SKU: 99528656459

Catalytic Converter for OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow 52172

$274.95 $305.50
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Description

Catalytic Converter for OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow 52172Overview: Keep the check engine light off with MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 52172. 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 OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52172. 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. Designed to fit the 2008-2012 Mercedes-Benz GL550, 2008-2011 Mercedes-Benz ML550, and more, this direct-fit catalytic converter also interchanges with OE parts 164 490 51 36, 164 490 52 36, among others.

Note : Not For Sale in California

Interchange:

Brand  Interchange Part Number
Mercedes-Benz 164 490 09 36
Mercedes-Benz 164 490 51 36
Mercedes-Benz 164 490 52 36
Mercedes-Benz 1644900936
Mercedes-Benz 1644905136
Mercedes-Benz 1644905236
Mercedes-Benz 164 490 09 36
Mercedes-Benz 164 490 51 36
Mercedes-Benz 164 490 52 36
Mercedes-Benz 1644900936
Mercedes-Benz 1644905136
Mercedes-Benz 1644905236

Application:

Year Make Model Submodel Engine Size
2007 - 2012 Mercedes-Benz GL450 4.7L/V8
2008 - 2012 Mercedes-Benz GL550 5.5L/V8
2008 - 2011 Mercedes-Benz ML550 5.5L/V8

Specs:

Air Tube Adaptable No
Sensor Port Count 2
Overall Length (In.) 50.125
Mounting Hardware Included No
Heat Shield Attached No
Hangers Included Yes
Outlet Attachment Clamp-On
Inlet Attachment Bolt-On
Series OEM Grade
Oxygen Sensor Location Pre Converter and Midbed
Gasket Included No
Subtitle Federal / EPA Compliant
Clamp Included No
Title OEM Grade Direct-Fit
Type Direct-Fit
Main Piping Diameter (In.) 2.5
Finish Stainless Steel
Converter Quantity 1
Material Stainless Steel
Substrate Material Ceramic
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 99528656459

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4.2 ★★★★★
Based on 601 reviews
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Product Reviews
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Verified Purchase
S.landia_Librarian
Natrona Heights, US
★★★★★ 1
Issues with mounting the shelves, big time
Color: Brown, Size: 55.1"W x 10.3"D x 1.8"H, Set of 2
I bought the 55 inches floating shelves. I have an area above my linen cabinet that I wanted to utilize for storage and books in my hall. I did my measuring, figured out spacing. Marked everything off to do 3 total shelves (bought two boxes). A couple of spots screwed into a stud, and the others I had to install the plastic mount things. I had used those before so I just did the predrill then tapped them in, finished off by screwing the mount flush with the wall. I grabbed the first bracket and decide to start with a screw that had one of the inset mount things (sorry the correct term is escaping me). It never once occurred to me to check that the plastic mount and screw would not work. We’ll surprise! I tried and tried to get the screw to screw thru the mount, the mount is the rigid plastic thoe that is supposed to split when the screw goes through. Well something wasn’t engineered properly on the mounts cuz they would not thread a screw. They would not split. I even went into my garage and tried different screws I had to see if maybe it was just too big…or something. Then I started just prying it apart and could not get it to split like it’s supposed to, the tip piece broke off before the piece split. I have never had this situation before. I now have a bunch of these, that leave huge holes in my wall, where I measured out for a shelf to go. I’m not a huge DIYer so now I’m trying to figure out if I can salvage this situation but I’m afraid that if I get different mounts they will be too small for the already created holes, or they will fit the hole but because it’s screwing into dry wall, the drywall already has threads from the other mount, will it strip if the threads aren’t 100% the same. Oooooor am I going to have to patch up and paint that wall, then buy new mounts and attempt to try again….which I will now have to set the shelves at a different height so I don’t screw into the same holes I patched since I don’t trust them…..ugh. I practically want to cry. lol. So if I could give this negative stars I would! I feel stupid due to these having such great reviews by others. Comments of how easy they were to install. I will also mention that a few others mentioned the metal bracket that is mounted to the wall then the shelf slide onto is very flimsy. I could bend it side to side with my hands. The only reason I decided it would be ok is that there are a total of 8 screws in the mount, figured it would be stable enough.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 14, 2025
R
Verified Purchase
Rhonda Emmons
Lake Worth, US
★★★★★ 5
Was so easy to put up.
Love it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
E
Verified Purchase
Eric B
Dallas, US
★★★★★ 4
Decent Quality. Look Great
Color: Brown, Size: 35.7"W x 10.3"D x 1.8"H, Set of 2
These are easy to install and the shelf has a good quality look. The only thing lacking is the quality of the bracket. The arms are thin metal and I feel like it won’t hold much weight.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 4, 2025
B
Verified Purchase
Ben'neel Suhail SR
Fort Morgan, US
★★★★★ 5
Looks good.
Color: Grey, Size: 55.1"W x 10.3"D x 1.8"H, Set of 2
They look good in my den!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
W
Verified Purchase
William Brazell
Boise, US
★★★★★ 5
Great quality and easy install
Color: White, Size: 55.1"W x 10.3"D x 1.8"H, Set of 1
Great quality. Very easy install. Mounted mine above my fireplace to create a mantel. Looks like it was there from the day the apartment was built. So far it has held a good bit of weight with heavy ceramic decor and one very fat cat jumping up on it lol.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 22, 2025

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