Additional Fitment Information: Catalog: B
Vehicle Engine Wheel Base
2002 (02) GMC Sierra 2500 HD 6.0L V8  133.0 


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Some of our Customer Reviews
Very Satisfied
Reviewer: litrbox

11/24/08 10:55 AM

Very good customer service. I mis-typed the credit card number. A prompt email was sent to me explaining there was a problem with my card and to call customer service. A quick call to a very nice employee and the problem was solved. Received the part when promised. Part is on the car and working great. Highly recommended.

Order Date | 11/17/08

Very Satisfied
Reviewer: tyro_niner

6/15/09 10:33 AM

PartsGeek provided the best prices. The shipping was very fast and the products were packaged very well. I'll use PartsGeek again next time I need items for my VW Jetta. Tom in NC

Order Date | 6/7/09



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