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Right Catalytic Converter For 2004 GMC Sierra 2500 HD 6.0L V8 CNG OHV

MagnaFlow Part No. 51109-CD | FREE SHIPPING!!!
MuscleExhaust20
(1346)
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US $172.00
$162.00 with coupon code
as low as $29.85/mo with
Condition:
New
Compatibility:
3 available
$10.00 off with code TOPFINDS25
Ends 11 NovSee details
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Shipping:
Free Economy Shipping.
Located in: Daytona Beach, Florida, United States
Delivery:
Estimated between Fri, Nov 7 and Fri, Nov 14 to 94104
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30 days returns. Seller pays for return shipping.
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eBay item number:316495188706
Last updated on Oct 20, 2025 06:06:57 PDTView all revisionsView all revisions

Compatibility

This part is compatible with 22 vehicle(s)
YearMakeModelTrimEngineNotes
2004GMCSierra 2500 HDBase Crew Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated
2004GMCSierra 2500 HDBase Crew Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
2004GMCSierra 2500 HDBase Extended Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated
2004GMCSierra 2500 HDBase Extended Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
2004GMCSierra 2500 HDBase Standard Cab Pickup 2-Door6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated
2004GMCSierra 2500 HDBase Standard Cab Pickup 2-Door6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
2004GMCSierra 2500 HDSLE Crew Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated
2004GMCSierra 2500 HDSLE Crew Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
2004GMCSierra 2500 HDSLE Extended Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated
2004GMCSierra 2500 HDSLE Extended Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
2004GMCSierra 2500 HDSLE Standard Cab Pickup 2-Door6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated
2004GMCSierra 2500 HDSLE Standard Cab Pickup 2-Door6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
2004GMCSierra 2500 HDSLT Crew Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated
2004GMCSierra 2500 HDSLT Crew Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
2004GMCSierra 2500 HDSLT Extended Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated
2004GMCSierra 2500 HDSLT Extended Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
2004GMCSierra 2500 HDWT Crew Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated
2004GMCSierra 2500 HDWT Crew Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
2004GMCSierra 2500 HDWT Extended Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated
2004GMCSierra 2500 HDWT Extended Cab Pickup 4-Door6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
Portions of the information contained in this table have been provided by muscle_exhaust

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Materials Sourced From
United States
Manufacturer Warranty
5 Year
Brand
MagnaFlow
Manufacturer Part Number
51109-CD
Air Tube Adaptable
No
Air Tube Count
0
Body Height
3.75 IN
Body Length
9 IN
Body Material
Stainless Steel
Body Shape
Oval
Body Type
Clam-Shell
Body Width
5.5 IN
California Air Resources Board (CARB) Certified
No
CARB Executive Order Number
Not Applicable
Clamps Included
No
Finish
Stainless Steel
Hangers Included
No
Heat Shield Attached
Yes
Heat Shield Material
Aluminized Steel
Inlet Gasket Included
No
Inlet Inside Diameter
3 IN
Inlet Mounting Hardware Included
No
Inlet Orientation
Straight
Inlet Quantity
1
Outlet Gasket Included
No
Outlet Inside Diameter
3 IN
Outlet Mounting Hardware Included
No
Outlet Orientation
Straight
Outlet Quantity
1
Overall Length
13 IN
Prop 65 Y/N
No
Sensor Port Count
0
Series
OEM Grade
Substrate Material
Ceramic
Tube Material
Stainless Steel
Universal Or Specific Fit
Universal
UPC
00841380071781
Category

Item description from the seller

About this seller

MuscleExhaust20

96.6% positive feedback•9.3K items sold

Joined Dec 2020
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.7
Reasonable shipping cost
5.0
Shipping speed
4.9
Communication
4.9

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  • i***h (971)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Shipped and received quickly, item just as described, communication could be better, seller has a can do attitude, overall a flawless transaction. Thanks for making it happen.
    Front Catalytic Converter For 2012-2013 Land Rover Range Rover Evoque (#357444035627)
  • l***i (83)- Feedback left by buyer.
    Past month
    Verified purchase
    Item as described. Super fast delivery I will definitely buy from the seller again. Straight A’s all the way across the board. Thank you so very much for being there when I needed you most.
    Exhaust Muffler for 2006-2008 Dodge Ram 1500 3.7L V6 GAS SOHC (#355737645980)
  • 6***e (3233)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Item just as described, fast shipping, Great E bayer! Thanks!
    Exhaust Intermediate Pipe for 1986-1989 Volkswagen Cabriolet (#315331160799)
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