2003 Hummer H2 6.0L Direct-Fit Catalytic Converter 4451218 Magnaflow
SKU: 15218383378

2003 Hummer H2 6.0L Direct-Fit Catalytic Converter 4451218 Magnaflow

Sale price$432.00 Regular price$480.00
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  • CAN

Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

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Description

2003 Hummer H2 6.0L Direct-Fit Catalytic Converter 4451218 MagnaflowOverview: Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct Fit Catalytic Converter 4451218. With features including free flowing mandrel bent tubing and highly corrosion resistant, stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state of the art metrology department uses the latest 3D scanning systems during research

Overview:

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4451218. With features including free-flowing mandrel-bent tubing and highly corrosion resistant, stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed specifically for the 2003 Hummer H2. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to be certified by CARB for legal use in CA/CARB restricted states for the listed vehicles.

Interchange:
Brand  Interchange Part Number

Application:

Year Make Model Submodel Engine Size
2003 Hummer H2 6L/V8

Specs:

Heat Shield Attached No
Mounting Hardware Included Yes
Overall Length (In.) 48.375
Sensor Port Count 2
Substrate Material Ceramic
Main Piping Diameter 2.5
Gasket Included Yes
Series California
Subtitle California / CARB Compliant
Title California Direct-Fit
Finish Stainless Steel
Type Direct-Fit
Converter Quantity 1
Outlet Attachment Clamp-On
Clamp Included Yes
Air Tube Adaptable No
Oxygen Sensor Location Pre and Post Converter
Material Stainless Steel
Hangers Included No
Inlet Attachment Bolt-On
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 15218383378

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Mayhem and Mood Reads
Louisville, US
★★★★★ 4
What did I just read
Format: Kindle
I’m not sure how to articulate my feelings about this book. It took me a bit to get into it, the story was interesting from the beginning but felt very slow paced to me. That changed about half way in. I don’t know what I was expecting, but that was not it! I did end up enjoying this. It was well written, funny, and shocking.
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PanamaCitySteph
New York, US
★★★★★ 5
Let's go!
Format: Hardcover
This book is a classic! We purchased for our graduating senior and had all of her former teachers and coaches sign it with a special message on the pages. Great idea for a wedding or baby shower too. The quality is great! Love Dr. Seuss!
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Kerri Campbell
Cuba, US
★★★★★ 5
A Great Graduation Gift
Format: Hardcover
This was one of my favorite books when I was a child. I've been purchasing this as a graduation gift for years. I gave it to both my daughters when they graduated high school and was happy to read that very copy we gifted our daughter to my granddaughter. The book has also helped me in some difficult times of my own life. Dr. Seuss is timeless and this makes a great gift.
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Natalie H.
West Palm Beach, US
★★★★★ 5
The Perfect Gift for a New Beginning
Format: Hardcover
Oh, the Places You'll Go! by Dr. Seuss is a timeless and encouraging read filled with humor, wisdom, and inspiration about life’s journey and all of its ups and downs. This is such a meaningful gift for a high school senior, graduate, or anyone stepping into a new chapter of life.
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Maria
Louisville, US
★★★★★ 5
I recommend using this book. Read review.
Format: Hardcover
I recommend this book. Not only because it's a Dr. Sue's book, but because at the end of the school year. I ask my son's teacher to sign it. It's a sweet memory to have and it will be a sweet memory to look at once they graduate Elementary. It's a must. The price is great. Quality... Everything about it is great. Most of all.... Reading the their teacher's have to say about them. Is so sweet!
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Reviewed in the United States on May 23, 2026

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