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MagnaFlow CARB Direct-Fit Catalytic Converter 5551173 for the 2009-2012 Mercedes-Benz GL450 / GL550 }
MagnaFlow 5551173 carb direct-fit catalytic converter, front three-quarter view of the turntable spin }
MagnaFlow 5551173 carb direct-fit catalytic converter, opposite front three-quarter view of the turntable spin }
MagnaFlow 5551173 shown out of the box, photo 15 }
MagnaFlow 5551173 shown out of the box, photo 17 }
MagnaFlow 5551173 carb direct-fit catalytic converter, opposite rear three-quarter view of the turntable spin }
MagnaFlow 5551173 carb direct-fit catalytic converter, rear view of the turntable spin }
MagnaFlow 5551173 carb direct-fit catalytic converter, side view of the turntable spin }
MagnaFlow 5551173 shown out of the box, photo 33 }
MagnaFlow 5551173 carb direct-fit catalytic converter, rear three-quarter view of the turntable spin }
Brand: MagnaflowSKU / Part #: MAG5551173
Regular price
$2,221.00
Regular price
$2,221.00
Sale price
$2,221.00
Check your purchasing power Apply at checkout
Subtotal: $2,221.00
MagnaFlow CARB Converter 2009-2012 Mercedes-Benz GL450 / GL550 5551173
Subtotal: $2,221.00

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Overview

Owners of a 2009-2012 Mercedes-Benz GL450 / GL550 4.7L/5.5L registered in California, or any state that follows CARB rules, need an EO-listed converter to pass inspection. MagnaFlow 5551173 is covered by EO D-193-197 and installs at the factory mounting points. Listed applications: 2009-2012 Mercedes-Benz GL450 (Base), 2009-2012 Mercedes-Benz GL550 (Base) and 2009-2011 Mercedes-Benz ML550 (Base). Shipping weight is about 18 lb.

Features

  • CARB EO D-193-197 for 4.7L/5.5L engine families listed on the order
  • Fits 2009-2012 Mercedes-Benz GL450: Base
  • Fits 2009-2012 Mercedes-Benz GL550: Base
  • Fits 2009-2011 Mercedes-Benz ML550: Base

What is in the box

  • Gaskets and mounting hardware for installation

Specs

Part number 5551173
Type CARB Direct-Fit Catalytic Converter
Emissions California Grade, CARB EO D-193-197
Material 16-gauge 409 stainless steel
Shipping weight 18 lb

Construction

  • California Grade converter covered by CARB Executive Order D-193-197
  • Bolts in where the original sat, with no cutting or welding
  • Body and pipes in 16-gauge 409 stainless steel
  • Spun body closed with a single laser-fusion weld to resist leaks
  • Mandrel-bent inlet and outlet pipes keep factory flow
  • OE-sized 410 stainless hangers
  • 308 stainless MIG welds
  • Shape developed from 3D scans of the original part

Installation

Direct-fit and bolt-on; a capable DIYer can install it with the right tools, though professional installation is recommended.

Fitment notes

Legal in all 50 states when the vehicle's engine family appears on this converter's Executive Order. Confirm your engine family before ordering. Check the fitment table below against your vehicle, including trim and engine.

Fitment

Make Model Chassis Year Engine
Mercedes-Benz GL450 (Base) — 2009-2012 4.7L/5.5L
Mercedes-Benz GL550 (Base) — 2009-2012 4.7L/5.5L
Mercedes-Benz ML550 (Base) — 2009-2011 4.7L/5.5L
Fitment
YearMakeModel
2009–2012Mercedes-BenzGL450
2009–2012Mercedes-BenzGL550
2009–2011Mercedes-BenzML550

Not sure? Text us your VIN and we’ll confirm.

Shipping & returns

Shipping: Orders ship via UPS, FedEx or USPS, from our facility near Los Angeles or directly from the manufacturer. Rates for many items are weight-based and shown at checkout. If you need it by a certain date, text us before you order.

Returns: Unused items in brand-new condition and original packaging can be returned within 30 days of the invoice date, with a 25% restocking fee unless otherwise specified. In some cases we can offer a lower fee with the balance as store credit. Shipping charges aren't refundable in either direction unless approved by AutoTalent.

Not returnable: special-order or custom items, and anything that has been installed, modified or altered.

Cancellations: free if the item is out of stock or we miss the ETA you agreed to. Other cancellations carry a 5% processing fee to cover card fees we can't recover. Special-order items can't be cancelled.

Damaged in transit? Report it to the carrier and to us within 48 hours, keep all packaging, and don't send anything back without our written approval.

Reviews & questions

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